Guanglie Hong, Yanbo Zhou, Wei Yan, Wuhu Lei, Rong Shu. Field-Widening Technology of Mach-Zehnder Interferometer in Doppler Wind Lidar[J]. Acta Optica Sinica, 2019, 39(6): 0628001
- Acta Optica Sinica
- Vol. 39, Issue 6, 0628001 (2019)
Fig. 1. Doppler wind lidar system based on MZI
Fig. 2. Principle diagram of quadrichannel MZI
Fig. 3. Transmission of quadrichannel MZI
Fig. 4. Interference contrast of MZI versus laser linewidth
Fig. 5. Wind detection error versus interference contrast in dual-channel MZI
Fig. 6. Schematic of ‘cat’s eye’ optical system
Fig. 7. Schematic of light’s oblique incidence to parabolic mirror in ‘cat’s eye’ optical system
Fig. 8. ROP(φ)-ROP0 versus x0, p, y0, and φ. (a) φ=5 mrad, p=200 mm, y0=20 mm; (b) φ=5 mrad, x0=200 mm, y0=20 mm; (c) φ=5 mrad, x0=200 mm, p=200 mm; (d) x0=200 mm, y0=20 mm, p=200 mm
Fig. 9. Constructed large field of view MZI with large optical-path difference
Fig. 10. Transmission spectra of field-widened quadrichannel MZI
Fig. 11. Transmission spectra of dual-channel MZI before and after field-widening
Fig. 12. Backscattering coefficient profiles of aerosols and atmospheric molecules
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