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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/18193

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18193

Title:	A Novel Algorithm for High Sensitivity in Measuring Surface Variation Based on Volume Holography
Authors:	Sun, Ching-Cherng;Hsu, Chih-Yuan;Su, Wei-Chia;Yuh Ouyang;Chang, Jenq-Yang
Contributors:	光電科技研究所
Keywords:	Volume holography;Photorefractive effect;Spatial filter;Holography storage
Date:	2002-08
Issue Date:	2014-04-01T03:56:33Z
Publisher:	Wiley Periodicals, Inc.
Abstract:	A novel design for the precise measurement of surface variation based on volume holography is proposed. The volume hologram is a spatial filter, which records the index grating corresponding to the interference fringes by a plane wave and a divergent spherical wave. In the measuring process, a point source attached to a probe is used to read the hologram. A precise measurement can be achieved because the horizontal displacement of the point source is very sensitive to the hologram. This sensitivity is higher than that of a holographic confocal microscopy based on the longitudinal displacement.
Relation:	Microwave and Optical Technology Letters, 34(4): 319-321
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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