基于固定校正镜的折衍共形光学系统设计

Shen Mande

doi:10.3788/HPLPB20122406.1353

Volume 24 Issue 06

May 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(06): 1353-1356

Bai Zhen, Li Guolin, Zhang Jun. X-band high power microwave mode-selective directional coupler[J]. High Power Laser and Particle Beams, 2013, 25: 1747-1750. doi: 10.3788/HPLPB20132507.1747

Citation:

Shen Mande. 基于固定校正镜的折衍共形光学系统设计[J]. High Power Laser and Particle Beams, 2012, 24: 1353-1356. doi: 10.3788/HPLPB20122406.1353

Bai Zhen, Li Guolin, Zhang Jun. X-band high power microwave mode-selective directional coupler[J]. High Power Laser and Particle Beams, 2013, 25: 1747-1750. doi: 10.3788/HPLPB20132507.1747

Citation:

Shen Mande. 基于固定校正镜的折衍共形光学系统设计[J]. High Power Laser and Particle Beams, 2012, 24: 1353-1356. doi: 10.3788/HPLPB20122406.1353

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基于固定校正镜的折衍共形光学系统设计

doi: 10.3788/HPLPB20122406.1353

Shen Mande^,

1.
School of Electronic and Electric Engineering,Wuhan Textile University,Wuhan 430073,China

Received Date: 2011-11-28
Rev Recd Date: 2012-01-11
Publish Date: 2012-06-15

Abstract

Abstract

设计了一个大扫描视场的折衍混合红外共形光学系统，共形成像系统工作波段为3.7～4.8 m，相对孔径为1/2，焦距为120 mm，扫描视场为40。由于共形光学系统具有大偏心、大倾斜光学特性，像差校正难度较大，设计中采用固定校正镜和折衍混合混合结构校正了共形光学元件的像差，引入了非球面和衍射面有效消除了各个扫描视场的像差。设计结果表明：光学系统光阑与探测器冷光阑重合，满足100%冷光阑效率。在40扫描视场范围内，共形光学系统的光学传递函数曲线接近衍射极限，成像良好。
- optical design,
- infrared optics,
- diffractive optics,
- fixed corrector

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