| 移动式量子级联激光器太赫兹全息成像仪光路结构设计 |
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| 引用本文： | 黎维华, 王雪敏, 沈昌乐, 等. 移动式量子级联激光器太赫兹全息成像仪光路结构设计[J]. 强激光与粒子束, 2014, 26: 013101. doi: 10.3788/HPLPB201426.013101 |
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| 作者姓名： | 黎维华 王雪敏 沈昌乐 彭丽萍 赵妍 阎大伟 吴卫东 唐永建 |
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| 作者单位： | 1.中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621 900 |
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| 摘 要： | 为了满足移动式量子级联激光器太赫兹（QCL-THz）全息成像仪大视场高空间分辨率的技术需求，设计了预放大同轴数字全息光路结构，显微物镜数值孔径为0.707或0.8，放大倍数为6倍，最佳工作距离为15 mm。采用波长为96.8 m的QCL光源，该光路结构能实现10 mm的视场，优于100 m的空间分辨率。
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| 关 键 词： | 量子级联激光器 太赫兹 数字全息 光路结构 |
| 收稿时间： | 2013-07-22 |
| 修稿时间： | 2013-08-23 |
Design of light path structure for movable quantum cascade laser-terahertz digital holographic imager |
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| Li Weihua, Wang Xuemin, Shen Changle, et al. Design of light path structure for movable quantum cascade laser-terahertz digital holographic imager[J]. High Power Laser and Particle Beams, 2014, 26: 013101. doi: 10.3788/HPLPB201426.013101 |
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| Authors: | Li Weihua Wang Xuemin Shen Changle Peng Liping Zhao Yan Yan Dawei Wu Weidong Tang Yongjian |
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| Affiliation: | 1. Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China |
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| Abstract: | The light path of digital holographic microscope in line is designed to meet the requirements of high spatial resolution and big field of view which are the key parameters of the movable quantum cascade laser-terahertz (QCL-THz) digital holography imager. The numerical aperture of the microscope objective is 0.707 or 0.8, the amplification times is 6 and the optimal working distance is 15 mm. It can be achieved that the field of view is 10 mm and the spatial resolution is 100 micron in this light path using terahertz source whose wavelength is 96.8 microns. |
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| Keywords: | quantum cascade laser THz digital holography light path structure |
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