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23 May 2005 Fiber-optic differential displacement measurement based on three cascaded interferometers
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Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623274
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium
Abstract
A new type of white-light-interferometric (WLI) fiber optic sensor is proposed. Three cascaded interferometers enable differential measurement. Two interferometers among the three are used for sensing. The other is for processing, which converts the imbalance of optical path difference (OPD) between the two sensing interferometers into differential displacement. This unique three-cascaded WLI sensor system is described in detail with some experimental results.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seiichiro Kinugasa and Jun-ichi Yoshinaga "Fiber-optic differential displacement measurement based on three cascaded interferometers", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623274
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