In Chemical Oxygen-Iodine laser (COIL) system, the watervapor produced from the generator of singlet oxygen can have severe negative effects on the output of the laser power.
氧碘化学激光(简称COIL)系统中，水是影响激光功率输出的最重要的原因之一。
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When monitor trace gases of the atmosphere or pollution gases by means of co laser, one must correct for watervapor attenuation according to the actual condition of the atmosphere.