| 辅助透镜构造开普勒望远系统法测量热焦距 |
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| 引用本文： | 王菲,冯进良,魏剑维,李港,陈檬.辅助透镜构造开普勒望远系统法测量热焦距[J].光电子．激光,2006,17(2):219-221. |
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| 作者姓名： | 王菲 冯进良 魏剑维 李港 陈檬 |
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| 作者单位： | 长春理工大学光电工程学院,吉林,长春,130022;北京工业大学激光工程研究院,北京,100022;长春理工大学光电工程学院,吉林,长春,130022;北京工业大学激光工程研究院,北京,100022;北京光电技术研究所,北京,100010;北京工业大学激光工程研究院,北京,100022 |
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| 摘 要： | 基于望远系统的工作原理,提出了辅助透镜与热透镜构成开普勒望远系统的方法来测量工作物质对指示光的动态热焦距,结合指示光与ND:YAG激光波长关系推导工作物质对ND:YAG激光的动态热焦距。研究结果表明,该方法测量精度小于±5 MM,能够实现对热焦距较小情况的测量。
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| 关 键 词： | Nd:YAG激光器 动态热焦距 辅助透镜 开普勒望远系统 |
| 文章编号： | 1005-0086（2006）02-0219-03 |
| 收稿时间： | 2005-06-04 |
| 修稿时间： | 2005-06-042005-09-27 |
Measurement of Thermal Focus Length by Accessorial Lens to Constitute Keplerian Telescope System |
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| WANG Fei,FENG Jin-liang,WEI Jian-wei,LI Gang,CHEN Meng.Measurement of Thermal Focus Length by Accessorial Lens to Constitute Keplerian Telescope System[J].Journal of Optoelectronics·laser,2006,17(2):219-221. |
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| Authors: | WANG Fei FENG Jin-liang WEI Jian-wei LI Gang CHEN Meng |
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| Abstract: | A new method to measure dynamic thermal focus length by reference light is put forward on the basis of telescope systems operating principle,which uses keplerian telesoope consisted of an accessorial lens inserted in optical path and thermal lens.According to the relation of wavelength between reference light and Nd:YAG laser,thermal focus length of Nd:YAG laser is decluced.Besides higher measurement precision,short thermal focus length can be measured possibly by the method,compared with other traditional measurement method. |
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| Keywords: | Nd:YAG laser dynamic thermal focus length accessorial lens Keplerian telescope system |
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