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Phase-Shifted White-Light Interferometry for the Absolute Measurement of Fiber Optic Mach–Zehnder Interferometers

✍ Scribed by Yi Jiang; Wenhui Ding; Pengjuan Liang; Lei Fu; Chongwen Wang

Book ID
115373370
Publisher
Optical Society of America
Year
2010
Tongue
English
Weight
322 KB
Volume
28
Category
Article
ISSN
0733-8724

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## Abstract A quadrature phase‐shifted white‐light interferometry is demonstrated to interrogate short‐cavity extrinsic Fabry–Perot interferometric (EFPI) sensors. The absolute cavity length of an EFPI can be recovered by constructing two quadrature signals using the white‐light spectrum of the EFP