13 October 2015 Test and analysis of spectral response for UV image intensifier
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Abstract
The UV image intensifier is one kind of electric vacuum imaging device based on principle of photoelectronic imaging. To achieve solar-blind detection, its spectral response characteristic is extremely desirable. A broad spectrum response measurement system is developed. This instrument uses EQ-99 laser-driven light source to get broad spectrum in the range of 200 nm to 1700 nm. A special preamplifier as well as a test software is work out. The spectral response of the image intensifier can be tested in the range of 200~1700 nm. Using this spectrum response measuring instrument, the UV image intensifiers are tested. The spectral response at the spectral range of 200 nm to 600 nm are obtained. Because of the quantum efficiency of Te-Cs photocathode used in image intens ifier above 280nm wavelength still exists, especially at 280 nm to 320nm.Therefore, high-performance UV filters is required for solar blind UV detection. Based on two sets of UV filters, the influence of solar radiation on solar blind detection is calculated and analyzed.
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Yunsheng Qian, Yunsheng Qian, Jian Liu, Jian Liu, Cheng Feng, Cheng Feng, Yang Lv, Yang Lv, Yijun Zhang, Yijun Zhang, } "Test and analysis of spectral response for UV image intensifier", Proc. SPIE 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 96480M (13 October 2015); doi: 10.1117/12.2194434; https://doi.org/10.1117/12.2194434
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