We present a novel spatial-domain cavity ring-down technique using frequency-shifted interferometry, by monitoring the intensity decay of a continuous-wave beam circulating in a fiber-loop cavity. It was applied to fiber bend loss measurements.
© 2011 OSA
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
F. Ye, B. Qi, and L. Qian, "Truly Continuous-Wave Spatial-Domain Cavity Ring-Down Technique Based on Frequency-Shifted Interferometry," in Advanced Photonics, OSA Technical Digest (CD) (Optical Society of America, 2011), paper SMB7.
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