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1 November 2024 61 channel high power coherent beam combination module
Callum Wreford, Paul Graham, Chris Courtney, Natalia Trela-McDonald
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Proceedings Volume PC13201, High-Power Lasers and Technologies for Optical Countermeasures II; PC1320108 (2024) https://doi.org/10.1117/12.3031494
Event: Security + Defence, 2024, Edinburgh, United Kingdom
Abstract
We have previously presented a very low size, weight and power (SWaP) rugged coherent beam combiner assembly designed for LDEW systems. This module used our monolithic, freeform array optics to create a collimated, shaped and tiled array that allowed for greatly increased power-in-bucket (PiB) compared to traditional gaussian beam systems. We now present a design solution increasing the channel count from 7 to 61, with detailed modelling of the return loss and thermal effects when the entire module is subject to a total input optical power of 183kW. Furthermore, we propose the design of a high-power endcap fiber array to support the complete assembly which will allow for >3kW power level per channel.
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Callum Wreford, Paul Graham, Chris Courtney, and Natalia Trela-McDonald "61 channel high power coherent beam combination module", Proc. SPIE PC13201, High-Power Lasers and Technologies for Optical Countermeasures II, PC1320108 (1 November 2024); https://doi.org/10.1117/12.3031494
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KEYWORDS
Coherent beam combination
Design
Laser development
Laser manufacturing
Laser processing
Laser systems engineering
Manufacturing
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