Email this article Laser Focusing System
- Authors: Shishkin I.P.1, Shkadarevich A.P.1
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Affiliations:
- Laser Focusing System
- Issue: Vol 17, No 5 (2023)
- Pages: 366-370
- Section: Lasers & Laser Systems
- URL: https://journals.eco-vector.com/1993-7296/article/view/628286
- DOI: https://doi.org/10.22184/1993-7296.FRos.2023.17.5.366.370
- ID: 628286
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Abstract
The design of an optical system for focusing a laser beam with an extremely small spot size in a wide range of distances from 50 m to 2 km is presented. Difficulties with controlling the laser beam and focusing it are reduced by using a circuit with a laser beam expander.
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About the authors
Igor P. Shishkin
Laser Focusing System
Author for correspondence.
Email: journal@electronics.ru
ORCID iD: 0000-0002-4592-1060
Cand.of Sc.(Engin.)
Belarus, MinskAleksey P. Shkadarevich
Laser Focusing System
Email: journal@electronics.ru
Dr. of Sc.(Phys.&Math.)
Belarus, MinskReferences
- Patent RU2167444. 20.05.2001. A telescopic system for focusing laser radiation / Potapova N. I., Tsvetkov A. D.
- Caron J., Baumer S. Progress in aberration theory fo freeform off-axis mirror systems. Proceedings International Optical Design Conference – 2021 (IODS-2021). 2021; 120780G. https://doi.org/10.1117/12.2603625, 12078.
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Fig. 1. Two–lens collimator: a – option 1, b – option 2
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Fig. 2. Ray aberrations: a – option 1, b – option 2
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Fig. 3. Beam expander diagram
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Fig.4. Two- mirror collimator
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Fig.5. Dependence of the point size on the mirror diameter
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Fig. 6. Three-mirror collimator
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