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Conferences > FBTA > 2014 > FTh4D > FTh4D.4

Performance Characteristic of Enhanced Gas Detection Based on Laser Intra-cavity Absorption

Lin Yu, Tiegen Liu, Kun Liu, Junfeng Jiang, and Tao Wang

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Abstract

The sensitivity enhancement at multiple wavelengths is investigated for fiber intra-cavity gas detection. Dynamic gain control and cascaded gas cells are used to enhance the laser absorption. The minimum detectable acetylene concentration is 9.4 ppm.

© 2014 Optical Society of America

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