offner型连续变焦中波红外光谱成像系统设计

刘智颖; 高柳絮; 黄蕴涵

doi:10.3788/IRLA201948.0718003

offner型连续变焦中波红外光谱成像系统设计

doi: 10.3788/IRLA201948.0718003

1.
长春理工大学光电工程学院光电测控与光信息传输技术教育部重点实验室,吉林长春 130022

基金项目:

国家自然科学基金（11474037）

详细信息

作者简介:
刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

中图分类号: TH741

Design of continuous zoom medium-wave infrared spectral imaging system based on offner scheme

1.
Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education,School of Opto-electronic Engineering,Changchun University of Science and Technology,Changchun 130022,China

摘要: 为了适应不同视场光谱仪的应用需求，设计了一款offner型连续变焦中波红外光谱成像系统。该系统引入前置变焦系统实现60~300 mm范围连续变焦，同时采用光栅型offner同心结构进行光谱分光及成像，系统工作波段为3~5 m，选用制冷型红外探测器，系统F#=4.0。根据物像交换原则及光焦度分配原则对前置变焦系统和中继系统的初始结构进行了计算，并应用zemax软件对各子系统进行优化，使其满足设计参数要求。最终offner型连续变焦中波红外光谱成像系统的调制传递函数在空间频率33 lp/mm处接近衍射极限，点列斑均方根半径均小于一个像元大小，设计的结果显示系统结构简单，在各个焦距位置及各谱段下，像质均满足了设计指标要求，成像质量良好。
- 光谱成像 /
- 连续变焦 /
- 中波红外系统 /
- 冷光阑匹配
Abstract: In order to adapt to the application requirements of different field of view spectrometers, a continuous zoom medium-wave infrared spectrum imaging system based on offner scheme was designed. The front zoom system to achieve continuous zoom in the range of 60-300 mm was introduced in the system, and a grating-type offner concentric structure was used for spectral splitting and imaging. The working band was 3-5 m, the cooled medium-wave infrared detector was used, the F#=4.0 in this system. According to the object image exchange principle and the power distribution principle, the initial structure of the front zoom system and the relay system were calculated, and the zemax software was used to optimize each subsystem to meet the design parameters. The modulation transfer function of the final continuous zoom medium-wave infrared spectrum imaging system based on offner scheme was close to the diffraction limit at a spatial frequency of 33 lp/mm, and the root mean square radius of the spot was smaller than one pixel. The design results show that the system structure is simple, and the image quality is good and meets the design indicator requirements at each focal length position and each spectral segment.
- spectral imaging /
- continuous zoom /
- medium wave infrared system /
- matching of cold stop

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offner型连续变焦中波红外光谱成像系统设计

doi: 10.3788/IRLA201948.0718003

作者简介:
刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

Design of continuous zoom medium-wave infrared spectral imaging system based on offner scheme

计量

offner型连续变焦中波红外光谱成像系统设计

doi: 10.3788/IRLA201948.0718003

1. 长春理工大学光电工程学院光电测控与光信息传输技术教育部重点实验室,吉林长春 130022

作者简介:
刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

English Abstract

Design of continuous zoom medium-wave infrared spectral imaging system based on offner scheme

1. Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education,School of Opto-electronic Engineering,Changchun University of Science and Technology,Changchun 130022,China

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留言板

offner型连续变焦中波红外光谱成像系统设计

doi: 10.3788/IRLA201948.0718003

作者简介: 刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

Design of continuous zoom medium-wave infrared spectral imaging system based on offner scheme

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出版历程

offner型连续变焦中波红外光谱成像系统设计

doi: 10.3788/IRLA201948.0718003

1. 长春理工大学 光电工程学院 光电测控与光信息传输技术教育部重点实验室,吉林 长春 130022

作者简介: 刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

English Abstract

Design of continuous zoom medium-wave infrared spectral imaging system based on offner scheme

1. Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education,School of Opto-electronic Engineering,Changchun University of Science and Technology,Changchun 130022,China

全文HTML

目录

作者简介:
刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn

1. 长春理工大学光电工程学院光电测控与光信息传输技术教育部重点实验室,吉林长春 130022

作者简介:
刘智颖(1981-),女,教授,博士,主要从事光学设计与检测方面的研究。Email:lzy@cust.edu.cn