Haiyan Luo, Xuejing Fang, Guangxiao Hu, Hailiang Shi, Wei Xiong. Hyper-Resolution Spatial Heterodyne Spectrometer for Hydroxyl Radical OH[J]. Acta Optica Sinica, 2018, 38(6): 0630003

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- Acta Optica Sinica
- Vol. 38, Issue 6, 0630003 (2018)

Fig. 1. (a) Schematic of principle of optics in dispersive cross section and (b) schematic of principle of optics in 1-D imaging direction

Fig. 2. Ray trace of transmission arm in wedge principle section

Fig. 3. Ray trace of imaging lens

Fig. 4. (a) Distortion and (b) spot diagram of imaging lens

Fig. 5. Ray trace of fore cylindrical lens and collimating lens

Fig. 6. Spatial spot diagram of fore-lens

Fig. 7. Spatial modulation transfer function of fore-lens

Fig. 8. Sun observation by hyper-resolution spectrometer for mesospheric OH radical

Fig. 9. (a) Original interferogram; (b) experimental and simulated spectra; (c) residual of experimental and simulated spectra

Fig. 10. Enlarged (a) spectra and (b) residual of experimental and simulated spectra
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Table 1. Parameters of spatial heterodyne interference unit
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Table 2. Design specifications of SHS for hydroxyl radical OH

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