Design and Simulation of Far Infrared Microscopic Imaging Optical Systems

Yue Wang; Aiyun Liu; Wangzhou Shi; Gujin Hu; Chixian Liu; Changyi Pan; Yufeng Shan; Yi Zhang; Huiyong Deng; Ning Dai

doi:10.3788/LOP202259.1122005

Laser & Optoelectronics Progress, Volume. 59, Issue 11, 1122005(2022)

Design and Simulation of Far Infrared Microscopic Imaging Optical Systems

Yue Wang^1,2, Aiyun Liu¹, Wangzhou Shi¹, Gujin Hu^1、*, Chixian Liu², Changyi Pan², Yufeng Shan², Yi Zhang², Huiyong Deng^2、**, and Ning Dai²

Author Affiliations

¹Department of Physics, College of Mathematics and Science, Shanghai Normal University, Shanghai 200234, China

²State Key Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China

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Fig. 1. Cross-sectional diagram of far infrared microscopic imaging optical system

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Fig. 2. Simulated MTF curve of far infrared microscopic imaging optical system

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Fig. 3. Simulated spot diagrams of far infrared microscopic imaging optical system

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Fig. 4. Simulated field curvature of far infrared microscopic imaging optical system

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Fig. 5. Simulated distortion of far infrared microscopic imaging optical system

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Fig. 6. Enclosed energy map of optical system

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Table 1. Parameter indexes of far infrared microscopic imaging optical system
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Table 1. Parameter indexes of far infrared microscopic imaging optical system
Item Value
Working wave range /μm 50-70
Zoom ratio 10
NA
Focal length /mm
Image height /mm
0.25
14
5

Table 2. Optimized structural parameters of far infrared microscopic imaging optical system

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Table 2. Optimized structural parameters of far infrared microscopic imaging optical system

Surface

Radius of curvature /mm

Interval /μm

Glass

OBJ

STO

IMA

∞

-19.081

-15.828

-13.729

-16.499

-11.389

-14.988

9.958

9.945

-58.684

118.289

∞

155

2.002

2.219

2.229

3.624

5.575

3.003

2.430

4.253

4.663

5.151

4.853

‒

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Table 3. Cool reflection characteristic parameters of optical element surface
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Table 3. Cool reflection characteristic parameters of optical element surface
Surface YNI
1
2
3
4
5
6
7
8
9
10
11
0.09694
-0.70972
-1.69917
-1.66539
-1.73224
-1.82608
-1.47518
2.19516
-0.05209
-0.61923
-0.29893

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Yue Wang, Aiyun Liu, Wangzhou Shi, Gujin Hu, Chixian Liu, Changyi Pan, Yufeng Shan, Yi Zhang, Huiyong Deng, Ning Dai. Design and Simulation of Far Infrared Microscopic Imaging Optical Systems[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1122005

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