硫系玻璃在民用红外车载成像系统中的应用

姜波; 吴越豪; 戴世勋; 张巍; 张培晴; 王训四; 沈祥; 聂秋华

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硫系玻璃在民用红外车载成像系统中的应用

姜波, 吴越豪, 戴世勋, 张巍, 张培晴, 王训四, 沈祥, 聂秋华

文章导航 > 红外与激光工程 > 2015 > 44(6): 1739-1745

姜波, 吴越豪, 戴世勋, 张巍, 张培晴, 王训四, 沈祥, 聂秋华. 硫系玻璃在民用红外车载成像系统中的应用[J]. 红外与激光工程, 2015, 44(6): 1739-1745.

引用本文:

姜波, 吴越豪, 戴世勋, 张巍, 张培晴, 王训四, 沈祥, 聂秋华. 硫系玻璃在民用红外车载成像系统中的应用[J]. 红外与激光工程, 2015, 44(6): 1739-1745.

Jiang Bo, Wu Yuehao, Dai Shixun, Zhang Wei, Zhang Peiqing, Wang Xunsi, Shen Xiang, Nie Qiuhua. Application of chalcogenide glasses in designing vehicle-mounted infrared imaging lens for civilian applications[J]. Infrared and Laser Engineering, 2015, 44(6): 1739-1745.

Citation:

Jiang Bo, Wu Yuehao, Dai Shixun, Zhang Wei, Zhang Peiqing, Wang Xunsi, Shen Xiang, Nie Qiuhua. Application of chalcogenide glasses in designing vehicle-mounted infrared imaging lens for civilian applications[J]. Infrared and Laser Engineering, 2015, 44(6): 1739-1745.

硫系玻璃在民用红外车载成像系统中的应用

1.
宁波大学红外材料及器件实验室,浙江宁波 315211

基金项目:

国家科技部重大国际合作项目(2011DFA12040);发光材料与器件国家重点实验室开放基金(2014-skllmd-01);浙江省重中之重学科开放基金项目(XKXL1320,XKL141039);宁波市自然科学基金(2014A610125)

详细信息

作者简介:
姜波(1990-),男,硕士生,主要从事红外光学系统设计方面的研究。Email:nbu_jiangbo@163.com

中图分类号: TN216

Application of chalcogenide glasses in designing vehicle-mounted infrared imaging lens for civilian applications

1.
Laboratory of Infrared Materials and Devices,Ningbo University,Ningbo 315211,China

摘要: 针对324256非制冷探测器,设计了一个工作波段为8~12 m,有效焦距为9 mm,F数为1.3,视场角为33.2626.28的红外车载镜头。镜头采用了硫系玻璃材料Ge28Sb12Se60制备的两片镜片,结合常规红外材料锗以及硫化锌材料制备其他两片镜片,通过合理分配各个镜片的光焦度达到系统整体无热化设计的效果。利用硫系玻璃易于精密模压制备非球面的特点,仅在一片硫系玻璃镜片上设计了一处非球面。设计结果表明该系统在-40~60 ℃的温度范围内具有良好的消色差/热差性能,且调制传递函数(MTF)接近衍射极限。
- 车载镜头 /
- 红外系统 /
- 无热化设计 /
- 光学被动式
Abstract: A vehicle-mounted infrared lens was designed based on 324256 uncooled detector. The operating wavelength range of the lens is from 8 m to 12 m, the effective focal length(EFL) is 9 mm, the F number is 1.3, and the field of view(FOV) is 33.2626.28. The proposed lens was designed as a combination of two singlet lenses fabricated with the novel chalcogenide glass material Ge28Sb12Se60 and two singlet lenses fabricated with conventional infrared materials Germanium(Ge) and Zinc Sulfide(ZnS). Utilizing the differences in the thermal-optical properties of the utilized infrared materials, an athermalized optical design was realized by carefully adjusting the optical powers of the four singlets. Moreover, taking advantage of the superior property of chalcogenide glasses for molding preparation of aspherical surfaces, the imaging quality of the proposed lens could be further improved by introducing one aspherical surface on one of the chalcogenide glass singlets. The imaging quality of the proposed lens is close to the diffraction-limited system for the designed spectral range and for the temperature range from -40 to 60 ℃.
- vehicle-mounted lens /
- infrared system /
- athermalized design /
- optical passive

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硫系玻璃在民用红外车载成像系统中的应用

1. 宁波大学红外材料及器件实验室,浙江宁波 315211

作者简介:
姜波(1990-),男,硕士生,主要从事红外光学系统设计方面的研究。Email:nbu_jiangbo@163.com

收稿日期: 2014-10-05
修回日期: 2014-11-10
刊出日期: 2015-06-25

基金项目:

中图分类号: TN216

关键词:

摘要: 针对324256非制冷探测器,设计了一个工作波段为8~12 m,有效焦距为9 mm,F数为1.3,视场角为33.2626.28的红外车载镜头。镜头采用了硫系玻璃材料Ge28Sb12Se60制备的两片镜片,结合常规红外材料锗以及硫化锌材料制备其他两片镜片,通过合理分配各个镜片的光焦度达到系统整体无热化设计的效果。利用硫系玻璃易于精密模压制备非球面的特点,仅在一片硫系玻璃镜片上设计了一处非球面。设计结果表明该系统在-40~60 ℃的温度范围内具有良好的消色差/热差性能,且调制传递函数(MTF)接近衍射极限。

English Abstract

Application of chalcogenide glasses in designing vehicle-mounted infrared imaging lens for civilian applications

1. Laboratory of Infrared Materials and Devices,Ningbo University,Ningbo 315211,China

Received Date: 2014-10-05
Rev Recd Date: 2014-11-10
Publish Date: 2015-06-25

Keywords:

Abstract: A vehicle-mounted infrared lens was designed based on 324256 uncooled detector. The operating wavelength range of the lens is from 8 m to 12 m, the effective focal length(EFL) is 9 mm, the F number is 1.3, and the field of view(FOV) is 33.2626.28. The proposed lens was designed as a combination of two singlet lenses fabricated with the novel chalcogenide glass material Ge28Sb12Se60 and two singlet lenses fabricated with conventional infrared materials Germanium(Ge) and Zinc Sulfide(ZnS). Utilizing the differences in the thermal-optical properties of the utilized infrared materials, an athermalized optical design was realized by carefully adjusting the optical powers of the four singlets. Moreover, taking advantage of the superior property of chalcogenide glasses for molding preparation of aspherical surfaces, the imaging quality of the proposed lens could be further improved by introducing one aspherical surface on one of the chalcogenide glass singlets. The imaging quality of the proposed lens is close to the diffraction-limited system for the designed spectral range and for the temperature range from -40 to 60 ℃.