DOC; Mountain Administrative Support Center; Acquisition Management Division; 325 Broadway MC3; Boulder, CO 80303-3328

66 -- FOURIER TRANSFORM INFRARED ATMOSPHERIC SPECTRO-RADIOMETER (FTIR) SOL NRMGL000901050JW DUE 081699 POC Jacqueline Wright (303) 497-5282, FAX (303) 497-3163 E-MAIL: NOAA; MASC Acquisitions Management, Brenda.S.Summers@noaa.gov. The National Oceanic and Atmospheric Administration (NOAA) Environmental Technology Laboratory (ETL) has a requirement for a Fourier transform infrared (FTIR) spectrometer system to monitor atmospheric emission. There has been a significant amount of software developed around the Bomem FTIR spectrometer. This unit will be part of a large remote sensing system that will be used in conjunction with the University of Maryland -- Baltimore County. The following features are required by the NOAA Environmental Technology Laboratory (ETL) for a Fourier transform infrared (FTIR) spectro-radiometer system. Full 4-port interferometer configured for emission spectroscopy of a distant scene, allowing real-time optical subtraction of a stable reference port radiance from the incident scene radiance. 1-wavenumber (inverse centimeter) spectral resolution. Dual-channel detector and preamplifier systems that allow simultaneous detection of radiance over a spectral band from 450 to 4500 wavenumbers (inverse centimeters). Stirling cooling of detectors to less than 90 Kelvins. Reference-port target on the second interferometer input that is thermally controlled to within plus or minus 0.1 degrees Celsius over a fifteen-minute period. The thermal control must operate over the 15 to 55 degrees C range. Radiometric optics that focus the aperture stop, rather than the distant scene, on the detector to minimize signal fluctuations caused by variations in the detector response when spatially nonuniform scenes are viewed. Software routines for performing complex-valued radiometric calibrations to convert raw emission measurements into absolute emitted radiance. Rugged mechanical interferometer configuration that allows the instrument to operate without performance degradation whether oriented horizontally or vertically. Rugged interferometer configuration that provides undegraded performance and alignment after shipping to remote field sites. The system must have the pre-designed and easily available option of changeable input optics so that the user can vary the field of view from 5 to 90 mrad without sacrificing instrument throughput. These are the minimal requirements. Any interested sources must submit a written qualification statement, including literature, referencing solicitation number NRMGL000901050JW. No RFQ is available. This announcement is being issued under the Simplified Acquisition Procedures, FAR Part 13 (NTE $100,000.00). It is the intent of the government to award on a sole source basis to Bomem, Inc., Quebec, Canada. JACQUELINE WRIGHT, Purchasing Agent. Posted 08/03/99 (D-SN362193). (0215)

Loren Data Corp. http://www.ld.com (SYN# 0393 19990805\66-0015.SOL)