Proceedings PaperVersatile Interferometer For Shop Use
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The Shack interferometer described i this paper is an unequal-path instrument which has demonstrated its utility in an optical shop environment. Its light weight and compact size make it a favored test instrument. In its standard configuration it is used in a variety of optical shop tests. ty the addition of a knife blade or wire, the instrument is converted to a monochromatic Foucault or wire tester thereby increasing its versatility. Its simplicity and low cost allow it to be readily built into special purpose test fixtures.