| Distortion of optical feedback signals in microchip Nd:YAG lasers subjected to external multi-beam interference feedback |
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| 作者姓名： | 谈宜东 张书练 任舟 任成 张亦男 |
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| 作者单位： | The State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China;The State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China;The State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China;The State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China;The 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 No.~50805084) and China
Postdoctoral Science Foundation (Grant Nos.~20080430395 and
200902087). |
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| 摘 要： | This paper proposes a theoretical analysis for the characteristics of an external cavity Nd:YAG laser with feedback of multiple-beam interference,which is induced by the multi-reentrance of the light from the external Fabry-Perot cavity.The theoretical model considers the multiple beam interference of the external Fabry-Perot cavity.It is found that the optical feedback signals are distorted to pulse waveforms instead of the sinusoidal ones in conventional feedback.The experimental results are in good agreement with the theoretical analysis.The obtained theoretical and experimental results can advance the development of a laser feedback interferometer.
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| 关 键 词： | optical feedback multi-beam interference |
| 收稿时间： | 2008-11-06 |
| 修稿时间： | 6/3/2009 12:00:00 AM |
Distortion of optical feedback signals in microchip Nd:YAG lasers subjected to external multi-beam interference feedback |
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| Tan Yi-Dong,Zhang Shu-Lian,Ren Zhou,Ren Cheng and Zhang Yi-Nan.Distortion of optical feedback signals in microchip Nd:YAG lasers subjected to external multi-beam interference feedback[J].Chinese Physics B,2010,19(3):34203-034203. |
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| Authors: | Tan Yi-Dong Zhang Shu-Lian Ren Zhou Ren Cheng and Zhang Yi-Nan |
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| Institution: | The State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China |
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| Abstract: | This paper proposes a theoretical analysis for the
characteristics of an external cavity Nd:YAG laser with feedback of
multiple-beam interference, which is induced by the multi-reentrance
of the light from the external Fabry--Perot cavity. The theoretical
model considers the multiple beam interference of the external
Fabry--Perot cavity. It is found that the optical feedback signals
are distorted to pulse waveforms instead of the sinusoidal ones in
conventional feedback. The experimental results are in good
agreement with the theoretical analysis. The obtained theoretical
and experimental results can advance the development of a laser
feedback interferometer. |
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| Keywords: | optical feedback multi-beam interference |
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