Design method of infrared microscope optical system with lower aberration compensation

Zhiying Liu; Zhiyang Lv; Liuxu Gao

doi:10.3788/IRLA20200153

Journals >Infrared and Laser Engineering >Volume 50 >Issue 2 >Page 20200153 > Article

Infrared and Laser Engineering
Vol. 50, Issue 2, 20200153 (2021)

Design method of infrared microscope optical system with lower aberration compensation

Zhiying Liu, Zhiyang Lv, and Liuxu Gao

Author Affiliations

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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DOI: 10.3788/IRLA20200153 Cite this Article

Zhiying Liu, Zhiyang Lv, Liuxu Gao. Design method of infrared microscope optical system with lower aberration compensation[J]. Infrared and Laser Engineering, 2021, 50(2): 20200153 Copy Citation Text

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Fig. 1. [in Chinese]

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Fig. 2. [in Chinese]

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Fig. 3. [in Chinese]

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Fig. 4. [in Chinese]

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Fig. 5. [in Chinese]

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Fig. 6. [in Chinese]

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Fig. 8. [in Chinese]

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Fig. 9. [in Chinese]

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Fig. 10. [in Chinese]

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	Spherical aberration	Coma	Astigmatism	Field curvature	Distortion
Refractive sphere surface	a_ss	a_cs	a_as	a_ds	a_ts
Refractive conic surface	a_sc	a_cc	a_ac	a_dc	a_tc

Table 1. [in Chinese]

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Parameter	Value
Band range/μm	3–5
NA	0.125
System F#	4.0
Detector image	640×480
Pixel size/μm	15

Table 2. [in Chinese]

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	Φ₁(f₁′=20 mm)		Φ₂(f₂′=20 mm)
	1	2	3	4
Material	Si	Ge	Ge	Si
Focal length/mm	11.186	−25.381	−25.381	11.186
Curvature radius of the front surface/mm	54.260	−153.528	−153.528	54.260
Curvature radius of the back surface/mm	−54.260	153.528	153.528	−54.260

Table 3. [in Chinese]

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Surf: Type	Radius/mm	Thickness/mm	Material
OBJ standard	Infinity	14.343
1 standard	−92.197	2.000	Germanium
2 standard	51.657	2.139
3 standard	−225.229	4.000	Silicon
4 standard	−24.218	26.000
5 standard	44.422	2.000	Germanium
6 standard	30.170	1.500
7 standard	84.877	3.000	Silicon
8 standard	−59.564	7.596
9 standard	Infinity	1.000	Silicon
10 standard	Infinity	2.000
11 standard	Infinity	0.300	Germanium
12 standard	Infinity	0.500
STO standard	Infinity	20.270
IMA standard	Infinity	−

Table 4. [in Chinese]

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Surf: Type	Radius/mm	Thickness/mm	Material
OBJ standard	Infinity	12.791
1 standard	50.549	4.000	Germanium
2 standard	29.345	1.072
3 standard	−92.994	3.900	Silicon
4 standard	−25.535	18.500
5 standard	53.868	2.800	Germanium
6 standard	30.813	1.682
7 standard	86.243	2.900	Silicon
8 standard	−39.279	2.236
9 standard	Infinity	1.000	Silicon
10 standard	Infinity	2.000
11 standard	Infinity	0.300	Germanium
12 standard	Infinity	0.500
STO standard	Infinity	20.270
IMA standard	Infinity	−

Table 5. [in Chinese]

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	Radius/mm	Thickness/mm
Conventional method	50.638-51.657	2.139-2.189
Lower aberration compensation method	28.961-29.345	1.072-1.122

Table 6. [in Chinese]

Zhiying Liu, Zhiyang Lv, Liuxu Gao. Design method of infrared microscope optical system with lower aberration compensation[J]. Infrared and Laser Engineering, 2021, 50(2): 20200153

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