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Title: High spectral resolution measurements for the ARM Program

This report focuses on the design and fabrication of high spectral resolution FTIR (Fourier Transform Infrared) instrumentation for the CART sites of the Atmospheric Radiation Measurement (ARM) Program. The ultimate objective of this grant is to develop three different types of instruments, named the AERI, AERI-X, and SORT. The Atmospheric Emitted Radiance Interferometer (AERI) is the simplest. It will be available for early deployment at the first ARM site and will be deployable at several locations in the extended network to give horizontal coverage. The AERI will be an 0.5 cm{sup {minus}1} resolution instrument, which measures accurately calibrated radiance spectra for radiation studies and for remote sensing of atmospheric state variables. The AERI-X and the SORTI are higher spectral resolution instruments for obtaining the highest practical resolution for spectroscopy at the ARM central sites. The AERI-X, like the AERI will measure atmospheric emitted radiance, but with resolutions as high as 0.1 cm{sup {minus}1}. The Solar Radiance Transmission Interferometer will measure the total transmission of the atmosphere by tracking the sun through changes in atmospheric air mass. The large solar signal makes it practical for this instrument to offer the ultimate in spectral resolution, about 0.002 cm{sup {minus}1}.
Authors:
Publication Date:
OSTI Identifier:
7225686
Report Number(s):
DOE/ER/61057-2
ON: DE93002772
DOE Contract Number:
FG02-90ER61057
Resource Type:
Technical Report
Research Org:
Wisconsin Univ., Madison, WI (United States). Space Science and Engineering Center
Sponsoring Org:
DOE; USDOE, Washington, DC (United States)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 47 OTHER INSTRUMENTATION; FOURIER TRANSFORM SPECTROMETERS; DESIGN; INFRARED SPECTROMETERS; ALBEDO; ALIGNMENT; CLIMATIC CHANGE; FIELD TESTS; INTERFEROMETERS; OPTICAL FILTERS; PROGRESS REPORT; DOCUMENT TYPES; FILTERS; MEASURING INSTRUMENTS; SPECTROMETERS; TESTING 540110*; 440600 -- Optical Instrumentation-- (1990-)