Enhanced fiber coupled laser power and brightness for defense applications through tailored diode and thermal design

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Advances in both diode laser design and packaging technology, particularly thermal management, are needed to enhance the brightness of fiber coupled diode lasers while maintaining the small size and light weight required for defense applications. The principles of design for high efficiency fiber coupling are briefly covered. Examples are provided of fielded and demonstrated 100 and 200 micron diameter fiber coupled packages ranging in output from a few hundred to kW-class units in fibers, to include sub-kg/kW capabilities.

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Enhanced fiber coupled laser power and brightness for defense applications through tailored diode and thermal design

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