Phase-Shifted White-Light Interferometry for the Absolute Measurement of Fiber Optic Mach–Zehnder Interferometers
Journal of Lightwave Technology, Vol. 28, Issue 22, pp. 3294-3299 (2010)
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Abstract
An all-fiber 3x3 coupler based phase-shifted white-light interferometry is presented, with which the absolute optical path difference (OPD) of a Mach–Zehnder interferometer can be measured automatically. The continuous test shows that the variation is ±0.5 µm when measuring a beam length of ~10 m with an OPD of 1847 µm. The technique is successfully demonstrated to measure static measurands, including strain, temperature and weight.
© 2010 IEEE
Citation
Yi Jiang, Wenhui Ding, Pengjuan Liang, Lei Fu, and Chongwen Wang, "Phase-Shifted White-Light Interferometry for the Absolute Measurement of Fiber Optic Mach–Zehnder Interferometers," J. Lightwave Technol. 28, 3294-3299 (2010)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-28-22-3294
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