连续运转低增益激活介质增益特性的测量研究

Measurement of Gain Properties in Continuosly-operation Active Medium with Low Gain

采用锁定放大技术和滤光技术,测量了连续运转低增益激活介质的增益特性。给出了不同输入光强下的增益系数。实验结果表明本法对干扰和噪声是不敏感的,精确度高。

The gain properties in continuosly-operating active medium with low gain are measured by means of lock-in amplified technique and filter technique. The gains in different input intensites are obtained. The experimental results show that the method is insensitive to noise and good in accuracy.