Researching | Calibration Method of Tertiary Spectrum for Broadband Optical Systems

Acta Optica Sinica, Volume. 38, Issue 11, 1122002(2018)

Calibration Method of Tertiary Spectrum for Broadband Optical Systems

Jingfeng Wang^** and Qingfeng Cui^*

Author Affiliations

College of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China

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Figures&Tables (9)

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Figures & Tables(9)

Fig. 1. Spectra. (a) Primary; (b) secondary; (c) tertiary, S-shaped; (d) tertiary, W-shaped

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Fig. 2. Schematic of thin lens system

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Fig. 3. Splitting and stitching of frequency bands

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Fig. 4. Flow chart of glass combination selection methods

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Fig. 5. Structural diagram of optical system

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Fig. 6. Imaging performances of optical system. (a) Spot diagram; (b) distortion; (c) MTF

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Fig. 7. Chromatic focal shift

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Table 1. Specifications for optical system
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Table 1. Specifications for optical system
Parameter Requirement
EFL /mm 400
Field of view /(°) ±5
F number 6
Spectral waveband /μm 0.45-1.014
MTF Close to diffraction limit

Table 2. Optical glass combination parameters

Table 2. Optical glass combination parameters

N	Mark 1	Mark 2	Mark 3	Φ₁	Φ₂	Φ₃	$\begin{matrix} \bar{F} \end{matrix}$	d /(10^-2 mm)	ΔL' $\begin{matrix} {_{Sn}}_{} \end{matrix}$ /10^-4	Δ $\begin{matrix} {L_{FC}}_{} \end{matrix}$ /10^-4
70	H-FK61	H-BAK7	H-ZF62	3.70	-2.79	0.1	6.59	3.07	2.33	5.89
74	H-FK61	H-BAK7	H-ZF88	3.70	-2.77	0.08	6.55	4.08	2.34	6.81
34	H-FK61	H-ZF62	H-BAK8	4.23	0.14	-3.38	7.75	4.40	2.49	-12.5
45	H-FK61	H-ZF52	H-BAK8	4.27	0.18	-3.46	7.91	4.44	2.49	-17.8
119	H-FK61	H-ZF88	H-BAK8	4.22	0.11	-3.34	7.67	6.10	2.50	20.0
︙	︙	︙	︙	︙	︙	︙	︙	︙	︙	︙

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Jingfeng Wang, Qingfeng Cui. Calibration Method of Tertiary Spectrum for Broadband Optical Systems[J]. Acta Optica Sinica, 2018, 38(11): 1122002

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Paper Information

Category: Optical Design and Fabrication

Received: May. 18, 2018

Accepted: Jun. 13, 2018

Published Online: May. 9, 2019

The Author Email:

DOI:10.3788/AOS201838.1122002

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology