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本文较详细地讨论了利用多光束干涉法测量激光线宽的光学系统的设计及实验技术,并讨论了所测得的He—Ne以及染料激光的线宽的合理性,分析了误差因素。在提高多光束干涉法测量激光线宽的精确度方面作了一些探讨。
In this paper, the design and experimental technique of the optical system for measuring laser linewidth using multi-beam interferometry are discussed in detail. The rationality of measured He-Ne and the linewidth of dye laser are discussed, and the error factors are analyzed. Some improvements are made in improving the accuracy of multi-beam interferometry in measuring laser linewidth.