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The Michelson interferometer is the most common configuration for optical interferometry and used in Physics & Optics Lab in Educational Institutions. Michelson Interferometer can be added with parts to perform as Fabry Perot & Twyman Green Interferometers. The Michelson interferometer is an optical instrument of high precision and versatility. It generally used in investigations that involve small changes in optical path lengths. With the Michelson interferometer, one can produce circular and straight-line fringes of both monochromatic light and white light. One can use these fringes to make an accurate comparison of wavelengths, measure the refractive index of gases and transparent solids, and determine small changes in length quite precisely.
The instrument can be used as a stable mode selecting resonator element in laser cavities as well. The Michelson interferometer is perhaps the best known and most basic in a family of interferometers which includes the Fabry-Perot interferometer, the Twyman-Green interferometer and the Mach-Zehnder interferometer
The PRISM Make Michelson Interferometer is constructed on a Machined Steel Base. High precision movable-mirror with smooth fine movement of 0.6 microns facilitates fringe counting.
You can upgrade by adding few parts to work as Fabry Perot Interferometer & Twyman Green Interferometer.
Model PIM # Precision Interferometer parts
Model: MIM # Michelson Interferometer parts: P-IM-01 to 07