| A birefringent cavity He－Ne laser and optical feedback |
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| 引用本文： | 刘刚,张书练,李岩,朱钧.A birefringent cavity He－Ne laser and optical feedback[J].中国物理 B,2004,13(6):855-859. |
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| 作者姓名： | 刘刚 张书练 李岩 朱钧 |
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| 作者单位： | State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos 85103, 68978018, 59275237, 69286001, 69778010, 59775088, 50127501, 60178010). |
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| 摘 要： | Strong modes competition makes only one of o-light and e-light oscillate in a birefringent dual-frequency laser when the angle between the crystalline axis and the laser beam is nearly zero. When the oscillated mode is in a different part of the gain curve, the detected intensity curves of o-light and e-light are quite different in the existence of optical feedback. The curves are divided into five cases. Three cases of the experimental results can be used for direction discrimination. The polarization characteristics of the birefringent cavity He－Ne laser are also discussed without optical feedback.
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| 关 键 词： | 光学反馈 双折射腔 氦-氖激光器 双频激光器 振荡模型 |
| 收稿时间： | 2003-10-17 |
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