Daojing LI, Kai ZHOU, Hao ZHENG, Jinghan GAO, Yanling SUN, Anjing CUI, Jiang WU. Laser Local Oscillator Infrared Spectral Interferometry Imaging and Its Application Prospect for Shipborne Astronomy （Invited）[J]. Acta Photonica Sinica, 2021, 50(2): 1
- Acta Photonica Sinica
- Vol. 50, Issue 2, 1 (2021)
Fig. 1. The principle of phase array of Fizeau structure
Fig. 2. Laser local oscillator and infrared coherent detection interferometry imaging structure
Fig. 3. Nano optical waveguide laser local oscillator array detector structure
Fig. 4. The azimuth and elevation direction interferometry phase based on orthogonal baseline and the interferometry imaging results after phase unwrapping
Fig. 5. Schematic diagram of the layout of the infrared interferometry imaging system with 10 m baseline and 2 m aperture suspended in the belly
Fig. 6. Schematic diagram of the layout of the infrared interferometry imaging system with 10 m baseline and 2 m aperture suspended on the top of the airship
Fig. 7. Infrared imaging optical path diagram based on diffractive optical system
Fig. 8. Signal processing flowchart of infrared spectrum interferometry imaging
Fig. 9. Comparison of two interferometry fringes with or without autocorrelation
Fig. 10. Schematic diagram of the optical path of the diffractive optical system
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Table 1. Main indicators of 10 m baseline 2 m diffraction aperture infrared interferometry imaging system
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