Fiber optic intra-cavity spectroscopy: combined ring-down and ICLAS architectures using fiber lasers

Kathryn Atherton; George Stewart; H. Yu; Brian Culshaw

doi:10.1117/12.417401

1 March 2001 Fiber optic intra-cavity spectroscopy: combined ring-down and ICLAS architectures using fiber lasers

Kathryn Atherton, George Stewart, H. Yu, Brian Culshaw

Proceedings Volume 4204, Fiber Optic Sensor Technology II; (2001) https://doi.org/10.1117/12.417401
Event: Environmental and Industrial Sensing, 2000, Boston, MA, United States

Abstract

This paper discusses using the multi-pass techniques of cavity ring-down and intracavity spectroscopy (ICLAS) to increase the sensitivity of optical fibre gas sensors. An experimental fibre ioop system has been built with standard optical fibre components and a micro-optic cell. An erbium amplifier is included in the fibre loop. For the cavity ring-down the amplifier allows the fibre loop to mimic the high finesse cavities used for conventional, bulk optic ring-down by compensating for the system losses. The amplifier acts as the gain medium for the intracavity set-up.

Citation Download Citation

Kathryn Atherton, George Stewart, H. Yu, and Brian Culshaw "Fiber optic intra-cavity spectroscopy: combined ring-down and ICLAS architectures using fiber lasers", Proc. SPIE 4204, Fiber Optic Sensor Technology II, (1 March 2001); https://doi.org/10.1117/12.417401

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