激光在高光谱相机光学系统中的传输

王彦斌; 陈前荣; 李华; 王敏; 邹前进

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激光在高光谱相机光学系统中的传输

王彦斌, 陈前荣, 李华, 王敏, 邹前进

文章导航 > 红外与激光工程 > 2015 > 44(11): 3250-3255

王彦斌, 陈前荣, 李华, 王敏, 邹前进. 激光在高光谱相机光学系统中的传输[J]. 红外与激光工程, 2015, 44(11): 3250-3255.

引用本文:

王彦斌, 陈前荣, 李华, 王敏, 邹前进. 激光在高光谱相机光学系统中的传输[J]. 红外与激光工程, 2015, 44(11): 3250-3255.

Wang Yanbin, Chen Qianrong, Li Hua, Wang Min, Zou Qianjin. Laser propagation in optical system of hyper-spectral camera[J]. Infrared and Laser Engineering, 2015, 44(11): 3250-3255.

Citation:

Wang Yanbin, Chen Qianrong, Li Hua, Wang Min, Zou Qianjin. Laser propagation in optical system of hyper-spectral camera[J]. Infrared and Laser Engineering, 2015, 44(11): 3250-3255.

激光在高光谱相机光学系统中的传输

1.
中国洛阳电子装备试验中心,河南洛阳 471003

基金项目:

国家自然科学基金(11504420)

详细信息

作者简介:
王彦斌(1982-),男,助理研究员,博士,主要从事光电对抗方面的研究。Email:wangyanbin82@163.com

中图分类号: TN249

Laser propagation in optical system of hyper-spectral camera

1.
Luoyang Electronic Equipment Test Center of China,Luoyang 471003,China

摘要: 随着高光谱相机在工业、农业、科研、国防等众多领域的广泛应用,发展有效的对抗技术也迫在眉睫,激光有源压制干扰是当前对抗高光谱相机的一个有效手段。以双高斯光学系统为例,首先依据高斯光束q参数的传输理论,逐个分析了激光束在高光谱相机光学系统各透镜中的传输,获得了其探测器光敏面上的激光能量分布;然后研究了激光发射参数对探测器光敏面上能量分布的影响,结果表明:探测器光敏面上激光主光斑的大小随激光器对高光谱相机作用距离的增加而减小,随激光束腰尺寸的增大却是先减小后增大,整个变化过程中存在一个最小值,为实现较好的激光干扰效果,激光束腰的设计要尽量避开这个最小值。研究结果可为开展激光有效干扰高光谱成像系统试验以及激光器参数的优化设计提供理论依据和技术支持。
- 激光有源压制干扰 /
- 高光谱相机 /
- 双高斯光学系统 /
- q参数
Abstract: As hyper-spectral cameras have been widely used in many fields such as industry, agriculture, scientific research, military, etc, it is urgent to develop the effective countermeasure, laser active suppressing jamming is presently one of the most effective technologies to cope with hyper-spectral cameras. Double-Gauss optical system was taken as an example; first of all, the laser propagation in every lens was analyzed based on the propagation theory of Gaussian beam's q parameter, and the energy distribution on the photosensitive surface of the system's detector was obtained. The influences of laser launch parameters were subsequently investigated on the energy distribution. The results show that the laser spot on the photosensitive surface decrease with the increase of laser and hyper-spectral camera's distance, however, with the increase of laser waist there is a minimum in the whole variation trend of laser spot. To achieve the better laser jamming effect, the minimum should be avoided in designing the laser waist. The research fruit can provide the theoretical basis and technical support for carrying out the experiment of laser jamming hyper-spectral imaging system and optimal design of laser launch parameter.
- laser active suppressing jamming /
- hyper-spectral camera /
- double-Gauss optical system /
- q parameter

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激光在高光谱相机光学系统中的传输

1. 中国洛阳电子装备试验中心,河南洛阳 471003

作者简介:
王彦斌(1982-),男,助理研究员,博士,主要从事光电对抗方面的研究。Email:wangyanbin82@163.com

收稿日期: 2015-03-05
修回日期: 2015-04-08
刊出日期: 2015-11-25

基金项目:

国家自然科学基金(11504420)

中图分类号: TN249

关键词:

摘要: 随着高光谱相机在工业、农业、科研、国防等众多领域的广泛应用,发展有效的对抗技术也迫在眉睫,激光有源压制干扰是当前对抗高光谱相机的一个有效手段。以双高斯光学系统为例,首先依据高斯光束q参数的传输理论,逐个分析了激光束在高光谱相机光学系统各透镜中的传输,获得了其探测器光敏面上的激光能量分布;然后研究了激光发射参数对探测器光敏面上能量分布的影响,结果表明:探测器光敏面上激光主光斑的大小随激光器对高光谱相机作用距离的增加而减小,随激光束腰尺寸的增大却是先减小后增大,整个变化过程中存在一个最小值,为实现较好的激光干扰效果,激光束腰的设计要尽量避开这个最小值。研究结果可为开展激光有效干扰高光谱成像系统试验以及激光器参数的优化设计提供理论依据和技术支持。

English Abstract

Laser propagation in optical system of hyper-spectral camera

1. Luoyang Electronic Equipment Test Center of China,Luoyang 471003,China

Received Date: 2015-03-05
Rev Recd Date: 2015-04-08
Publish Date: 2015-11-25

Keywords:

Abstract: As hyper-spectral cameras have been widely used in many fields such as industry, agriculture, scientific research, military, etc, it is urgent to develop the effective countermeasure, laser active suppressing jamming is presently one of the most effective technologies to cope with hyper-spectral cameras. Double-Gauss optical system was taken as an example; first of all, the laser propagation in every lens was analyzed based on the propagation theory of Gaussian beam's q parameter, and the energy distribution on the photosensitive surface of the system's detector was obtained. The influences of laser launch parameters were subsequently investigated on the energy distribution. The results show that the laser spot on the photosensitive surface decrease with the increase of laser and hyper-spectral camera's distance, however, with the increase of laser waist there is a minimum in the whole variation trend of laser spot. To achieve the better laser jamming effect, the minimum should be avoided in designing the laser waist. The research fruit can provide the theoretical basis and technical support for carrying out the experiment of laser jamming hyper-spectral imaging system and optimal design of laser launch parameter.