| 调频微片Nd:YAG激光器光回馈特性的研究 |
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| 引用本文： | 谈宜东,张书练.调频微片Nd:YAG激光器光回馈特性的研究[J].物理学报,2007,56(11):6408-6412. |
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| 作者姓名： | 谈宜东 张书练 |
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| 作者单位： | 清华大学精密测试技术与仪器国家重点实验室,北京,100084 |
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| 摘 要： | 研究了调频微片Nd：YAG激光器的光回馈特性.在没有光回馈的情况下，激光频率每改变一个纵模间隔，激光器输出功率变化一个条纹.有光回馈时，同时改变激光频率和外腔相位，激光器输出功率波动频率正比于内、外腔长度之比.基于三镜腔等效模型的理论分析和实验结果相符合.并且讨论了这一现象在精密测量领域的潜在应用.
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| 关 键 词： | 光回馈 回馈条纹 |
| 文章编号： | 1000-3290/2007/56(11)/6408-05 |
| 收稿时间： | 2006-11-04 |
| 修稿时间： | 2006-11-04 |
Research on optical feedback characteristics of frequency modulated microchip Nd:YAG lasers |
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| Tan Yi-Dong,Zhang Shu-Lian.Research on optical feedback characteristics of frequency modulated microchip Nd:YAG lasers[J].Acta Physica Sinica,2007,56(11):6408-6412. |
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| Authors: | Tan Yi-Dong Zhang Shu-Lian |
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| Institution: | State Key Laboratory of Precision Measurement Technology and Instruments,Tsinghua University,Beijing 100084,China |
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| Abstract: | Optical feedback characteristics of frequency modulated microchip Nd：YAG lasers are investigated. Without optical feedback，the output intensity changes by one fringe with the laser frequency changing by one longitudinal mode spacing. With optical feedback，the modulation frequency of output intensity is proportional to the ratio of external cavity length to internal cavity length. The theoretical analysis based on three-cavity-mirror equivalent model is in good agreement with experimental results. The potential applications of this phenomenon in precision measurement are also discussed. |
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| Keywords: | optical feedback feedback fringe |
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