Hangxin JI, Guoxin BA, Jun LI, Haoran YU. Optical Design of a High-efficiency Medium-low Dispersion Spectrograph with Wide-band Based on FOSC Type（Invited）[J]. Acta Photonica Sinica, 2023, 52(5): 0552206
- Acta Photonica Sinica
- Vol. 52, Issue 5, 0552206 (2023)
Fig. 1. The working principle of the double channel spectrograph based on FOSC type
Fig. 2. The working principle of two straight-through GRISMS
Fig. 3. The optical layout of the double channel multi-mode spectrograph
Fig. 4. The spot diameter of different wavelength at 4 spectral modes in the blue channel
Fig. 5. The spot diameter of different wavelength at 4 spectral modes in the red channel
Fig. 6. Different straight- through grisms，the relationship between spectral resolution and wavelength（left），the relationship between the spectrum position on the CCD in dispersion direction and wavelength（right）
Fig. 7. The spectrograph efficiency curve with different straight-through grisms（GRISM or VPHG）
Fig. 8. The camera design comparison for the red channel of multi-mode astronomical spectrometer
Fig. 9. The spot diameter of different wavelength at 4 spectral modes in the red channel with curved detector
|
Table 1. The main requirements of the double channel medium-low dispersion spectrograph
|
Table 2. The initial configuration parameters of the spectrograph
|
Table 3. The main parameters of grisms for the blue & red-channel
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20