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Development of methane detection system

机译:甲烷检测系统的开发

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The paper describes the design, development and examination of a prototype dual He-Ne / He-Xe laser system for gas detection using differential absorption of radiation backscattered from topographic targets. Both lasers were excited by RF discharge. For lengths of 50 cm we obtained the output power of about 10 mW. Using receiver optics with the diameter of 7 cm and thermocooled HgCdTe detector the presence of methane on the distance up to 50 m. can be measured. The new solution is under construction. To increase the range of measurement Casseigrain optics with diameter of 30 cm is being prepared. Using the special construction of gas lasers with the output power of 30 mW, the measurement distance of 200 m is expected.
机译:本文描述了原型He-Ne / He-Xe双He-Ne / He-Xe激光系统的设计,开发和检查,该系统使用从地形目标反向散射的辐射的差分吸收进行气体检测。两种激光器都被射频放电激发。对于50 cm的长度,我们获得约10 mW的输出功率。使用直径为7 cm的接收器光学元件和热冷却的HgCdTe检测器,在50 m的距离上都存在甲烷。可以测量。新的解决方案正在建设中。为了扩大测量范围,正在准备直径30 cm的Casseigrain光学器件。使用输出功率为30 mW的气体激光器的特殊结构,预期测量距离为200 m。

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