Zhikun Wu, Entao Shi, Yongmei Wang. Design of PGP imaging spectrometer with eliminating spectral line bending[J]. Infrared and Laser Engineering, 2021, 50(6): 20200433
- Infrared and Laser Engineering
- Vol. 50, Issue 6, 20200433 (2021)
Fig. 1. The geometry of incident ray
Fig. 2. Principle of the PGP component
Fig. 3. Smile distortion with x -field
Fig. 4. Optical layout of improved PGP imaging spectrometer system
Fig. 5. RMS spot with wavelength
Fig. 6. Diffractive MTF curves of central wavelength
Fig. 7. Smile distortion with normalized x -field
Fig. 8. Keystone distortion with wavelength
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Table 1. Design parameters of PGP imaging spectrometer
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Table 2. Parameters of the improved PGP component
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Table 3. Allowable tolerance of optical system
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