Study or a New Type or Optic-fiber Micro-displacement Measuring Instrument(GW-Ⅱ)

Jin Taiyi; Li Shengli; Wang Yanan; Zhao Yufei; Xu Yu

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Study or a New Type or Optic-fiber Micro-displacement Measuring Instrument(GW-Ⅱ)

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- Study or a New Type or Optic-fiber Micro-displacement Measuring Instrument(GW-Ⅱ)
- Optics and Precision Engineering Vol. 4, Issue 3, Pages: 100-105(1996)
- 作者机构：
  
  中国科学技术大学精密机械与精密仪器系, 合肥230027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 December 1995，
  
  Published Online：15 June 1996，
  
  Published：15 June 1996
- 稿件说明：
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金泰义, 李胜利, 王延安, 赵宇飞, 徐育. GW－Ⅱ型光纤测微仪的研制[J]. 光学精密工程, 1996,(3): 100-105

Jin Taiyi, Li Shengli, Wang Yanan, Zhao Yufei, Xu Yu. Study or a New Type or Optic-fiber Micro-displacement Measuring Instrument(GW-Ⅱ)[J]. Editorial Office of Optics and Precision Engineering, 1996,(3): 100-105
金泰义, 李胜利, 王延安, 赵宇飞, 徐育. GW－Ⅱ型光纤测微仪的研制[J]. 光学精密工程, 1996,(3): 100-105 DOI：

Jin Taiyi, Li Shengli, Wang Yanan, Zhao Yufei, Xu Yu. Study or a New Type or Optic-fiber Micro-displacement Measuring Instrument(GW-Ⅱ)[J]. Editorial Office of Optics and Precision Engineering, 1996,(3): 100-105 DOI：

摘要

介绍了一种新型光纤测微仪──GW-Ⅱ型光纤测微仪的研制。该仪器针对强度调制型光纤传感器抗于扰能力差

对被测面反射状况敏感、精度和稳定性不理想等亟待解决的间题。提出一种新颖的扰动补偿方法──双Y型双光路补偿。使仪器的抗干扰能力

精度和稳定性有显着提高。着重介绍以双Y光纤传感器为信号输入元件的测量系统的结构设计。补偿机理及相关的实验研究情况。

Abstract

This paper disCusses the study of a new type of optic-fiber microdisplacement measuring instrument(GW-Ⅱ ). Here it puts emphasis on an optic-fiber displacement sensor used which is compensated for variations in light-source intensity as well as for loss in the fibers.It is shown that the ratio of the output of a pair of detecting fibers is independent of the light-source intensity and loss in the fiber system. Results that confirm this are presented. It helps improve the precision and stability of the measuring instrument.

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