Broadband cavity-enhanced absorption spectroscopy for trace gas detection

Dean S. Venables; Michael Staak; Albert A. Ruth

doi:10.1117/12.605111

3 June 2005 Broadband cavity-enhanced absorption spectroscopy for trace gas detection

Dean S. Venables, Michael Staak, Albert A. Ruth

Proceedings Volume 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy; (2005) https://doi.org/10.1117/12.605111
Event: OPTO-Ireland, 2005, Dublin, Ireland

Abstract

We present an overview of incoherent broadband cavity-enhanced absorption spectroscopy (BBCEAS) and discuss its relevance to monitoring atmospherically important gases. Adavantages of the method include its high sensitivity, portability, and good spatial resolution. We present the visible absorption spectra of NO₂ and NO₃ between 600 nm and 720 nm and address issues relating to spectral deconvolution and the simultaneous measurement of multiple gases. The sensitivity of our system is compared to that of other trace gas detection techniques.

Citation Download Citation

Dean S. Venables, Michael Staak, and Albert A. Ruth "Broadband cavity-enhanced absorption spectroscopy for trace gas detection", Proc. SPIE 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy, (3 June 2005); https://doi.org/10.1117/12.605111

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