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二维激光多普勒测速一般使用氩离子激光器的蓝线(488 nm)和绿线(514.5 nm)，每种线都以单纵模运转。一般情况下，装有适于两种谱线的干涉滤光片的两台光探测器与双通道电子设备结合。通过测量体积，这种技术能够区分沿两条轴的流速，并能测定局部流场速度三个分量中的两个。
用一种波长进行多普勒测速
【摘 要】
：
二维激光多普勒测速一般使用氩离子激光器的蓝线(488 nm)和绿线(514.5 nm)，每种线都以单纵模运转。一般情况下，装有适于两种谱线的干涉滤光片的两台光探测器与双通道电子设备结合。通过测量体积，这种技术能够区分沿两条轴的流速，并能测定局部流场速度三个分量中的两个。
【出 处】
：
激光与光电子学进展
【发表日期】
：
1987年24期
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