In this paper, we present a theoretical approach to optimize the design of a fiber optic hydrophone based on a flat diaphragm and multilayer fiber coils. In this theoretical analysis, both the radial and tangential strain induced fiber length changes are taken into account. The result shows that the
Fiber Laser Hydrophone Based on Double Diaphragms: Theory and Experiment
β Scribed by Wentao Zhang; Yuliang Liu; Fang Li; Hao Xiao
- Book ID
- 115372596
- Publisher
- Optical Society of America
- Year
- 2008
- Tongue
- English
- Weight
- 708 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0733-8724
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We have realized a set of multimode lasers based on a double-clad Yb-doped fiber and Bragg gratings written on a graded-index multimode fiber. Efficient laser operation in the spectral range of 1.03-1.09 ΞΌm has been observed. Spectral characteristics of the laser emission have been investigated.
## Abstract In this study, a continuously tunable Erβdoped fiber laser based on a doubleβclad Er^3+^/Yb^3+^ coβdoped fiber amplifier is demonstrated. By using the nonlinear polarization rotation technique, the tunable laser operating can be an allβfiber structure and have tuning range, power variat