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Proceedings Paper

Large diameter step-index multimode fiber speckle reduction device based on time coherence theory
Author(s): Chunlian Lu; Hongyuan Fu; Zhongjun Huang; Weimin Sun
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Paper Abstract

A fiber speckle reduction device designed and made based on time coherence theory was introduced in this paper according to the decisive influence of mode dispersion existed in signal transmission of large diameter step-index multimode fiber. Through the contrast experinent verification under different exposure time, the device can effectively suppress speckle noise of fiber and improve signal contrast. The device introduced in this paper will have a good application prospect in the fields of laser lighting monitoring system, multimode fiber property test system, laser mapping system, ect.

Paper Details

Date Published: 30 November 2012
PDF: 6 pages
Proc. SPIE 8558, Optoelectronic Imaging and Multimedia Technology II, 85580J (30 November 2012); doi: 10.1117/12.2001262
Show Author Affiliations
Chunlian Lu, Harbin Engineering Univ. (China)
Hongyuan Fu, Harbin Engineering Univ. (China)
Zhongjun Huang, Harbin Engineering Univ. (China)
Weimin Sun, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 8558:
Optoelectronic Imaging and Multimedia Technology II
Tsutomu Shimura; Guangyu Xu; Linmi Tao; Jesse Zheng, Editor(s)

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