Lü Xin, Mingyao Zhu, Keyu Pan, Mingbo Chi, Yihui Wu. Stray Light Suppression of Single-Cell Raman Spectrometer[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1923003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 19, 1923003 (2023)
Fig. 1. System structure. (a) Schematic diagram; (b) simulation diagram
Fig. 2. Mechanical assembly drawing of the Raman spectrometer system
Fig. 3. Main distribution of stray light
Fig. 4. Ray tracing diagrams of Raman spectrometer system before adding the suppression structure. (a) 530 nm; (b) 710 nm; (c) 880 nm
Fig. 5. Schematic diagrams of optical trap parameter calculation. (a) Overall design of optical trap; (b) 90° angle optical trap; (c) non-90° angle optical trap
Fig. 6. Mechanical assembly drawing after adding the suppression structure
Fig. 7. Ray tracing diagrams of Raman spectrometer system after adding the suppression structure. (a) 530 nm; (b) 710 nm; (c) 880 nm
Fig. 8. Stray radiation ratios at different wavelengths
Fig. 9. Irradiance analysis of detector surface before and after adding the suppression structure at the central wavelength of 568 nm. (a) Before adding the suppression structure; (b) after adding the suppression structure
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Table 1. Performance parameters of the Raman spectrometer
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Table 2. Simulation parameters of the Raman spectrometer
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