Performance investigation of erbium-doped fiber ring laser for intra-cavity absorption gas detection

Mo Li; Jingmin Dai; Kun Liu; Gang-Ding Peng

doi:10.1117/12.915793

30 January 2012 Performance investigation of erbium-doped fiber ring laser for intra-cavity absorption gas detection

Mo Li, Jingmin Dai, Kun Liu, Gang-Ding Peng

Author Affiliations +

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 835127 (2012) https://doi.org/10.1117/12.915793
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

The performance of an erbium-doped fiber (EDF) ring laser based intra-cavity gas sensor is investigated theoretically and experimentally. A theoretical model for analyzing the effects of the EDF parameters and the system parameters on the performance of this gas sensor was established using coupled rate equations and propagation equations. We investigated a number of specific cases and suggested practical choices of their parameters. Experiments with two cavity losses were conducted to test the system sensitivity enhancement and the trend of the results matched well with the theoretical prediction. The results showed sensitivity enhancement factors ranged from 17-20 in the experimental system can be achieved.

Citation Download Citation

Mo Li, Jingmin Dai, Kun Liu, and Gang-Ding Peng "Performance investigation of erbium-doped fiber ring laser for intra-cavity absorption gas detection", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835127 (30 January 2012); https://doi.org/10.1117/12.915793

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