| 基于双频微片激光器回馈效应的多普勒测速技术研究 |
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| 引用本文： | 张鹏,张书练,曾召利.基于双频微片激光器回馈效应的多普勒测速技术研究[J].航空计测技术,2012(3):12-16. |
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| 作者姓名： | 张鹏 张书练 曾召利 |
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| 作者单位： | 清华大学精密仪器与机械学系精密测试技术及仪器国家重点实验室,北京100084 |
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| 基金项目： | 北京自然科学基金重点项目（3091002） |
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| 摘 要： | 多普勒测速是激光回馈研究领域中最主要和最活跃的分支之一。本文介绍了激光回馈多普勒测速的基本原理,回顾了该领域的研究进展。重点介绍了基于正交偏振双频激光器回馈效应的多普勒测速方法,并在此基础上设计了一种基于双频Nd：YAG微片激光器的回馈多普勒测速方案,分析了其装置原理和影响因素,讨论了其可行性。
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| 关 键 词： | 多普勒测速 激光回馈 双频激光器 频率分裂 自混合干涉 |
Laser Doppler Velocity Measurement Based on the Feedback Effect of Dual-frequency Microchip Laser |
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| ZHANG Peng,ZHANG Shulian,ZENG Zhaoli.Laser Doppler Velocity Measurement Based on the Feedback Effect of Dual-frequency Microchip Laser[J].Aviation Metrology & Measurement Technology,2012(3):12-16. |
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| Authors: | ZHANG Peng ZHANG Shulian ZENG Zhaoli |
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| Institution: | (State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments and Mechanology,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Doppler velocimetry is one of the most important and active branches of laser-feedbacFk research fields.The basic principle of the laser-feedback Doppler velocimetry（LFDV） is introduced and the research progress in this domain is reviewed.The LFDV based on the feedback effect of an orthogonally polarized dual-frequency laser is specially presented and analyzed in detail.A Doppler velocity measurement method based on the laser feedback of a dual-frequency Nd：YAG microchip laser is designed and an experimental configuration is given.The principle and influence factors of this method are discussed,and the feasibility is demonstrated as well. |
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| Keywords: | Doppler velocimetry laser feedback dual-frequency laser frequency splitting self-mixing interference |
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