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17 October 2012 Synthesis of optical coherence function to sweep the 0th peak by phase modulation
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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842128 (2012) https://doi.org/10.1117/12.975280
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
We propose a method to shift whole the shape of synthesized optical coherence function along an optical path by phase modulation. We can synthesize periodical delta function type optical coherence peaks by frequency modulation of a light source to realize distributed measurement of back-scattering and/or reflections along an optical fiber by sweeping the coherence peak as measurement window. In this study, we propose and demonstrate a method to synthesize and sweep the 0th coherence peak by phase modulation with the same waveform as that for the laser frequency modulation. Basic experiments of optical reflectometry are successfully demonstrated with the proposed method.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kentaro Mori, Koji Kajiwara, Masato Kishi, Zuyuan He, and Kazuo Hotate "Synthesis of optical coherence function to sweep the 0th peak by phase modulation", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842128 (17 October 2012); https://doi.org/10.1117/12.975280
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