Distributed Bragg reflector fiber lasers for high temperature sensor applications

Bai-Ou Guan; Yang Zhang; Hong-Jun Wang; Da Chen; Hwa-Yaw Tam

doi:10.1117/12.821242

12 January 2009 Distributed Bragg reflector fiber lasers for high temperature sensor applications

Bai-Ou Guan, Yang Zhang, Hong-Jun Wang, Da Chen, Hwa-Yaw Tam

Proceedings Volume 7133, Fifth International Symposium on Instrumentation Science and Technology; 713331 (2009) https://doi.org/10.1117/12.821242
Event: International Symposium on Instrumentation Science and Technology, 2008, Shenyang, China

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.

Citation Download Citation

Bai-Ou Guan, Yang Zhang, Hong-Jun Wang, Da Chen, and Hwa-Yaw Tam "Distributed Bragg reflector fiber lasers for high temperature sensor applications", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713331 (12 January 2009); https://doi.org/10.1117/12.821242

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