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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/18216

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18216

Title:	Projected Fringe Profilometry Using a Liquid-Crystal Spatial Light Modulator to Extend the Depth Measuring Range
Authors:	Su, Wei-Hung;Hsu, Chun-Hsiang;Su, Wei-Chia;Liu, Jung-Ping
Contributors:	光電科技研究所
Date:	2011-02
Issue Date:	2014-04-01T03:56:56Z
Publisher:	Optical Society of America
Abstract:	An approach using a liquid-crystal spatial light modulator (LC-SLM) to enlarge the depth measuring range of the projected fringe profilometry is presented. This approach is especially applicable to detect dynamic objects with micro-scale sizes. Compared with a typical 2D image system, the LC-SLM provides a better performance for a 3D shape sensing system. The main advantages include (1) a much higher allowance to increase in the depth measuring range, (2) easiness to compensate perspective distortion and geometric distortion, (3) very high accuracy (in the micron-range) and (4) only one phase measurement needed for operation.
Relation:	Optics Express, 19(4): 3272-3283
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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