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1. 88 E mail info esli com dz Site web www esli com dz A47 Physique Fondamentale Optique SPECTROMETER Emission Spectrometer Uses Ocean Optics Red Tide Spectrometer In this Spectrometer System the Xplorer GLX controls the Ocean Optics Red Tide Spectrometer which detects the spectrum through a fiber optics cable using a 2048 pixel CCD linear array The Xplorer GLX can display 2048 wavelengths in less than 1 second as intensity absorbance transmittance or relative irradiance Specifications Light fom 2 Hydrogen tule i Range VIS NIR 380 950 nm sald sing dhe ite ats a bable connected to Me Oia Resolution 1 nm ptits Soarramatar Thy Signal to Noise 250 1 at full signal RMS patometa digne io th g g UGB port on the Molier AX Dark Noise 2 5 to 4 Includes Ocean Optics Red Tide Spectrometer Fiber Optics Cable USB Cable License key for Ocean Optics GLX feature set Required Xplorer GLX Absorption Spectrometer Full scan spectroscopy without a computer The Ocean Optics Red Tide Spectrometer offers 1 nm Resolution over the range of 350 1000nm Full scan spectral data can be viewed in real time on the Xplorer GLX with the integrated light source and cuvette holder Choose single wavelengths for Beer s Law studies or scan a single wavelength versus time for kinetic studies The Ocean Optics Red Tide and the Xplorer GLX with Light Source and Cuvette are a perfect fit for chemistry labs or field studies I
2. H 1014 Hz Curent Calibration Switch Current Calibration Voltage Adjust e Onde de Lumi re model par rapport e Model D Onde De Lumiere En Fonction au mod le quantum de la lumi re Du Modele De Quantum De Lumiere e Relation entre l nergie longueur e La Relation Entre L Energie Longueur d onde et la frequence D onde Et Frequence The Photoelectric Effect Experiments allows students to directly observe the emission of electrons in a photoelectric tube The experiment gives students the opportunity to juxtapose the wave model of light with the quantum model of light Photons from a monochromatic light source strike the cathode in an evacuated tube causing it to emit electrons The kinetic energy Ek of each electron is equal to the energy deposited by each photon hv minus the work function binding energy of the cathode Wo Some of the emitted electrons strike the anode causing it to become negatively charged with respect to the cathode When the anode potential becomes sufficiently large the photoelectrons have insufficient energy to overcome the potential difference Therefore no more electrons reach the anode and the anode potential stabilizes DataStudio can be used to plot stopping potential vs frequency of the incident light The slope of the graph is equal to h e and the vertical intercept is Wo e Advantage PASCO s h e experiment features a photoelectric head designed to minimize secondary emissions from the an
3. angle between the 2 polarization axes Laser light peak wavelength 650 nm is passed through 2 polarizers As the second polarizer the analyzer is rotated by hand the relative light intensity is recorded as a function of the angle between the axes of polarization of the 2 polarizers The angle is obtained using a Rotary Motion Sensor coupled to the polarizer with a drive belt The plot of light intensity versus angle can be fitted to the square of the cosine of the angle Advantage Laser light is used in this experiment because its wavelength is more completely extinguished by the crossed polarizers Experiment Includes Polarization Analyzer Scientific workshop 500 interface Basic Optics System Ports 2 Digital 3 Analog Aperture Bracket Connection Serial also USB compatible with Diode Laser USB Serial Converter Light Sensor Data logging Collect up to 17 000 Analog force Rotary Motion Sensor voltage etc data points or 7 000 Motion Sensor data Polarization of Light Experiment Manual points DataStudio File for Polarization of Light Experiment Portable Built in battery compartment ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique INTERFERENCE ET DIFFRACTION DE LA LUMIERE Interference and Diffraction of light M Single SbtiDoube Sit a 0 04 mem al O95 rom eala El S al amp le i A Fit Bl A E amp Das x 4 SIMGL
4. e Smooth Mirror Movement With the taut band suspension system there s no starting or stopping friction and virtually no backlash less than 0 5 micron e Precise Measurements Mirror control is extremely fine one micron per division of the micrometer head The mirrors and beam splitter are flat to 1 4 wavelength to ensure uniform interference patterns e Larger Optics The 3 2 cm 1 1 4 diameter optics in the PASCO Interferometer produce larger and sharper interference patterns for better experimental results e Complete The Basic Interferometer includes everything necessary to perform basic Michelson and Fabry Perot interferometry The Refractive Index of Air slow ev the refractive index on the air density ac uation of the gas cell shows the dependence of ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 3 Physique Fondamentale Optique SPECTROMETRE 9268 Spectrometer Custom Prism Grating Table Collimator Threaded holas and angraved refar High quality large aperture optics with a 6 mm ance lines for accurate component long slit of adjustable width The collimator can ba placement independently focused levelad and aligned Telescope High quality large aperture optics plus a 15x Ramsden eyepiece with a crosshair graticula Tha telescope can be independently focused and aligned Precision Ground Bearings Tha main bearings are ground as a sin
5. 40110 sur un tableau magn tique U10030 ou U10031 Recouverts d un film magn tique ou dot s d un support aimant tous les composants peuvent tre plac s et tourn s facilement sur le tableau magn tique Cet quipement permet de r aliser de nombreuses exp riences de d monstration en optique de faisceau sans occultation de la salle Des annotations crites la main sont galement possibles ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz ig 20 Physique Fondamentale Optique TELECOMMUNICATION PAR FIBRE OPTIQUES Th mes des exp riences Fibres optiques et t l communications par fibres optiques Angle d ouverture et optimisation du couplage dans un c ble fibre optique Absorption influence de la longueur de transmission Pertes par couplage et d couplage Diffraction par un r seau optique et multiplexage optique Filtres dichro ques et d multiplexage optique Composition spectrale de sources lumineuses D composition spectrale et recombinaison Filtres color s et filtres d interf rence Adaptation et conformation de signaux Bande passante et fr quence de seuil Calcul de la bande passante th orique Diaphonie optique Syst me d exp rience complet permettant l examen quantitatif de la transmission optique d un signal et du multiplexage et d multiplexage optiques Ce syst me comporte une table magn tique surface inscriptible et quadrillage pr trac gara
6. E A In this experiment light is partially polarized when reflected off a non conducting surface and Brewster s angle is measured Light from a diode laser is reflected off the flat side of an acrylic semi circular lens The reflected light passes through a polarizer and is detected by a Light Sensor The angle of reflection is measured by a Rotary Motion Sensor mounted on the Spectrophotometer table The intensity of the reflected polarized light versus reflected angle is graphed to determine the angle at which the light intensity is a minimum This is Brewster s Angle which is used to calculate the index of refraction of acrylic Advantage The angle and the relative light intensity are measured by computer increasing the experiments precision ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 12 Physique Fondamentale Optique VITESSE DE LA LUMIERE Speed of Light e Determine the Speed of Light in Air e Recreate Foucault s Historical Experiment e D termination De La Vitesse De La Lumiere Dans I Air e Recree l Exp rience Historique Du Foucault s Rotating Mirror The Speed of Light Experiment uses laser light and a high speed rotating mirror to determine this fundamental constant using the Foucault method Laser light passes through a series of lenses to produce an image of the light source at a measured position The light is then directed to a rotating mirr
7. E ELIT DOWELE SLIT DIF FRAC TOM INTERFERENCE ENYELOPE Fat FRINGES e Two Slit Interference e Single Slit Diffraction e Multiple Slit Minor Maxima e Slit Versus Line Diffraction il Interference Par Deux Fentes Diffraction Par Une Fente l Air Les Max Et Min Par Multi Fente Fente Et ligne De Diffraction Interference and diffraction patterns from laser light passing through various single slits and multiple slits are scanned and plotted in real time These patterns are then examined for similarities and differences The distances between the central maximum and the diffraction minima for a single slit are measured by scanning the laser pattern with a Light Sensor and plotting light intensity versus distance Also the distances between interference maxima for 2 or more slits are measured These measurements are compared to theoretical values Differences and similarities between interference and diffraction patterns are examined Advantage Since the Linear Translator tracks the position of the Light Sensor it is not necessary to move the Light Sensor at a constant speed The intensity versus distance graph is plotted in real time showing the connection between the intensity pattern and the actual laser pattern Adjustment of the slit size on the Light Sensor mask gives the resolution required to see detail in the interference patterns Experiment Includes 1 2 Optics Track Scientific workshop 500 int
8. Physique Fondamentale Optique Optique SYSTEME OPTIQUE D INTRODUCTION aa Introductory Optic System 70 cm Optics Bench Rotating Ray Table This tough aluminum bench has 2 built in The table mounts magnetically on the bench at a slight angle for metric scales one on each side and High Intensity Light Source bright sharp rays Measurements are easy there s a polar grid on one magnetic pads for attaching the light source The spacial ive filarnest makes brages side of the table and both a poler and a rectangular grid on the other component holders and ray optics table and diffraction lines bright and sharp Features a built in power supply and a knob for adjusting the filament position Calibrated Polerizers Two polarizers rotate through Ground Glass Lenses and Mirror 360 in 2 increments Produce sharp images and mount in recessed plastic holders for Diffraction Scale Grating and Slits The system includes a diffraction wating and a diffraction plate with 10 diffraction apertures sinale double and multiple slits plus random and ordered grays 2 Full Renge of Components includes a parallel ray lens slit mask universal mirror and other components needed for a full e Color Fitters 4 a range of optics experiments Investigate color mixing Virtual Image Locators 4 ca hs is f sae ble ae e Help locate virtual imagas and detarmine avano e der ros otween their magnificat
9. ataStudio various curves inverse distance and Inverse Square of the distance are fitted to the data to see which fits better Advantage The position of the Light Sensor is measured with a Rotary Motion Sensor eliminating the need to move the sensor at a constant rate or to pause to enter position data on the keyboard Experiment Includes Basic Optics System Scientific workshop 500 interface Aperture Bracket Ports 2 Digital 3 Analog Hooked Mass Set Connection Serial also USB compatible Thread with USB Serial Converter Light Sensor Data logging Collect up to 17 000 Analog Rotary Motion Sensor force voltage etc data points or 7 000 Dynamics Track Mount Motion Sensor data points Inverse Square Law for Light Experiment Manual Portable Built in battery compartment DataStudio File for Inverse Square Law for Light Experiment ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 9 Physique Fondamentale Optique POLARISATION DE LA LUMIERE Polarisation of Light HA Polarization Actual Data Gosine Sauaread Fit a Yo max e Malus Law of Polarization e Loi De Polarisation de Malus ti ra _ Light Intensity ChAl 100 200 400 Angular Position chi Saf deg In this experiment Malus Law of Polarization is verified by showing that the intensity of light passed through 2 polarizers depends on the square of the cosine of the
10. du courant d injection Le rayonnement laser se propage l int rieur d une transition PN et est limit par celle ci tant au niveau spatial qu nerg tique Les differences qui en r sultent par rapport aux lasers classiques resonateur feront l objet de la premi re exp rience Au cours de la derni re d cennie les pompes optiques de laser Nd YAG U14033 l aide de diodes laser se sont tablies comme une variante efficace aux syst mes pomp s par des lampes Le cristal Nd YAG est sans doute le mat riel laser le plus important pour le laser solide II est utilis dans la plupart des exp riences Les exp riences permettent d laborer les principes du processus laser Le choix de la source de pompage ad quate joue un r le essentiel pour le processus de pompage optique L efficacit est directement influenc e par le choix des transitions d absorption et d mission U14032 Des applications importantes sont couvertes par les exp riences destin es g n rer de courtes impulsions l aide d un d clenchement passif U14034 et doubler la fr quence a l aide de cristaux optiques non lin aires U14035 ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique LASER HE NE La dE ee D Educational Objectives aa STA TT e Les niveaux d Energie HeNe e Energie Levels of HeNe e Spectre d mission de HeNe
11. e Emmision Spectrum of HeNe e Gain e Gain e Longitudinale et transversale Modes e Longitudinal amp Transversal Modes e S lection de Mode et de Ligne e MOOG amp HNE cle cn e Filtre bir fringent o Birefringent Filter e Prism Littrow O e Mode Simple Etalon e Single Mode Etalon Includes e Flat rail 1000 mm reinforced with scale e Controller LTS 1500 for HeNe tube and photo diode amplifier e Laser mirror adjustment holder kinematical on carrier e Laser mirror adjustment holder kinematical on carrier e Photo detector in holder on carrier with BNC cable e Adjustment laser in holders on carriers with power supply e Birefringent filter in rotating holder on carrier platform with rotating insert e Littrow prism in adjustable holder on carrier e Single mode Etalon in adjustable holder on carrier e Set of 4 laser mirrors ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 19 Physique Fondamentale Optique LASER OPTIQUE SUR TABLEAU BLANC U17300 a lt lt E Nr a U17306 Optique sur tableau blanc Themes des exp riences e Lois sur la reflexion e Lois sur la r fraction e Reflexion totale e Angles de d viation minimum dans un prisme e Determination de la distance focale de miroirs et de lentilles e Lois sur les lentilles et aberrations optiques e Ombrages Jeu de composants optiques pour un emploi avec la lampe mono faisceau U40120 ou une lampe multifaisceaux U
12. e durability and an enhanced streamlined appearance The spectrometer table diameter 85 mm is marked with lines to assist positioning of the prism in relation to the leveling screw and it has interchangeable clamping units for prism and diffraction gratings All essential parts are interchangeable Spectral Lamp Housing Spectral Lamp Housing Spectral Lamps Ballast Transformer Optical Grating Flint Glass Prism ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 5 Physique Fondamentale Optique SPECTROGONIOMETRE DE PRECISION Pour d terminer avec pr cision les donn es optiques des prismes Peut galement servir de spectroscope pour observer et mesurer les spectres d mission et d absorption Nombreux accessoires Tube d observation Reglable en continu Oculaire r ticulaire Objectif 18 mm 160 mm Tube fente Fente sym trique de pr cision acier durci Oculaire Ouverture 18 mm focale 160 mm Prisme Flint 60 Dispersion C F 2 Longueur de base 33 mm hauteur 22mm Graduation angulaire 0 a 360 pas de 0 5 Precision de lecture du vernier 1 minute d angle Masse 7 9 kg ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique SPECTROPHOTOMETRE Con u pour e L tude quantitative des spectres d mission et d absorption e L tude quantitative des courbes de transmiss
13. ed Microwave Optics System includes WA 9314B Basic Microwave Optics System WA 9315 Microwave Accessory Package Recommended The microwave transmitter and receiver assemblies may be purchased separately Microwave Transmitter WA 9801 Microwave Receiver WA 9800 Microwave Mounting Stand two needed WA 9802 ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz 1 WA 9315 Microwave Accessory Package included in the WA 9316 Advanced System Includes a polyethylene panel for measuring Brewster s angle and a simulated crystal for Bragg diffraction experiments The crystal is a cubic lattice of 100 metal spheres ina 5 x 5 x 4 array mounted in plastic foam 2 WA 9319 Microwave Detector Probe Investigate the nodes and antinodes in standing wave patterns with this microwave probe It plugs directly into the receiver 3 WA 9318 Microwave Transmitter Modulator Modulate a microwave signal to demonstrate Microwave communication Includes a built in signal generator 0 4 to 4 KHz as well as a microphone for voice and music modulation The signal can be detected with the microwave receiver but an oscilloscope is needed to view the signal or an amplifier and speaker to hear it Required for Transmitter Modulator Audio Amplifier Open Speaker WA 9900 20 MHz Dual Trace Oscilloscope SB 9591A _ A 4 16 Physique Fondamentale Optique MODELE FONCTIONNEL DE L CEIL Blind S
14. eneral Diffraction Diffraction Par Une Fente Introduction to Optical Instruments Diffraction Generale The Projector Introduction au Instrument D optique The Magnifier Projecteur The Telescope The Magnifier The Compound Microscope Telescope Composition Du Microscope ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 1 Physique Fondamentale Optique SYSTEME OPTIQUE Demonstrations Basic System primary demonstrations Reflection e Law of Reflection e Virtual Images e Focal Lengths e Real Images Refraction e Law of Refraction e Rectangular Block e Critical Angle e Total Internal Reflection e Reversing Prism e Angle of Minimum Deviation Lenses e Focal Lengths e Virtual Images e Thick Lens Optics Carrying Case The basic system stores neatly in the included hardwood carrying case Large Acrylic Components i5 cm thick and 20 cm high Durable and aasy to use High intensity Light Sources For cloarly visible rays both inside and outside the components Adjust the sliding apertires for thin rays of light or divergent conas Basic System with Accessories additional demonstrations Advanced e Focal Lengths Double Convex and Double Concave Lens e Real Image Formation e Double Convex Lens Nearsighted Farsighted The Telescope The Microscope Spherical Aberration Dispersion Prisms and Gratings 2 Slit Int
15. ent 1 Introduction to Interferometry 2 The Index of Refraction of Air 3 The Index of Refraction of Glass Heavy Duty Base pict ls res excallant Smooth Mirror Movement Mo friction or backlash Experiences Typique 1 Introduction L interf rom trie 2 L indice De Refraction De L air 3 L indice de Refraction de Verre interferometer in Michelson moda No study of interferometry should overlook the historical importance of the Michelson interferometer Yet in the laboratory the Fabry Perot and Twyman Green interferometers can be more important tools the first for high resolution spectroscopy the second for testing and producing optical components with aberrations that can be measured in fractions of a wavelength The Interferometer is a high precision movable mirror interferometer that can be used to perform Michelson Fabry Perot and Twyman Green interferometry Mirrors are attached with thumbscrews so it s easy to set up and change configurations The Interferometer can be ordered in a variety of systems The Basic Interferometer can be operated in either the Michelson or Fabry Perot modes The Complete Interferometer Systems also contain components for the Twyman Green mode and a vacuum pump for the refractive index of air experiment The Systems Component List shows the contents of each system Features e Stable The massive 5 kg base is machined from a single block of aluminum ensuring extremely stable optics
16. erface Diode Laser Ports 2 Digital 3 Analog Slit Accessories Connection Serial also USB compatible with Light Sensor USB Serial Converter Rotary Motion Sensor Data logging Collect up to 17 000 Analog force Aperture Bracket voltage etc data points or 7 000 Motion Sensor data Linear Translator points Interference and Diffraction of Light Experiment Manual Portable Built in battery compartment ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 11 Physique Fondamentale Optique REFLECTION ET REFRACTON DE LA LUMIERE ANGLE DE BREWSTER Brewster s Angle Light Sensor _ LT a N A kaha A i Sample being roan x For reafactad beam vii studied T we Beam Splitter ia Y F Light Sensor es i AL gt i e B For calibration ji i f 7 B L a L me j Ea th Rotary Motion Sensor Collimating Slits Sn a a Read Diode Laser i ih lon af ay Sie Polarizers For intansity contiol El sa ie ATi e m Al vas irl e Polarization by Reflection 10 e Brewster s Angle js EI e Fresnel s Law of Reflection be m e Snell s Law ee e Polarisation Par R flexion me e Angles De Brewster at S e Loi De R flexion De Fresnel DE EE N ES ONS PE i T a OR PO OO E O 47 48 49 50 51 52 53 S4 55 GE 57 58 So 60 F1 EF 663 e Loi De Snell a E Anglei deg
17. erference Versatile Mounting Brackets Components can be rotated without moving the brackets Magnetic or Suction Mounting Magnetic mounting far steal backed blackboards or suction mounting for any blackboard With this unique system optics diagrams are transformed into working demonstrations All components and light sources mount right on the blackboard Instead of ray diagrams students observe the interactions of actual light rays Systems Available The Basic Blackboard Optics Systems include e Ray projector 2 Holder for projector 2 Clamping bar 13 inch 2 Clamping bar 15 inch 1 Plano convex lens 1 Plano concave lens 1 Semicircular lens 1 Rectangular block 1 Prism right angle 1 Plane mirror 2 Curved mirror double 1 Projector lamp spare 1 Cushioned storage cabinet 1 Required for Blackboard Optics AC Transformer 110V version only Or Equivalent supply providing up to 100 watts at 12 VAC ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique INTERFEROMETRE DE PRECISION Precision Interferometer e Three Modes Michelson Fabry Perot Twyman Green e Large Precision Optics e5 Kg Machined Aluminum Base Larger Optics 3 2 cm 1 1 4 e Trois Mode Michelson Fabry nae Perot Twyman Green D un e Grande Pr cision Optique e Base D aluminium de 5 Kg Typical Experim
18. gle unit so the movement is exceptionally smooth with virtually no backlash This is essential for precisa positioning Durable Construction Heavy aluminum castings provide a stable base for Dense Flint Vernier Scale delicate measurements and Glass Prism For precision measuramants ensure long term durability with folder Magnifier For reading tha Vernigr Scale e Wide Aperture Optics e Ouverture Optique Large e Precision Vernier Resolves 1 e Precision de Vernier Resolution de Minute of Arc 1Minute De L Arc e Durable and Precise e Solide et Precis Chemists use it to determine the constituents of molecules astronomers use it to determine the constituents of stars and physicists use it to investigate the structure of the atom not bad for an instrument for which few people can name the inventor David Alter with some important later enhancements by Joseph von Fraunhofer We offer a choice of 2 high quality spectrometers that allow students to perform accurate prism and grating spectrometry High quality large aperture optics produce sharp spectral images while precision machining allows for precise rotation and accurate measurement The Student Spectrometer is most popular in upper division labs where precision and durability are equally important Features e Resolution to 1 Minute of Arc The 127 mm diameter precision engraved degree plate is complemented by 2 precision engraved verniers one on each side of the ins
19. ic Lenses 62 mm 16d 120 mm 8 3d 400 mm 2 5d 1000 mm 1 0d 128 mm 7 8d cylindrical 307 mm 3 26d cylindrical Corneal Lens Focal Length in Air 140 mm 7 1d Dimensions 15 cm x 17 cm x 10 cm high Includes Molded Plastic Eyeball Plastic Lenses 2 sets of 6 Pupil Aperture Retina Screen Experiment Manual Recommended Basic Optics Light Source Human Eye Replacement Set includes lenses screen and pupil Optics Caliper set of 5 ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 17 Physique Fondamentale Optique LASER SOLIDE Th mes des exp riences Exp rience 1 Diode Laser Exp rience 2 Emission et Absorption Exp rience 3 Le Laser Nd YAG Exp rience 4 G n ration de courtes impulsions Exp rience 5 Doublage de la fr quence avec cristal KTP Corps solides physique laser Les montages suivants reproduisent les exp riences essentielles sur les principes et les applications d un laser solide pomp par diode De nos jours le laser diodes U14031 est surtout utilis dans trois champs d application en technique des communications en technique de mesure et comme source de lumi re de pompage pour le laser solide Sa longueur d onde mettrice n est pas d termin e par deux niveaux d nergie discrets mais par la r partition de l nergie des electrons en bandes d nergie Elle d pend ainsi de la temp rature et
20. ion e Faire des mesures de colorim trie et de cin tique chimique e Une analyse en temps r el du spectre complet gamme de longueur d onde entre 370 et 830mm Spectre d mission ARR ARTE SLI ME Ali di sc ey a ee eT See eae Tee ee Gal TENAN Principe La fente d entr e du spectrometre est l extr mit d une fibre optique L autre extr mit collecte la lumi re a analyser Tr s souple et directive vous allez ais ment faire en moins d une seconde tout type de spectres sur votre ordinateur L ensemble comprend e 1 spectrophotom tre e 1 module d absorption avec porte cuvette et porte diapos pour cuvettes a usage unique ainsi que filtres couleur e 1 CD du logiciel e 1 guide d onde 1 m e 1 c ble raccord PC USB e 1 cable DIN pour le raccord du module d absorption e 1 cable secteur e 100 cuvettes usage unique e 1 manuel d utilisation Principales caract ristiques Logiciel SPID HR complet compatible Windows C bles et accessoires fournis Port USB Module d absorption Plage spectrale 370 830 nm Resolution moyenne 1 nm Transmission de 0 100 r solution 0 1 Absorption de 0 2A 0 100 Disposition optique Czerny Turner D tecteur CCD 2 048 pixels Lampe halog ne au quartz 2 V 20 W Connexion lectrique par guide d onde Tension secteur 115 V 230 V 50 60 Hz Dimensions 315x175x322 mm Masse 6 6 kg ESLI Tel 021 85 60 65 Fax 021 85 58
21. ion aporiure anG ep ela eA Complete and Comprehensive System e Syst me Complet et Educatif e 22 Experiments From Basic Ray Optics e 22 exp riences De Ray Optiques De to Multiple Slit Diffraction base la Diffraction Multi Fente e Easy Setup Maqnetic Mounting e Simple Installation Typical Experiment Experiences Typiques Introduction to Ray Optics Introduction au Ray Optique The Law of Reflection Loi de Reflexion Image Formation in a Plane Mirror formation D image dans un Plan de Miroir The Law of Refraction Loi de Refraction Optical Reversibility R versibilit Optique Dispersion and Total Internal Reflection Dispersion et R flexion interne Total Converging Lens Image and Object La Relation entre Lentille Convergeant Image et Relationships Objet 8 Light and Color Lumiere et Couleur 9 Two slit Interference Interference Par deux Fentes 10 Polarization Polarisation 11 Image Formation Concave Mirrors Formation D image Miroir Concave 12 Image Formation Spherical Mirrors Formation D image Miroir Spherique 13 Image Formation Cylindrical Lenses Formation D image Lentilles Cylindrique 14 Spherical Lenses Spherical and Chromatic Lentilles Sph rique Aberration sph rique et Aberration Aperture Size Depth of Field Chromatique Dimension de l Ouverture The Diffraction Grating Profondeur de Champ Single slit Diffraction La Grille de Diffraction G
22. le if hn lt ef it would be impossible In the former case the excess energy of quantum appears as kinetic energy of the electron so that hu mn 7 e9 ss 1 Which is the famous photoelectrons equation formulated by Einstein in 1905 The energy of emitted photoelectrons can be measured by simple retarding potential techniques as is done in this experiment When a retarding potential Vo is used to measure kinetic energy of electrons Ee we have Ee mv eVp or Vo h e n g So when we plot a graph Vo as a function of n the slope of the straight line yields h and the intercept of extrapolated point n 0 can give work function ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 15 Physique Fondamentale Optique MICRO ONDES OPTIQUE Basic System WA 9314B Advanced System WA 9316 The Microwave Optics Advantage The large 3 cm wavelength makes it easy to understand and visualize Electromagnetic wave interactions Interference and diffraction slits are several centimeters wide and polarizers are slotted sheets of Stainless Steel Durable Construction Parts are made of Stainless Steel or die cast aluminum Durable Construction Parts are made of Stainless Steel or m dig cast aluminum Diffraction Sht Hardware Si ii Ethafoam Magnetic Mounting UE 7 All components mount i Styrene Pellets magnetically a Long Arm 4 iia E Gonio
23. meter Usad for rafracti on of microwaves The built in degree and Y millimater scales K F Receiver with Rotating Mounts _ 7 Mounts Minimize tabletop reflect ons Tha transmitter and racaivar F A ers rotate through a full 360 eae n sansitiwity TT nt 18 cm High Love Guan Diode Transmitter ig clear data stable low voltags source of lingarly polarized microwaves 10 5 GHz 15 mA How It Works The heart of the Microwave Optics System is the Gunn Diode Transmitter and receiver The transmitter is a low voltage source of linearly polarized microwaves 10 5 GHz 15 mW The receiver can detect and measure the intensity of the microwaves at various positions beyond the transmitter The receiver has a built in amplifier as well as a variable sensitivity scale ensuring accurate data for even the lowest intensity measurements The WA 9314B Basic Microwave Optics System includes Gunn Diode Transmitter with mounting stand Receiver with built in amplifier and mounting stand Goniometer with fixed and rotatable arms and degree scale Fixed arm assembly for interferometer experiments Component holders two standard one rotating Rotating table Reflectors two full reflectors metal two partial reflectors wood Polarizers two Diffraction slit hardware Prism Ethafoam with styrene pellets AC adapter Laboratory manual with 12 experiments The WA 9316 Advanc
24. ncludes Ocean Optics Red Tide Spectrometer License key for Ocean Optics GLX feature set Required Xplorer GLX PS 2002 Rohe soures net nou E Light Source and Cuvette Holder Lise USB Cable sum amam OTOL Heras a ee a ae laterit toate meh eas AA i C7 hee E Se 400 BERRY sso coe csi 760 eit te suo scae Scsletiore Teak Grip Specirun of Henge as seen on fe Aplorer GLX screen The Smart Coan con be ised fo Meese me 7 PENSE oF ihe DES CeteAquisttion lame A ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 8 Physique Fondamentale Optique LOI INVERSE DE LA LUMIERE Inverse Square Law For Light P Light Intensity ve Distance Ey a a al a ae Fe Eje gate x A Seale Factor J B B r Offset 0 000 Mean Squared Error 0 07T Root MSE Q XTT e The Intensity of Light Versus Distance from a Point Light Source e L Intensit De La Lumiere En Fonction Du Point De La Source Lumineuse 0 6 0 8 Positan m The dependence of the light intensity of a point light source on distance from the source is determined in this experiment The relative light intensity versus distance from a point light source is plotted As the Light Sensor is moved by hand the string attached to the Light Sensor that passes over the Rotary Motion Sensor pulley to a hanging mass causes the pulley to rotate measuring the position Using D
25. ntissant un montage optique bidimensionnel de haute pr cision Table optique Surface utilisable 600 x 480 mm Traits du quadrillage 0 45 90 135 Quadrillage trait de graduation 5cm 1 cm Poids d environ 6 kg ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web wwweslicomdz ig ag Physique Fondamentale Optique SPECTRAL TUBE POWER SUPPLY AND MOUNT DANGER x ney AU IN ea Spectral Tubes Argon Krypton Carbon Dioxide Mercury Helium Neon Hydrogen Water Vapor This system is easy to use and inexpensive with a variety of safety features that make it suitable for beginning labs Mount any of the 8 different spectral tubes into the power supply and turn it on The 26 cm long tubes are capillary thin over the middle 10 cm providing sharp bright spectra Features e Student Safety The tubes mount e from the front of the supply and snap into molded sockets that fully enclose the conductive ends e The all metal case is electrically grounded Spectral Tube Safety e Accurrent limiting transformer protects the tubes e A protective shield also helps safeguard the tubes while blocking unwanted ambient light for clear viewing e Power Requirements 115 220 VAC 50 60 Hz ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 29
26. ode which typically interfere with the measurement of Planck s constant The stopping potential is measured directly eliminating the need to control extremely small currents during the experiment Experiment Includes Complete h e System Basic Digital Multimeter Banana Plug Cord Black 5 pack Photoelectric Effect Experiment Manual ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique L EFFET PHOTOELECTRIQUE CONSTANTE DE PLANCK Experiment Planck Constant e Dependence of emission process an frequency of radiation e Critical frequency of metal e The emission of electron is strictly proportional to the intensity of the radiation e D pendance Du Process D emission Et La Frequence De Radiation e La Frequence Critique Du Metal e L Emission De L lectron Est Strictement Proportionnelle a L intensite De Radiation The experimental facts given above are among the strongest evidence that the electromagnetic field is quantified and the field consists of quanta of energy E hn where n is the frequency of the radiation and h is the Planck s constant These quanta are called photons Further it is assumed that electrons are bound inside the metal surface with an energy ef where f is called work function It then follows that if the frequency of the light is such that hu gt eg it will be possible to eject photoelectron whi
27. or which reflects the light to a fixed mirror at a known distance from the rotating mirror The laser light is reflected back through its original path and a new image is formed at a slightly different position The difference between final initial positions angular velocity of the rotating mirror and distance traveled by the light are then used to calculate the speed of light in air Advantage PASCO s Speed of Light Experiment allows students to experimentally measure the speed of light within 5 of the accepted value In addition the experiment can be performed on a desktop or in a hallway Experiment Includes Complete Speed of Light Apparatus Speed of Light Experiment Manual ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz A4 13 Physique Fondamentale Optique L EFFET PHOTOELECTRIQUE CONSTANTE DE PLANCK Photoelectric Effect Planck s constant Power Supply for Mercury Lamp Filter and Aperture Set and Currant Ampifier Mercury Lamp Photodiode aies Current Ampiitier and Ammeter LA i _ r i i EESQPESCESTP EC ERPERSE RE DE S Voltage Range Switch 2 V to 2 V for Stopping Voltage 2 V to 30 V for Photodiode Characteristics Curent Range Switch 1OBAto 0 184 AIRE Hits ns 1 4 4 on i Linear Fit ue H m Slopa stopping Yahagal Lr co 51 55 GAL 65 fo T5 AO Frequency
28. pot Simulates retina Plastic Eyeball Retina attachment paint Holds water to simulate l Three positions for near sighted the vitreous humor Crystalline Eye Lens far sighted and normal vision Interchangeable lenses ta l focus on near and far objects Additional slots for pupil and asymmetric lens k 4 e Mod le D il Classic a un prix abordable e mod le de travail de l oeil humain en 3 dimensions Features Working Model of the Human Eye Fail tis Sit Two lenses are used to form images on the retina ie EEE Change to correct vision Sealed tank holds water to simulate the vitreous humor Fixed glass lens Study the Optics of Normal Vision and Vision Correction Use the included plastic lenses to create images for normal vision far sightedness near sightedness and astigmatism Additional lenses are placed in front of the eye to correct for vision problems Fixed Corneal Lens and Interchangeable Crystalline Lens The crystalline lens is surrounded by water vitreous humor By changing the crystalline lens the eye can focus on both near and far objects Moveable Retina 3 positions to demonstrate near sightedness far sightedness and normal vision Variable Pupil Size Students can observe the change in brightness and clarity of the image as the pupil size is reduced Use with Basic Optics Size and orientation of the illuminated object can be easily measured Specifications Focal Lengths in Air of Plast
29. trument for convenient reading e Wider Aperture Optics 32 mm wide apertures on the telescope and collimator provide more light for brighter and sharper images e Rack and Pinion Focusing On both the telescope and the collimator Focusing is easier and more precise e Rotatable Table For greater flexibility in measurements Turn the table by hand for coarse adjustments Use the fine lead screw for delicate adjustments Recommended Spectral Light Sources ESLI Tel 021 85 60 65 Fax 021 85 58 88 E mail info esli com dz Site web www esli com dz Physique Fondamentale Optique SPECTROMETRE 3215 30 Spectrometer This instrument is used for quantitative light experiments where refraction and diffraction of light is investigated The instrument is provided with an easy to read vernier scale that can be read directly in tenths of a degree The spectrometer is supplied with a prism and grating holder and an adjustable prism table The collimator and telescope are fitted with 178 mm focal length 32 mm aperture acromatic objectives The telescope is fitted with a 15x Ramsden eyepiece and crosshair reticle collimator with an adjustable slit The telescope and collimator are supported rigidly and in perfect alignment The telescope and collimator mounting arrangement permits accurate leveling of the axes and squaring to the axis of rotation The support pillars for the telescope and collimator are made of solid metal blocks to provid

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