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1 April 2022 Study of pointing stabilization unit for femtosecond fiber beam delivery system
Ivan Gusachenko, Clément Jacquard, Benoít Beaudou, Pierre Guay, Gwenn Pallier, Guillaume Labroille, Fetah Benabid
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Proceedings Volume PC11991, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXII; PC119910D (2022) https://doi.org/10.1117/12.2614763
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Micro processing applications using femtosecond lasers have developed thanks to the quality of the process. A challenge still to be addressed is the capability to deliver the beam through a fibre. One solution is the use of hollow-core inhibited coupling fibres, nevertheless its use requires a beam stabilization to insure a stable operation. This study attempts to qualify two beam stabilisation systems: two piezo motors coupled with four quadrant detectors and Cailabs’ all-optical mode-cleaner system based Multi-Plane Light Conversion (MPLC) technology. To do such output fibre transmission efficiency and beam quality are investigated under controlled fluctuation of beam pointing.
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Ivan Gusachenko, Clément Jacquard, Benoít Beaudou, Pierre Guay, Gwenn Pallier, Guillaume Labroille, and Fetah Benabid "Study of pointing stabilization unit for femtosecond fiber beam delivery system", Proc. SPIE PC11991, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXII, PC119910D (1 April 2022); https://doi.org/10.1117/12.2614763
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KEYWORDS
Beam shaping
Microfluidics
Laser welding
Pulsed laser operation
Laser development
Laser optics
Laser scanners
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