New Method of Writing Long Period Fiber Gratings Using High-Frequency CO2 Laser

Gao-Ran Guo; Ying Song; Wen-Tao Zhang; Yue Jiang; Fang Li

doi:10.1117/12.2246941

4 November 2016 New method of writing long-period fiber gratings using high-frequency CO₂ laser

Gao-Ran Guo, Ying Song, Wen-Tao Zhang, Yue Jiang, Fang Li

Proceedings Volume 10026, Real-time Photonic Measurements, Data Management, and Processing II; 100260U (2016) https://doi.org/10.1117/12.2246941
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

In the paper, the Long period fiber gratings (LPFG) were fabricated in a single-mode fiber using a high frequency CO₂ laser system with the point-to-point technique. The experimental setup consists of a CO₂ laser controlling system, a focusing system located at a motorized linear stage, a fiber alignment stage, and an optical spectrum analyzer to monitor the transmission spectrum of the LPFG. The period of the LPFG is precisely inscribed by periodically turning on/off the laser shutter while the motorized linear stage is driven to move at a constant speed. The efficiency of fiber writing process is improved.

Citation Download Citation

Gao-Ran Guo, Ying Song, Wen-Tao Zhang, Yue Jiang, and Fang Li "New method of writing long-period fiber gratings using high-frequency CO₂ laser", Proc. SPIE 10026, Real-time Photonic Measurements, Data Management, and Processing II, 100260U (4 November 2016); https://doi.org/10.1117/12.2246941

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