Linzheng Wang, Hua Zou, Shuo Huang, Hang Zhang, Shiyu Zhao. Closed-loop control method of optical fiber positioning of center-opening four-quadrant detector[J]. Infrared and Laser Engineering, 2020, 49(6): 20190466
- Infrared and Laser Engineering
- Vol. 49, Issue 6, 20190466 (2020)
Fig. 1. Schematic diagram of the focal plane structure of the 4-Q detector
Fig. 2. Center-drilled 4-Q detector
Fig. 3. Experimental system based on center-drilled 4-Q detector
Fig. 4. Schematic diagram of the virtual area of the center-drilling on the 4-Q detector
Fig. 5. P-P plot of the measured data X and Y calculated using the beam waist
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Table 1. Measurement data of the beam waist radius
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Table 2. Experimental results of waist radius determination
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Table 3. Center-opening 4-Q detector simulation sampling data
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Table 4. Simulation results of the center-drilled 4-Q detector
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