Bending characteristics analysis of novel LPFGs written by high-frequency CO<sub>2</sub> laser pulses

Yong-Chang Niu; Yun-Jiang Rao; Ai-Zi Hu; Tao Zhu; You-Ju Mao

doi:10.1117/12.580539

14 February 2005 Bending characteristics analysis of novel LPFGs written by high-frequency CO₂ laser pulses

Yong-Chang Niu, Yun-Jiang Rao, Ai-Zi Hu, Tao Zhu, You-Ju Mao

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.580539
Event: Photonics Asia, 2004, Beijing, China

Abstract

LPFGs written by high-frequency CO₂ laser pulses have great potential for use in optical fiber sensing and communication. It is of importance to study the fundamental characteristics of these novel LPFGs. In this paper, a more systematic analysis is carried out to investigate the resonant wavelength-bend sensitivity of the LPFG and its bend loss of resonant peaks based on the mode field theory. It is for the first time to our knowledge, that a method is proposed for analysis of the bend orientation-dependence of the LPFG. The simulation is in agreement with experimental results. This paper provides a more systematic analysis for the bending characteristics analysis of the LPFG written by the high-frequency CO2 laser pulses exposure method.

Citation Download Citation

Yong-Chang Niu, Yun-Jiang Rao, Ai-Zi Hu, Tao Zhu, and You-Ju Mao "Bending characteristics analysis of novel LPFGs written by high-frequency CO₂ laser pulses", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.580539

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