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Title: Distributed Bragg reflector fiber lasers for high temperature sensor applications
Authors: Guan, BO
Zhang, Y
Wang, HJ
Chen, D
Tam, HY 
Keywords: Fiber Bragg gratings
Fiber lasers
Fiber optic sensors
High temperature sensors
Issue Date: 2009
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2009, v. 7133, 713331 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 fiber that is capable of long-term operating at 500 °C. Highly saturated Bragg gratings are directly inscribed into the active fiber by use of the two-photon absorption at 193 nm. After annealing at elevated temperature, the stabilized gratings are strong enough for laser oscillation. The laser operates in robust single mode with output power more than 1 dBm and signal-tonoise ratio better than 70 dB over the entire temperature range from room temperature to 500 °C.
Description: 5th International Symposium on Instrumentation Science and Technology, Shenyang, 15-18 September 2009
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.821242
Appears in Collections:Conference Paper

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