Cavity Attenuated Phase Shift (CAPS) Monitor Instrument Handbook
- Brookhaven National Lab. (BNL), Upton, NY (United States)
The CAPS PMex monitor is a cavity attenuated phase shift extinction instrument. It operates as an optical extinction spectrometer, using a visible-light-emitting diode (LED) as the light source, a sample cell incorporating two high-reflectivity mirrors centered at the wavelength of the LED, and a vacuum photodiode detector. Its efficacy is based on the fact that aerosols are broadband scatterers and absorbers of light.
- Research Organization:
- DOE Office of Science Atmospheric Radiation Measurement (ARM) Program (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- DOE Contract Number:
- AC05-7601830
- OSTI ID:
- 1251390
- Report Number(s):
- DOE/SC-ARM-155
- Country of Publication:
- United States
- Language:
- English
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