Low-temperature blackbodies and facility for calibration of them

Svetlana P. Morozova; Pavel A. Morozov; Victor I. Sapritsky; Boris E. Lisiansky; N. L. Dovgilov; Yanxi Liang; Yanmei Li; Wenlong Yue

doi:10.1117/12.465976

20 September 2002 Low-temperature blackbodies and facility for calibration of them

Svetlana P. Morozova, Pavel A. Morozov, Victor I. Sapritsky, Boris E. Lisiansky, N. L. Dovgilov, Yanxi Liang, Yanmei Li, Wenlong Yue

Author Affiliations +

Proceedings Volume 4927, Optical Design and Testing; (2002) https://doi.org/10.1117/12.465976
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The calibration of IR sensors, thermal imagers, instrumentation for remote earth sensing, signature recognition, and low background spacebome radiom-eters requires development of low- and near-ambient-temperature reference standard sources capable of operating in vacuum at low or medium background conditions. The paper contains the characteristics of blackbodies (BB), developed at the All-Russian Research Institute for Optical and Physical Measurements (VNIIOFI). A novel Medium Background Facility (MBF) intended for calibrating IR sources has been developed at VNIIOFI. The MBF used for the calibration under vacuum conditions (10^-3Pa) and medium background temperatures includes a Ga Fixed-Point Blackbody (29.76 °C), Variable Temperature Blackbody (-60 °C ~ +80 °C) and Filter Radiometer. A brief description of the operating principles and specifications of the MBF is presented. The results of a comparison of the Variable Temperature Blackbody and Ga Fixed Point Blackbody in the Medium Background Facility are given. The measurement uncertainties radiance temperature associated with spectral bandwidth are discussed.

Citation Download Citation

Svetlana P. Morozova, Pavel A. Morozov, Victor I. Sapritsky, Boris E. Lisiansky, N. L. Dovgilov, Yanxi Liang, Yanmei Li, and Wenlong Yue "Low-temperature blackbodies and facility for calibration of them", Proc. SPIE 4927, Optical Design and Testing, (20 September 2002); https://doi.org/10.1117/12.465976

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