JOURNAL ARTICLE

便携式红外目标模拟器系统设计

高宏伟 Gao Hongwei杨忠明 Yang Zhongming刘红波 Liu Hongbo庄新港 Zhuang XingangZhaojun Liu

Year: 2023 Journal:   Infrared and Laser Engineering Vol: 52 (3)Pages: 20220554-20220554   Publisher: Shanghai Institute of Optics and Fine Mechanics

Abstract

为了满足光电探测设备对不同温度环境下多波段的目标模拟需求,设计了一种便携式红外目标模拟器,选用可切换的黑体光源来进行照明,实现3~5 μm和8~14 μm的中波红外和长波红外的辐射特性。作为准直系统的平行光管口径为110 mm,考虑到中心遮挡问题,采用离轴反射式光学结构。在装调时利用该结构对300 mm口径的参考平面镜进行测量,测试结果PV值为0.356λ(λ=632.8 nm),RMS值为0.047λ。采用MSC. Patran进行建模,利用有限元分析方法完成了系统的光机热分析,在−10~50 ℃工作环境下,由温度变化引起的主次镜面形变化为纳米级别,对中红外波段可实现实时稳定成像,为光电探测设备提供宽波段的多种直接模拟目标。

Keywords:
Materials science Physics

Metrics

1
Cited By
0.17
FWCI (Field Weighted Citation Impact)
8
Refs
0.45
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Optical Systems and Laser Technology
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Solid State Laser Technologies
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Optical and Acousto-Optic Technologies
Physical Sciences →  Physics and Astronomy →  Atomic and Molecular Physics, and Optics

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