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11 April 2024 Advanced glass processing creating high-power fiber lasers for directed energy applications
Donald Sipes
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Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC129390N (2024) https://doi.org/10.1117/12.3013086
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States
Abstract
The Modern Directed Energy HEL is nearly entirely based on the combined fiber laser array. These lasers are compact, rugged, low SWAP with high beam performance. Currently at 2-3kW of near diffraction limited output, they are imminently scalable from 10kW CUAS lasers to 1MW strategic lasers. OEI has been utilizing its decades long expertise in fiber glass processing to create lasers that have even higher levels of performance while greatly reducing the structural overhead currently required for laser and beam control. In this talk OEI will survey the current state of the art in DE Laser Fiber laser glass processing in areas including cleaving, tapering, etching and splicing, and thermal management and mode stripping well as future developments in combiners, mode adapters, and -65dB kW tap couplers. System enhancements such as monolithic fiber laser control, advanced output structures, as well as fiber array passive alignment, and novel structures such as the Counter Pumped Tapered End Cap (CPTEC) and the Fly’s Eye Fiber Laser Array (FEFLA) will also be discussed.
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© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Donald Sipes "Advanced glass processing creating high-power fiber lasers for directed energy applications", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC129390N (11 April 2024); https://doi.org/10.1117/12.3013086
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KEYWORDS
Fiber lasers
Glass processing
Directed energy weapons
High power fiber lasers
Laser processing
Beam controllers
Structured optical fibers
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