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Title: High temperature resistant fiber Bragg grating lasers for sensing applications
Authors: Guan, BO
Zhang, Y
Wang, HJ
Chen, D
Tam, HY 
Keywords: Fiber Bragg gratings
Fiber lasers
Fiber optics sensors
Temperature sensors
Issue Date: 2009
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2009, v. 7503, 75037H How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We present a high-temperature-resistant distributed Bragg reflector fiber laser photowritten in Er/Yb codoped phosphosilicate fiber that is capable of long-term operation at 500 °C. Highly saturated Bragg gratings are directly inscribed into the Er/Yb fiber without hydrogen loading by using 193 nm excimer laser. After subjected to a significant decay at elevated temperature, the stabilized gratings are strong enough for laser oscillation. The laser operates in robust single longitude mode with output power more than 1 dBm and signal-to-noise ratio better than 70 dB over the entire temperature range from room temperature to 500 °C.
Description: 20th International Conference on Optical Fibre Sensors, Edinburgh, 5-9 October 2009
ISBN: 9780819478146
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.834820
Appears in Collections:Conference Paper

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