使用二芯光子晶体光纤的多普勒差分测速

2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533) Pub Date : 2002-05-10 DOI:10.1109/OFS.2002.1012108

W. Macpherson, J. Jones, B. Mangan, J. Knight, P. Russell

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引用次数: 1

摘要

本文描述了在多普勒差分测速仪中首次使用双芯光子晶体光纤进行条纹投影。双芯光纤芯距为17 /spl μ m /m，当两个芯同时被633 nm的光照射时，会投射出一系列条纹。从移动粒子散射的光被耦合到一个单独的多模(50/125 /spl mu/m)接收光纤中，并使用硅探测器和放大器进行检测。对测量到的反射强度信号进行频域处理，得到运动粒子的速度分量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Doppler difference velocimetry using a 2-core photonic crystal fibre

In this paper we describe the first use of a two core photonic crystal fibre for fringe projection for use in a Doppler difference velocimeter. The two-core fibre, with a core separation of 17 /spl mu/m, projects a series of fringes when both cores are illuminated with 633 nm light simultaneously. Light scattered from moving particles is coupled into a separate multi-mode (50/125 /spl mu/m) receiving fibre and detected using a silicon detector and amplifier. The measured reflection intensity signal is processed in the frequency domain to obtain the velocity component of the moving particle.

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2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533)

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