利用Cr4+:YAG和声光锁模器联合对光纤耦合LD抽运Nd:YAG激光器进行主被动锁模,比较和分析了Cr4+:YAG被动锁模,声光锁模器主动锁模及两者联合主被动锁模三种情况下平均输出功率的特性,结果表明主被动联合锁模克服了主动锁模稳定性差、被动锁模输出功率低、锁模不完全的缺点,得到幅值和能量抖动小于±6%、锁模深度100%、脉宽小于410 ps、输出平均功率290 mW的绿光锁模脉冲.
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