Zhengshuang Dai, Lun Jiang, Zhihua Song, Tianjun Dai, Xin Yu, Chao Wang, Yansong Song, Shoufeng Tong. Coherent Detection Mixing Systems with Shaping Elements[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0706001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 7, 0706001 (2021)
Fig. 1. Mixing efficiency of the local oscillator light and signal light
Fig. 2. Schematic diagram of the working principle of the optical mixer and the corresponding coordinate
Fig. 3. Schematic diagram of the optical mixer with shaping elements
Fig. 4. Overall structure of the optical system
Fig. 5. Structure of the beam expanding collimator lens group
Fig. 6. Structure of the beam-shrinking and shaping lens group
Fig. 7. Amplitude distributions of the local oscillator light and signal light after optimization
Fig. 8. Fitting effect of the local vibration curve
Fig. 9. Fitting effect of the signal light curve
Fig. 10. Effect of the ratio of the waist radius on the mixing efficiency
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Table 1. High-order even-order parameters of the aspheric mirrors
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