Principle:
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 the used laser.
W ...
Principle
A Mach-Zehnder interferometer is lit by a diverged laser beam. Ring-shaped interference patterns then appear on the screen behind the interferometer. If polarisation filters with perpendicular alignments are placed in the two arms of the interferometer, the interfer ...
Small particles in a current pass through the LDA measuring volume and scatter the light whose frequency is shifted by the Doppler effect due to the particle movement. The frequency change of the scattered light is detected and converted into a particle or flow velo ...
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