Multiple interferometer
Purpose of the experiment and related subjects
Combination Michelson interferometer
Combination Mach - Zehnder interferometer
Combination Sagnac interferometer
Compare the difference among the three interferometers and measure the relationship between air pressure and the refractive index with interferometers.
Features of the instruments:
Using semiconductor laser (635nm, 3mW) as the light source.
In this experiment, a mini-optical experimental platform (600 × 400 × 50mm3) is supplied.
The chamber length is 10cm, the pressure measurement range is 0-300mmHg.
Complete set of equipment:
Small optical experimental platform, semiconductor laser, beam splitter, reflecting mirror, beam expander mirror, air chamber + pressure gages and etc..