Infrared and Laser Engineering, Volume. 53, Issue 3, 20230582(2024)
A fast calculation method for deflection angles of dual fast steering mirrors for beam pointing control
Figures & Tables(11)
Fig. 1. Schematic diagrams of (a) displacement of position, (b) displacement of angle and (c) displacement of position and angle
Fig. 2. Schematic diagram of beam direction control system based on dual fast steering mirrors
Fig. 3. Example of (a) angle and (b) position decoupled optical path
Fig. 4. Statistical diagram of (a) PSD1 and (b) PSD2 spot position deviation
Fig. 9. Comparison between SNN and ICS in the simulation environment
Table 1. Initial status of the optical component
View tableView in ArticleTable 1. Initial status of the optical component
FSM1 FSM2 BS1 BS2 M1 ${x}_{ { {\boldsymbol{X} } }_{{\boldsymbol{p}}} }$ 0 200 200 200 100 ${y}_{ {{\boldsymbol{X}}}_{{\boldsymbol{p}}} }$ −100 −100 0 200 200 ${z}_{ {{\boldsymbol{X}}}_{{\boldsymbol{p}}} }$ 0 0 0 0 0 ${A}_{ {{\boldsymbol{n}}}_{{\boldsymbol{s}}} }$ $ \sqrt{2}/2 $ $ -\sqrt{2}/2 $ $ \sqrt{2}/2 $ $ -\sqrt{2}/2 $ $ \sqrt{2}/2 $ ${B}_{ {{\boldsymbol{n}}}_{{\boldsymbol{s}}} }$ $ \sqrt{2}/2 $ $ \sqrt{2}/2 $ $ -\sqrt{2}/2 $ $ -\sqrt{2}/2 $ $ \sqrt{2}/2 $ ${C}_{ {{\boldsymbol{n}}}_{{\boldsymbol{s}}} }$ 0 0 0 0 0
Table 2. Statistical results of experimental data
View tableView in ArticleTable 2. Statistical results of experimental data
Unregulate SNN ICS Position deviation range of PSD1/μm ±[51.83, 44.47] ±[0.35, 0.24] ±[0.45, 0.32] Angle deviation range of PSD2/μrad ±[236.60, 179.98] ±[2.20, 1.84] ±[3.00, 2.11] Max $ {e}_{syn} $ 251.75 1.66 2.06 Min $ {e}_{syn} $ 6.45 0.07 0.04 Mean $ {e}_{syn} $ 90.70 0.76 0.72 Average iteration - 1 9.09
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Zefan Huang, Yanwei Li, Hongbo Xie, Rui Yang, Jiarong Gu, Xinwang Xie. A fast calculation method for deflection angles of dual fast steering mirrors for beam pointing control[J]. Infrared and Laser Engineering, 2024, 53(3): 20230582
Paper Information
Category: Optical design
Received: Oct. 18, 2023
Accepted: --
Published Online: Jun. 21, 2024
The Author Email: Li Yanwei (yanwei201314@163.com)
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