Temporal coherence requirement in a symmetric-path grating interferometer

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28201

Title:	Temporal coherence requirement in a symmetric-path grating interferometer
Authors:	Cheng,YS
Contributors:	光電科學研究所
Keywords:	FRINGE FORMATION;LIGHT
Date:	1997
Issue Date:	2010-06-29 19:43:43 (UTC+8)
Publisher:	中央大學
Abstract:	The depth of fringes is obtained for a polychromatic point source at an arbitrary incidence angle. The path difference, calculated by ray tracing, at the plane where the interference fringes vanish indicates that the temporal coherence length is the same as that in other interferometers. It is also found that the equivalent path difference, introduced by relative phase modulation on two interfering rays by two gratings, is as important as the actual path-length difference but in the opposite sign. (C) 1997 Optical Society of America
Relation:	APPLIED OPTICS
Appears in Collections:	[Graduate Institute of Optics and Photonics] journal & Dissertation

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