Yi LU, Wanjie REN, Guojian GUO, Xinran YOU, Guoxing HU, Lijun WU, Xun SUN. Optical system design of spectrometer with double Rowland circle structure[J]. Journal of Applied Optics, 2022, 43(3): 415
- Journal of Applied Optics
- Vol. 43, Issue 3, 415 (2022)
Fig. 1. Optical structure diagram of Rowland circle
Fig. 2. Overall design of optical path of double Rowland circle
Fig. 3. Diagram of optical path from plane-convex mirror to incident slit
Fig. 4. Structure simulation diagram and imaging plane spot diagram of Rowland circle in wavelength range of 500 nm~700 nm
Fig. 5. Structure simulation diagram and imaging plane spot diagram of Rowland circle in wavelength range of 200 nm~500 nm
Fig. 6. Effect of position of signal receiving device on aberration
Fig. 7. Signal acquisition device and its placement
Fig. 8. Spot diagram of 253.65 nm and 253.25 nm spectral lines with different slit widths
Fig. 9. Spot diagram of full-band characteristic and edge spectral lines of spectrometer
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Table 1. Wavelength range of each line number at incident angle of 40°
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Table 2. Maximum spectral range detected at different incident angles
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Table 3. Position distance parameters of each component of optical path in wavelength range of 500 nm~700 nm
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Table 4. Comparison of maximum aberration of initial and optimal structures
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