Yuji Zhu, Dayi Yin, Yonghe Chen, Baichuan Ren. Design of Hyperspectral Resolution Ultraviolet Offner Imaging Spectrometer System[J]. Acta Optica Sinica, 2018, 38(2): 0222001
- Acta Optica Sinica
- Vol. 38, Issue 2, 0222001 (2018)
Fig. 1. Schematic diagram of Offner configuration
Fig. 2. Schematic diagram of spectral imaging system with convex grating based on Offner configuration
Fig. 3. Optical configuration diagram of (a) initial and (b) optimized Offner convex grating spectral imaging system
Fig. 4. Spot diagram of the initial configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the initial configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm
Fig. 5. Spot diagram of the optimized configuration with the wavelength of (a) 0.25 μm, (b) 0.325 μm, (c) 0.4 μm; MTF curves of the optimized configuration with the wavelength of (d) 0.25 μm, (e) 0.325 μm, (f) 0.4 μm
Fig. 6. (a) Maximum smile and (b) maximum keystone of the initial configuration at different wavelengths
Fig. 7. (a) Maximum smile and (b) maximum keystone of the optimized configuration at different wavelengths
Fig. 8. Encircled energy curves of the initial configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm
Fig. 9. Encircled energy curves of the optimized configuration at central and edge wavelengths. (a) Edge wavelength of 250 nm; (b) central wavelength of 325 nm; (c) edge wavelength of 400 nm
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Table 1. Main design parameters of the system
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Table 2. Optical structural parameters of the initial Offner convex grating spectral imaging system
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Table 2. Structural parameters of the optimized Offner convex grating spectral imaging system
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