Laser & Optoelectronics Progress, Volume. 61, Issue 13, 1308001(2024)
Analysis and Correction Algorithm of Pincushion Distortion in Galvanometer Scanning
Fig. 4. Relationship between driving voltage and rotation angle of galvanometer X
Fig. 5. Relationship between driving voltage and rotation angle of galvanometer Y
Fig. 7. Scanning path of galvanometer after correction (vertical spacing is 30 cm)
Fig. 9. Scanning path of galvanometer after correction (vertical spacing is 3 m, galvanometer X scanning frequency is 50 Hz, galvanometer Y scanning frequency is 1 Hz)
Fig. 10. Scanning path of galvanometer after correction (vertical spacing is 5 m, galvanometer X scanning frequency is 20 Hz, galvanometer Y scanning frequency is 1 Hz)
Fig. 11. Scanning path of galvanometer before correction (vertical spacing is 5 m). (a) 25 Hz; (b) 50 Hz; (c) 75 Hz
Fig. 12. Scanning path of galvanometer after correction (vertical spacing is 5 m). (a) 25 Hz; (b) 50 Hz; (c) 75 Hz
Fig. 14. Actual scanning path of galvanometer before correction (vertical spacing is 37 cm)
Fig. 15. Actual scanning path of galvanometer after correction (vertical spacing is 37 cm)
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Yutao Ding, Jun Zhang, Yao Guo, Hao Chen. Analysis and Correction Algorithm of Pincushion Distortion in Galvanometer Scanning[J]. Laser & Optoelectronics Progress, 2024, 61(13): 1308001
Category: Geometric Optics
Received: Jul. 24, 2023
Accepted: Oct. 17, 2023
Published Online: Jul. 17, 2024
The Author Email: Jun Zhang (junzhang8819@gmail.com)
CSTR:32186.14.LOP231782