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采用电感性金属网栅作为光学谐振腔的反射镜和输入输出耦合器，设计制作了长度分别为100cm、20cm和10cm的Fabry-Perot腔式亚毫米波激光器，分别用TEA-CO2激光器的10R（8）线和9R（16）线作为泵浦源，成功地获得光泵NH3分子亚毫米波激光根据F-P腔的多光束干涉特性，运用量子系统的密度矩阵理论，对上述激光器的光学特性和NH3分子亚毫米波激光的频谱特性进行了理论研究
The Fabry-Perot cavity submillimeter laser with length of 100cm, 20cm and 10cm was designed by using the inductive metal grid as the reflector of the optical cavity and the input / output coupler. The TEA-CO2 laser 10R 8) line and 9R (16) line as the pump source, successfully obtain the optical pump NH3 molecular submillimeter laser According to the multi-beam interference characteristics of the FP cavity, using the density matrix theory of the quantum system, the optical characteristics of the above laser and NH3 The molecular properties of molecular submillimeter laser have been studied theoretically