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Conferences > LACEA > 2002 > FD > FD3

Sensitive absorption measurements based on novel cavity enhanced spectroscopy techniques

Doug Baer, Manish Gupta, Anthony O'Keefe, and Joshua Paul

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Abstract

A novel laser-based absorption diagnostic technique based on off-axis paths in high-finesse optical cavities provides high measurement sensitivities (~2×10−10 cm−1). Applications to environmental monitoring and industrial process control using near-IR semiconductor diode lasers and mid-IR quantum cascade lasers will be presented.

© 2002 Optical Society of America

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