Fixed-frequency cavity ringdown diagnostic for atmospheric particulate matter
Optics Letters, Vol. 23, Issue 12, pp. 954-956 (1998)
http://dx.doi.org/10.1364/OL.23.000954
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Abstract
A nonresonant cavity ringdown diagnostic to measure light attenuation from atmospheric particulate matter at 532- and 355-nm wavelengths is described. The presence of atmospheric particulate is clearly detectable with this technique, as demonstrated by experimental results. The extinction cross section is higher at 355 than at 532 nm, although we were able to purchase significantly higher-reflectivity optics at 532 nm. The expected advantage at 355 nm is thus lost. This new technique is compared with a commercially available instrument, and sensitivity limitations are discussed.
© 1998 Optical Society of America
OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
Citation
A. D. Sappey, E. S. Hill, T. Settersten, and M. A. Linne, "Fixed-frequency cavity ringdown diagnostic for atmospheric particulate matter," Opt. Lett. 23, 954-956 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-12-954
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