11 November 2008 Recent development on CO2-laser written long-period fiber gratings
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Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 713437 (2008) https://doi.org/10.1117/12.802448
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China
Abstract
The paper reviews the recent progress on CO2-laser writing of long-period fiber gratings (LPFGs) in different kinds of fibers, including conventional single-mode fiber (SMF), boron-doped SMF, polarization-maintaining fiber, photonic crystal fiber, and polarization-maintaining photonic crystal fiber. In particular, we report the writing dynamics for the understanding of the physical mechanisms involved in the writing process and show that the CO2-laser pulses can not only relax the internal stress in the fiber core but also induce a frozen-in stress in the cladding of the fiber under tension. The applications of CO2-laser written LPFGs, especially for the realization of broadband optical couplers, are also discussed.
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Yunqi Liu, Yunqi Liu, Kin Seng Chiang, Kin Seng Chiang, } "Recent development on CO2-laser written long-period fiber gratings", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 713437 (11 November 2008); doi: 10.1117/12.802448; https://doi.org/10.1117/12.802448
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