Large diameter step-index multimode fiber speckle reduction device based on time coherence theory

Chunlian Lu; Hongyuan Fu; Zhongjun Huang; Weimin Sun

doi:10.1117/12.2001262

30 November 2012 Large diameter step-index multimode fiber speckle reduction device based on time coherence theory

Chunlian Lu, Hongyuan Fu, Zhongjun Huang, Weimin Sun

Proceedings Volume 8558, Optoelectronic Imaging and Multimedia Technology II; 85580J (2012) https://doi.org/10.1117/12.2001262
Event: Photonics Asia, 2012, Beijing, China

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.

Citation Download Citation

Chunlian Lu, Hongyuan Fu, Zhongjun Huang, and Weimin Sun "Large diameter step-index multimode fiber speckle reduction device based on time coherence theory", Proc. SPIE 8558, Optoelectronic Imaging and Multimedia Technology II, 85580J (30 November 2012); https://doi.org/10.1117/12.2001262

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