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Title: Rotational shearing interferomater
Authors: Yeswanth, L
Keywords: Interferometer;Michelson Interferometer;Fizeau Interferogram;Path Length Equalization
Issue Date: 3-May-2013
Publisher: Indian Institute of Astrophysics
Citation: IIA Technical Report Series No. 12
Series/Report no.: IIA-TRS-1213
Abstract: A rotational shearing interferometer is a modification of the Michelson’s interferometer to obtain the spatial coherence of the light waves. It is mainly used for obtaining diffraction limited images of astronomical objects; through the turbulent atmosphere of the Earth. The fabrication of a solid rotational shearing interferometer with a fixed rotational shear of 180º is described. Also the use of the interferometer, for testing the aberrations of a telescope is described.
Description: Open Access
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Appears in Collections:Technical Reports Series

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