Absolute response calibration of a transfer standard cryogenic bolometer

George P. Eppeldauer; Alan L. Migdall; Thomas R. Gentile; Christopher L. Cromer

doi:10.1117/12.221416

26 September 1995 Absolute response calibration of a transfer standard cryogenic bolometer

George P. Eppeldauer, Alan L. Migdall, Thomas R. Gentile, Christopher L. Cromer

Proceedings Volume 2550, Photodetectors and Power Meters II; (1995) https://doi.org/10.1117/12.221416
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

A cryogenic bolometer has been developed for use as a transfer standard in an ambient temperature infrared detector response comparator facility at the National Institute of Standards and Technology (NIST). Issues affecting calibration of the bolometer response were studied and a calibration procedure was developed. These issues included frequency dependence, stability, repeatability, and spectral flatness. The relative spectral response was determined from the reflectance of the bolometer absorber and the transmittance of the bolometer window. The bolometer calibration has been tied to the NIST primary standard high accuracy cryogenic radiometer using a silicon trap detector and a pyroelectric detector.

Citation Download Citation

George P. Eppeldauer, Alan L. Migdall, Thomas R. Gentile, and Christopher L. Cromer "Absolute response calibration of a transfer standard cryogenic bolometer", Proc. SPIE 2550, Photodetectors and Power Meters II, (26 September 1995); https://doi.org/10.1117/12.221416

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