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Principle
Monochromatic light impinges on a micaplate, perpendicularly to its opticalaxis. If the thickness of the plate is adequate (l/4 plate), a phase shift of 90° occurs between the ordinary and the extraordinary beam when the latter leaves the crystal. The polarisati ...
In the Michelson arrangement interference will occur by the use of 2 mirrors. The wavelength is determined by displacing one mirror using the micrometerscrew.
Tasks
Determination of the wavelength of the light of th ...
In a Michelson interferometer, a lightbeam is split into two partial beams by a semi transparent glass plate (amplitude splitting). These beams are reflected by two mirrors and brought to interference after they passed through the glass plate a second time.
Light is caused to interfere by means of a beam splitter and two mirrors according to Michelson's set up. Substituting the air in a measurement cuvette located in one of the interferometer arms by CO2 gas allows to determine the index of re ...
A Mach-Zehnder-interferometer is illuminated with a laser beam. Circular interference fringes appear on the screens behind the interferometer. If polarization filters with opposite polarization planes are placed in the two interferometer paths the int ...
With the aid of two mirrors in a Michelson arrangement, light is brought to interference. While moving one of the mirrors, the alterationin the interference pattern is observed and the wave length of the laser light determined.
Tasks ...
With the aid of two mirrors in a Michelson arrangement, light isbrought to interference. While moving one of the mirrors, the alterationin the interference pattern is observed and the modulatione frequencyis measured using the Doppler effect.
Light is brought to interference by two mirrors and two beam splitters in the Mach-Zehnder arrangement. By changing the pressure in a measuring cell located in the beam path, one can deduce the refraction index of air.
Two mirrors are assembled to form a Fabry-Perot interferometer. Using them, the multibeam interference of a laser's light beam is investigated. By moving one of the mirrors, the change in the interference pattern is studied and the wavelength of the laser's light de ...
Two mirrors are assembled to form aFabry-Pert Interferometer. Usingthem, the multibeam interference ofa laser's light beam is investigated.On moving one of the mirrors, thechange in the intensity distributionof the interfeence pattern is studied. This ...
The coherent monochromatic light of a laser is directed to a diaphragm with a varying number of slits. The resulting interference patterns are studied using a photoelement.
Babinet's Principle states that thediffraction pattern for an aperture isthe same as the pattern for anopaque object of the same shape illuminated in the same manner. Thatis the pattern produced by a diffracting opening of arbitrary shape is thesame a ...
The luminous intensity emitted by a punctual source is determined as a function of distance.
Monochromatic light falls on a mica plate perpendicular to its optic axis. At the appropriate plate thickness (lambda/4, or quarter-wave plate) there is a 90° phase shift between the ordinary and the extraordinary ray when the light emerges from the crystal. The ...
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