Chinese Journal of Lasers, Volume. 36, Issue s2, 125(2009)

Refractometry Based on Multimode Optic Fiber with Large Core

Wang Kaijun1,2、*, Zhang Jianzhong1, Peng Shijun1, Gao Qili1, Sun Weimin1, Yuan Libo1, and Peng Gangding3
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  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    Refractometry based on multimode optical fiber with large core is presented. The multimode fiber (MMF) with the cladding/core radius 62.5/50 μm is connected with normal single mode fiber,which composes a single-multi-single (SMS) mode fiber structure. The structure is sensitive to the surrounding refractive index and is used as a refractometry. The demoducation system is made of the broadband amplified spontaneous emission (ASE) source and optical spectral analysis (OSA). A simple theoretical analysis of the refractometry is given and a HF corrosion method is proposed to enhance the performance of the refractometry. Experimental results prove the feasibility of the refractometry.

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    Wang Kaijun, Zhang Jianzhong, Peng Shijun, Gao Qili, Sun Weimin, Yuan Libo, Peng Gangding. Refractometry Based on Multimode Optic Fiber with Large Core[J]. Chinese Journal of Lasers, 2009, 36(s2): 125

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    Paper Information

    Category: Measurement and metrology

    Received: --

    Accepted: --

    Published Online: Dec. 30, 2009

    The Author Email: Kaijun Wang (wangkj.csfu@126.com)

    DOI:10.3788/cjl200936s2.0125

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