ID Code: M3-41
Purpose: Class view of Fabrey-Perot interferometer fringes.
Description: The Fabrey-Perot interferometer etalon is mounted on the Michelson interferometer base and illuminated by a laser beam expanded with a 40x beam expander mounted on the laser. The interference pattern can be viewed directly for class display with a TV camera with zoom lens: set focus at infinity, adjust f-stop for desire brightness, and zoom to desired size.
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