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13 March 2024 Adaptive laser writing for three-dimensional fabrication of functional devices
Martin J. J. Booth, Patrick Salter
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Proceedings Volume PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII; PC128980J (2024) https://doi.org/10.1117/12.3004220
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Adaptive optics allows for spatial control over the phase and intensity of a laser beam, making it a powerful tool to assist ultrashort pulse laser machining. Optical aberrations caused by refraction at interfaces distort the laser focus, compromising resolution and fabrication efficiency. We show how the aberrations can be dynamically compensated using adaptive optics, such as liquid crystal spatial light modulators, for improved manufacturing of functional devices. Examples include fabrication of waveguide circuits in a range of materials, fiber based Bragg sensors for harsh environments, diamond based electronics and compact tunable liquid crystal devices.
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Martin J. J. Booth and Patrick Salter "Adaptive laser writing for three-dimensional fabrication of functional devices", Proc. SPIE PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII, PC128980J (13 March 2024); https://doi.org/10.1117/12.3004220
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KEYWORDS
Fabrication
Adaptive optics
Optical aberrations
Pulsed laser operation
Liquid crystals
Manufacturing
Refraction
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