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Volume 45 Issue 10
Oct.  2023
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LI Yaqing, ZUO Jianing, LI Xiaolu, ZHOU Shengtao, CHU Zhujun, DU Peide, WANG Guangfan. Research on Temperature Compensation of Image Intensifier Based on Auto-gated Power Supply[J]. Infrared Technology , 2023, 45(10): 1126-1131.
Citation: LI Yaqing, ZUO Jianing, LI Xiaolu, ZHOU Shengtao, CHU Zhujun, DU Peide, WANG Guangfan. Research on Temperature Compensation of Image Intensifier Based on Auto-gated Power Supply[J]. Infrared Technology , 2023, 45(10): 1126-1131.
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Research on Temperature Compensation of Image Intensifier Based on Auto-gated Power Supply

  • North Night Vision Technology Co. Ltd., Kunming 650217, China

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  • Received Date: January 28, 2023
  • Revised Date: March 18, 2023
    Graphical Abstract
    • Abstract
  • The brightness gain and maximum output brightness of super gen Ⅱ auto-gated image intensifiers vary with temperature. Here, we analyzed the principles of temperature compensation and designed a temperature compensation scheme. The compensation coefficient was determined experimentally, and the rationality of the temperature-compensation scheme was verified using the data. The experimental results showed that the low temperature (-45℃) brightness gain can be reduced from 121% to 105% by reducing the MCP voltage by 14.7 V under low illumination conditions (input illumination is less than 5×10-4 lx), and the high temperature (55℃) brightness gain can be increased from 77% to 99% by increasing the MCP voltage by 16.5 V. Under high illumination conditions (input illumination of more than 5×10-4 lx), the maximum output brightness at low temperatures can be reduced from 114% to less than 104% by reducing the anode current setting value by 14%, and the maximum output brightness at high temperature can be increased from 87% to more than 91% by increasing the anode current setting value by 12.6%. Therefore, the temperature compensation technology described herein can effectively improve the consistency of the brightness gain and maximum output brightness of auto-gated image intensifiers under high- and low-temperature conditions.
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    • References (9)
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