LIGHT & OPTICS
Light includes electromagnetic waves of all sizes of wavelengths, frequencies, and energies. Light particles, called photons, have properties of particles and waves, a combination that makes light very interesting. With the invention of lasers, we have gained precise control over light and revolutionized many areas of research and technology.
ADVANCED POLARIMETER
- Stand alone setup integrates the sodium lamp, power supply and polarimeter in one unit.
- Inbuilt reading magnifier to read the circular scale.
- Easy to take reading because the scale reading and triple shades are visible simultaneously.
- Polarimeter
- Half wave plate
- Optical rotation
- Optical activity
- Specific rotation
- Monochromatic light
- Concentration.
COMPUTER CONTROLLED COMPACT SPECTROMETER (FROM VERNIER, USA)
- Truly portable spectrometer.
- One-step calibration of the full spectrum through LabQuest or computer interface.
- Open cuvette holder allows for access to the sample during testing.
DIODE LASER DIFFRACTION EXPERIMENT
- Imported diffraction slide set in SK078.
- Set of 13 slides in SK173.
- Class II diode laser.
- Silicon detector.
- Diffraction.
- Uncertainty of location.
- Wave-particle.
- Fresnel diffraction.
DIODE LASER DIFFRACTION EXPERIMENT
- Imported diffraction slide set in SK078.
- Set of 13 slides in SK173.
- Class II diode laser.
- Silicon detector.
- Diffraction.
- Uncertainty of location.
- Wave-particle.
- Fresnel diffraction.
DIODE LASER KIT
- Pen type diode laser operated by two “AAA”cells.
- Power of laser <1 mw.
- Steel U-shaped bench.
- Same holder may be used for lens or diffraction slit.
- Big screen provides clear observation of fringes.
- Diffraction.
- Fresnel diffraction.
- Fraunhofer diffraction
- Interference.
- Wave-particle.
- Fringes of equal inclination.
EXPERIMENTS WITH SPECTROVIS OR SPECTROVIS PLUS
RYDBERG CONSTANT
Objectives:
- Use a spectrometer to determine the wavelengths of the emission lines in the visible spectrum of excited hydrogen gas.
- Determine the energies of the photons corresponding to each of these wavelengths.
- Use a modified version of Balmer’s equation to relate the photons’ energies to specific transitions between energy levels.
- Use your data and the values for the electron transitions to determine a value for Rydberg’s constant for hydrogen.
FARADAY EFFECT
- Experimental setup with he-ne laser as well as halogen light source.
- All electrical connections are made using safety sockets.
- Compact electromagent
- Digital Gauss Meter.
- Opto-Magneto effect
- Birefringent
- Flint Glass
- Polarization of light
- Verdet’s constant
- Electromagnetism.
FARADAY EFFECT
- Experimental setup with he-ne laser as well as halogen light source.
- All electrical connections are made using safety sockets.
- Compact electromagent
- Digital Gauss Meter.
- Opto-Magneto effect
- Birefringent
- Flint Glass
- Polarization of light
- Verdet’s constant
- Electromagnetism.
FOCAL LENGTH OF A COMBINATION OF LENSES USING NODAL SLIDE ASSEMBLY
- Multipurpose A-base modular construction.
- Lens.
- Nodal point.
- Principal axis.
- Centre of curvature.
He-Ne LASER KIT
- Imported slits.
- He-Ne laser with in-built power supply.
- Translucent screen to view the diffraction pattern.
- Hexagonal optical bench with locking arrangement.
- Diffraction.
- Fresnel diffraction.
- Fraunhofer diffraction
- Interference.
- Uncertainty of location.
- Wave-particle.
- Fringes of equal inclination.
HOLOGRAPHY & INTERFEROMETRY KIT
- Holography & interferometry.
- Covering five experiments.
- Comprehensive documents.
- Include experiment setups, principles and procedures.
- Cost effective solution.
- Interference.
- Holography.
- Holographic grating.
- Sagnac interference.
- Mach-Zender interference.
KERR EFFECT
- All electrical connections are made using safety sockets.
- Easy to setup experiment.
- Can be performed by diode laser and halogen lamp.
- Polarization of light
- Bire-fringent
- Kerr cell
- Opto-electro effect