| 改进的Herriott型光学长程池 |
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| 引用本文： | 郝绿原,吴国荣,史强,李琦,林海,朱清时.改进的Herriott型光学长程池[J].化学物理学报,2001,14(2):147-153. |
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| 作者姓名： | 郝绿原 吴国荣 史强 李琦 林海 朱清时 |
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| 作者单位： | [1]中国科学技术大学,中国科学院先进键化学开放研究实验 [2]中国科学技术大学,中国科学院 |
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| 基金项目： | 国家自然科学基金资助项目(29703007) |
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| 摘 要： | 用凹面反射镜和平面反射镜组成结构简单、光路易调的光多次反射装置，计算了这种光学系统的稳定性条件。考察实际入射光束的直径和发射角，给出了最大反射次数的求法。制成适用于钛宝石激光光声光谱仪的光56次通过的长程池。理论计算的反射光斑分布与实验观测一致。这个技术有利于提高光声光谱和吸收光谱的探测灵敏度。
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| 关 键 词： | 稳定性条件 光声光谱 钛宝石激光光声光谱仪 反射光斑分布 Herriott型光学长程池 |
| 收稿时间： | 2000/6/14 0:00:00 |
An Advantaged Multiple-pass Herriott Cell |
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| Hao Luyuan,Wu Guorong,Shi Qiang,Li Qi,Lin Hai and Zhu Qingshi.An Advantaged Multiple-pass Herriott Cell[J].Chinese Journal of Chemical Physics,2001,14(2):147-153. |
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| Authors: | Hao Luyuan Wu Guorong Shi Qiang Li Qi Lin Hai and Zhu Qingshi |
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| Institution: | Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026,Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026,Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026,Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026,Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026,Laboratory for Bond-selective Chemistry, Chinese Academy of Science,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | A multiple-pass geometry for simple structure and easy adjustment is designed ,which consists of only a concave mirror and a plane mirror. The stability condition of this optical system is worked out. A design procedure for maximum number of reflection is described that includes a consideration of input ray diameter and divergence angle. A 56-pass cell is constructed for Ti: sapphire ring laser photoacoustic spectrometer. The calculated spot pattern is in good agreement with the experimental observation. This technique is useful for photoacoustic spectroscopy and long path absorption. |
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| Keywords: | Multipass Stability condition Photoacoustic effect |
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