Linearity measurement for image-intensified CCD

Yuhuan Zhao; Liwei Zhang; Feng Yan; Yongqiang Gu; Liying Wan

doi:10.1117/12.866287

11 October 2010 Linearity measurement for image-intensified CCD

Yuhuan Zhao, Liwei Zhang, Feng Yan, Yongqiang Gu, Liying Wan

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 765637 (2010) https://doi.org/10.1117/12.866287
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

To the characteristic of the ultraviolet CCD (UV ICCD), technique of the linearity measurement of the UV ICCD camera is studied based on the theory of radiometry. Approach of linearity measurement is discussed, and a kind of measurement system of the UV ICCD has been developed based on the method of neutral density filter. It is very important that the transmittance of the filter is independent of the wavelength in the method of neutral density filter. Black metal screen mesh with different transmittance is used in our system, and calibration of the filters' transmittance in different working positions has been done. Meanwhile, to assure the uniform of the received radiation on the target of the detector at any test points, an integrating sphere is placed behind the neutral filter to balance light. The whole measurement system mainly consists of a deuterium lamp with high stabilization, the attenuation film with transmission, integrating sphere, optical guide and electro-shift platform. Auto control is realized via special software during the test. With this instrument, the linearity of the UV ICCD was measured. Experimental results show that the nonlinearity of the UV ICCD under fixed-gain is less than 2% and the uncertainty of measurement system is less than 4%.

Citation Download Citation

Yuhuan Zhao, Liwei Zhang, Feng Yan, Yongqiang Gu, and Liying Wan "Linearity measurement for image-intensified CCD", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 765637 (11 October 2010); https://doi.org/10.1117/12.866287

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