红外与激光工程, 2015, 44 (5): 1467, 网络出版: 2016-01-26   

基于硫系玻璃的中波红外光学系统无热化设计

Athermalization of the medium-wave infrared optical system based on chalcogenide glasses
付强 1,2张新 1
作者单位
1 中国科学院长春光学精密机械与物理研究所,光学系统先进制造技术中国科学院重点实验室,吉林 长春 130033
2 中国科学院大学,北京 100049
摘要
硫系玻璃作为优良的消色差和消热差红外材料,是红外光学系统中关键光学元件的理想候选材料,文中利用硫系玻璃实现中波红外光学系统无热化设计。首先分析了温度变化对红外光学系统的影响;其次分析了常用硫系玻璃的各方面特性,并总结了硫系玻璃的优点;最后利用硫系玻璃,镜筒材料选择最常用的铝合金材料,设计了一个工作于中波红外的二次成像全球面无热化成像系统。设计结果表明:在0~100 ℃温度范围内,光学系统的成像质量优异,具有良好的无热化能力。使用硫系玻璃可实现低成本高性能中波红外光学系统。
Abstract
Chalcogenide glasses are excellent achromatic and athermalized infrared materials. They are the ideal candidate for key optical components in infrared optical systems. In this paper, chalcogenide glasses were used to achieve athermalization of the medium-wave infrared optical system. Firstly, the effect of temperature variation on infrared optical systems was introduced. Secondly, some aspects of properties for common chalcogenide glasses were analyzed and the advantages of chalcogenide glasses were summarized. Finally, an athermal medium-wave infrared optical system working in the manner of secondary imaging was designed. The most common aluminum alloy material was used as house material. Design results show that the image quality of the optical system is excellent in the temperature range of 0-100 ℃. High-performance medium-wave infrared optical systems can be achieved by using chalcogenide glasses with a low-cost.

付强, 张新. 基于硫系玻璃的中波红外光学系统无热化设计[J]. 红外与激光工程, 2015, 44(5): 1467. Fu Qiang, Zhang Xin. Athermalization of the medium-wave infrared optical system based on chalcogenide glasses[J]. Infrared and Laser Engineering, 2015, 44(5): 1467.

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