1. Fiber grating sensors
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3. (3) A. Othinos and K. Kalli : “Fiber Bragg Grating”, Artech House (1999)
4. (4) Y. Shinoda, C. Katano, Y. Sakumoto, and T. Higo : “Wavelength shift Measurement of Fiber Bragg Grating for Dynamic Strain using Serrodyne modulation”, IEEJ, Vol. IM-04, No. 46 (2004) (in Japanese)
5. Effect of beat frequency on the measured phase of laser-diode heterodyne interferometry