Synthetic performance evaluation system of infrared hybrid optical system

Feng-wen Mi; Guo-guang Yang; Yi-bing Shen

doi:10.1117/12.676655

23 February 2006 Synthetic performance evaluation system of infrared hybrid optical system

Feng-wen Mi, Guo-guang Yang, Yi-bing Shen

Proceedings Volume 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 61504L (2006) https://doi.org/10.1117/12.676655
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China

Abstract

In this paper, a synthetic performance evaluation system for infrared hybrid optical system is introduced, which contains blackbody lamp-house, collimator, exactitude three-dimensional moving device, integrating cavity, infrared detector and signal collecting and processing system. Performance test theories and methods of the system are presented in details. Knife-edge scanning is used for measuring point spread function (PSF) and optical transfer function (OTF), and equivalent lens substitution method is utilized to measure diffraction efficiency. The temperature stability of the system is researched by measuring its focus under different temperatures. The diffraction efficiency, PSF and OTF of a 3~5μm-wavelength infrared hybrid optical system are measured and compared to the results obtained from foreign OTF measuring instruments. The testing results show that the synthetic performance evaluation system of infrared hybrid optical system can not only precisely measured PSF and OTF, the traditional optical performance; but also complete testing of other performance, such as the diffraction efficiency and temperature stability.

Citation Download Citation

Feng-wen Mi, Guo-guang Yang, and Yi-bing Shen "Synthetic performance evaluation system of infrared hybrid optical system", Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61504L (23 February 2006); https://doi.org/10.1117/12.676655

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KEYWORDS

Diffraction

Infrared radiation

Hybrid optics

Infrared imaging

Signal detection

Optical transfer functions

Point spread functions

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