一种测量气体浓度的光学吸收池
申请公布号:CN205157412U
申请号:CN201520782175.2
申请日期:2015.10.10
申请公布日期:2016.04.13
发明人:李传亮;吴飞龙;何岩波;邱选兵;吴应发;魏计林
分类号:G01N21/03(2006.01)I
主分类号:G01N21/03(2006.01)I
代理人:李广
地址:030051 山西省太原市万柏林区窊流路66号太原科技大学
摘要:本实用新型公开了一种测量气体浓度的光学吸收池,属于气体浓度光学测量领域。该光学吸收池包括凹面螺旋光学腔,入射窗口和出射窗口,所述凹面螺旋光学腔由曲率半径为r的曲线沿径向半径R做螺旋旋转而成;激光通过所述入射窗口入射到所述凹面螺旋光学腔,经过螺旋式的循环反射,由所述出射窗口出射。使用该光学吸收池对气体浓度进行测量时,可以有效地缩小光程池的体积,加长光作用的有效光程,从而能有效地提高光谱探测灵敏度,提高吸收气体浓度测量的精确度。
主权项:一种测量气体浓度的光学吸收池,其特征在于,包括凹面螺旋光学腔,入射窗口和出射窗口,所述凹面螺旋光学腔由曲率半径为r的曲线沿径向半径R做螺旋旋转而成;激光通过所述入射窗口入射到所述凹面螺旋光学腔,经过螺旋式的来回循环反射,由所述出射窗口出射。
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