[1]郭钰琳,于 洵,蔡珂珺,等.可见光/中波红外双波段共口径光学系统设计[J].红外技术,2018,40(2):125-132.[doi:10.11846/j.issn.1001_8891.201802005]
 GUO Yulin,YU Xun,CAI Kejun,et al.Optical Design of TV/IR Dual-band Common-aperture System[J].Infrared Technology,2018,40(2):125-132.[doi:10.11846/j.issn.1001_8891.201802005]
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可见光/中波红外双波段共口径光学系统设计
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
40
期数:
2018年第2期
页码:
125-132
栏目:
出版日期:
2018-02-20

文章信息/Info

Title:
Optical Design of TV/IR Dual-band Common-aperture System
文章编号:
1001-8891(2018)02-0125-08
作者:
郭钰琳1于 洵1蔡珂珺2杨 璐3
1. 西安工业大学 光电工程学院,陕西 西安 710021,2. 江苏北方湖光光电有限公司,江苏 无锡 214035;
3. 西安北方光电科技防务有限公司,陕西 西安710043
Author(s):
GUO Yulin1YU Xun1CAI Kejun2YANG Lu3
1.School of Optoelectronic Engineering, Xi’an Technological University, Xi’an 710021, China;
2. Jiangsu North Huguang Optics & Electronics Co. Ltd., Wuxi 214035, China;
3. North Optoelectronic Stock Ltd., Xi’an 710043, China
关键词:
双波段成像卡塞格林系统共口径结构光学设计
Keywords:
dual-band imaging systemCassegrain systemcommon apertureoptical design
分类号:
TH74
DOI:
10.11846/j.issn.1001_8891.201802005
文献标志码:
A
摘要:
设计了适用于制冷型640×512中波红外凝视焦平面阵列探测器和1920×1080的CCD的可见光/中波红外共口径光学系统。该系统在中波3.6~4.8mm,可见光0.45~0.9 mm,环境温度-40℃~60℃工作,可见光系统焦距500 mm,视场角为0.38°×0.43°,F/#为4;中波红外系统焦距600 mm,视场角为0.38°×0.43°,F/#为4.8,满足100%冷光阑效率。本设计利用共用卡塞格林系统,利用分光镜实现可见光与中波红外光谱分光,之后接各自校正像差的镜组。该系统满足工程光学的要求,能够良好成像,双波段系统在-40℃~60℃环境温度下的也能够正常工作,并能够实现可见/中波红外远距离识别。
Abstract:
A set of common aperture optical system with dual bands is presented for 640×512 MWIR and 1920×1080 CCD. The system works in the wavelength ranges of 3.6-4.8 mm and 0.45-0.9 mm and in the environment temperature range of -40℃-60℃. The TV system has an effective focal length of 500 mm, field of view of 0.38°×0.43°, and an F/#of 4; the IR system has a focal length of 600 mm, the field of view of 0.38°×0.43°, an F/#of 4.8, and a cold shield efficiency of 100%. The system takes advantage of Cassegrain system. The beam splitting of the IR/VR is achieved by using a spectroscope and the aberrations are reduced by using respective correcting lenses. The system obtains good image quality for temperatures lying between -40℃-60℃, and can recognize the long-distance targets.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-11-23;修订日期:2018-01-02.
作者简介:郭钰琳(1992-),女,陕西铜川人,西安工业大学硕士研究生。主要研究方向为光学系统设计。E-mail:ttguoyulin@163.com。
更新日期/Last Update: 2018-02-12