Optical design of PG imaging spectrometer with large aperture and surface field

Jin, 杨晋 Yang; Rui, 张锐 Zhang; Ming-zhong, 潘明忠 Pan; Ji-cheng, 崔继承 Cui

doi:10.3788/ope.20172504.0867

Cited by 2 publications

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“…Detection of the intensity information of Earth-Moon space targets can be achieved through large-aperture optical imaging lenses, while spectral dimension detection requires a high-spectral resolution imaging spectrometer [1][2][3]. However, current high-spectral resolution imaging spectrometers require a specific scanning method to obtain the required complete data cube, which wastes a lot of observation time.…”

Section: Introductionmentioning

confidence: 99%

Analysis and Optical System Design of the Lenslet-Array Integral Field Spectrometer

Liu,

Cui,

Shi

et al. 2023

Photonics

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To address the problem of slit limitation in traditional slit imaging spectrometers, which hampers fast the identification, efficient tracking, and precise avoidance of faint targets in lunar orbit, this article proposes a lenslet-array integral field spectrometer structure that is free of slits, static, and that is fast and efficient for the visible-to-near-infrared wavelength band. Firstly, the field of view segmentation model is analyzed, and the requirement of the telecentric degree of the pre-imaging system is obtained. Secondly, the influence of aberrations, such as spherical aberration and coma distortion on the micro-pupil dispersion model is analyzed. Based on this, the pre-imaging system is designed to meet the requirements of aberration correction and the telecentricity of the system. Finally, the structure of the spectral system is designed, and the integrated system is optimized. The smile of the lenslet-array integral field spectrometer is ±1 nm, and the MTF is greater than 0.7 at 60 lp/mm and close to the diffraction limit.

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Section: Introductionmentioning

confidence: 99%

Analysis and Optical System Design of the Lenslet-Array Integral Field Spectrometer

Liu,

Cui,

Shi

et al. 2023

Photonics

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Wide-field grating-prism imaging spectrometer: optical design and implementation

Wei

Zhou

et al. 2021

Appl. Opt.

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A wide-field imaging spectrometer based on a grating prism is proposed. The grating and prism parameters are discussed to balance spectral distortion over the entire band. The design method of the grating-prism (GP) dispersive module and the catadioptric optics of the spectrometer are discussed in detail. A high optical speed (F/2.4) and long slit (29.4 mm) visible and near-infrared design with high image quality and small distortion is presented. The results show that the optical performance of the GP imaging spectrometer is excellent. The tolerance analysis indicates that the GP spectrometer can be easily manufactured and implemented. The prototype has been tested in the laboratory and outdoors, and the results confirmed that the design will be useful in the fields of aeronautics and astronautics.

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Optical design of PG imaging spectrometer with large aperture and surface field

Cited by 2 publications

References 0 publications

Analysis and Optical System Design of the Lenslet-Array Integral Field Spectrometer

Analysis and Optical System Design of the Lenslet-Array Integral Field Spectrometer

Wide-field grating-prism imaging spectrometer: optical design and implementation

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