Update On The Low Background IR Calibration Facility At The National Institute Of Standards And Technology (Formerly NBS)

S. C. Ebner; A. C. Parr; C. C. Hoyt

doi:10.1117/12.960735

20 September 1989 Update On The Low Background IR Calibration Facility At The National Institute Of Standards And Technology (Formerly NBS)

S. C. Ebner, A. C. Parr, C. C. Hoyt

Author Affiliations +

Proceedings Volume 1110, Imaging Infrared: Scene Simulation, Modeling, and Real Image Tracking; (1989) https://doi.org/10.1117/12.960735
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

Details will be given about the recently completed facility for the calibration of infrared sources in a low background environment. The basic components of the facility are a large (60cm diameter by 152cm long) stainless steel vacuum chamber housed in a soft-wall cleanroom. A low background environment inside the chamber is achieved by cooling internal cryoshields to temperatures less than 20K using a closed cycle helium refrigerator. Sources of up to 30cm on a side can be inserted into the chamber for calibration. Total radiant power from the blackbodies is measured with an Absolute Cryogenic Radiometer. Plans will be discussed for future enhancement of the system allowing for measurement of spectral and angular distribution of the emitted radiation and possible experiments which could utilize the full capabilities of this system.

Citation Download Citation

S. C. Ebner, A. C. Parr, and C. C. Hoyt "Update On The Low Background IR Calibration Facility At The National Institute Of Standards And Technology (Formerly NBS)", Proc. SPIE 1110, Imaging Infrared: Scene Simulation, Modeling, and Real Image Tracking, (20 September 1989); https://doi.org/10.1117/12.960735

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