在连续钛宝石环形激光腔中，无光学单向器时存在相向传播的两束光波，有两个对应的输出光束。用平面镜反馈回其中一束，可实现环形腔的行波激光运转。本文给出了该结构钛宝石激光器的输入一输出关系、双向波功率比随泵浦功率和输出耦合率的变化、外腔棱镜调谐特性，以及腔内插入标准具进行线宽压窄的实验结果。 In a continuous sapphire ring laser cavity, there are two beams of light propagating in opposite directions without optical unidirectional, and two corresponding output beams. With the plane mirror feedback back to one of them, can realize the ring cavity traveling wave laser operation. In this paper, we present the input-output relationship of the Ti: sapphire laser. The results show that the bidirectional wave power ratio varies with the pump power and the output coupling rate, the tuning characteristics of the outer prism and the narrowing of the linewidth of the etalon .