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频率可调CO_2波导激光器是一种高增益可调谐激光器,在激光通讯、光雷达、污染探测以及光谱学等应用方面十分引人注目,因此近几年来发展较快。 一般低气压CO_2激光器的调谐范围受到CO_2激光跃迂的多普勒宽度(约为53兆赫的限制,自1964年美国贝尔电话实验室的Marcatili和Schmeltger提出空心介质波导激光器的设想以及由Smith于1971年首先制成He—Ne波导激光器以来,人们采用减小放电管直径,增大气体压强,使激光器的谱线压力展宽,制成了高气压可调谐CO_2波导激光器。获得了千
The frequency tunable CO 2 waveguide laser is a high-gain tunable laser that has attracted a great deal of attention in applications such as laser communications, photoradiography, pollution detection and spectroscopy and has therefore developed rapidly in recent years. The tuning range of a typical low-pressure CO 2 laser is limited by the CO 2 laser’s pulsed doppler width (about 53 MHz) since Holcautli and Schmeltger (1964) proposed a hollow dielectric waveguide laser, and by Smith in 1971 Since the He-Ne waveguide laser was first manufactured in the year, the high-pressure tunable CO 2 waveguide laser was manufactured by reducing the diameter of the discharge tube, increasing the gas pressure and broadening the line pressure of the laser.