Laser And Flash Lamp Fluorescence NO2 Monitors: A Comparison

Curtis L. Fincher; Armin W. Tucker; Milton Birnbaum

doi:10.1117/12.956826

9 November 1978 Laser And Flash Lamp Fluorescence NO₂ Monitors: A Comparison

Curtis L. Fincher, Armin W. Tucker, Milton Birnbaum

Proceedings Volume 0158, Laser Spectroscopy: Applications and Techniques; (1978) https://doi.org/10.1117/12.956826
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

Abstract

The design and performance of laser and flash lamp fluorescence NO₂ monitors are compared with respect to sensitivity, size, specificity, reliability and economy. A detectability of ppb for a one minute integration time in ambient air was achieved for both units. The sensitivity of the laser prototype can be increased to achieve 0.1 ppb detectability. A variety of tests, including use of smog chambers, has shown that our NO₂ fluorescence monitors are free of interferences; namely, they are specific for NO₂. Results obtained in monitoring ambient NO₂ levels at our location (El Segundo, California) with the prototype instruments are presented and discussed.

Citation Download Citation

Curtis L. Fincher, Armin W. Tucker, and Milton Birnbaum "Laser And Flash Lamp Fluorescence NO₂ Monitors: A Comparison", Proc. SPIE 0158, Laser Spectroscopy: Applications and Techniques, (9 November 1978); https://doi.org/10.1117/12.956826

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