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100 W high-brightness highly-manufacturable low-SWaP multiemitter blue laser diode source

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100 W high-brightness highly-manufacturable low-SWaP multiemitter blue laser diode source

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  • Author: G. Pippione, S. Codato, C. Coriasso, F. Gaziano, P. Gotta, A. Maina, P. De Melchiorre, G. Meneghinia, G. Morello, E. Riva, M. Rosso, A. Stano, R. Paolettia, P. Sanna, A. Mirigaldib, V. Serafinib, G. Perroneb, M. Riva
This paper describes the family of blue laser modules developed in Convergent Photonics, relying on a proprietary architecture of spatial and polarization multiplexing and making use of the same platform and assembly lines of similar 9xx nm laser diode multi-emitters. This proprietary technology leads to high emitted power, together with unprecedented - for blue laser sources - low SWaP (Size Weight and Power consumption) and high brightness, suitable for a cost reduction over high volume productions. Present realization is an extremely compact (53 mm x 138 mm x 14.6 mm) laser source, based on a spatial and polarization multiplexing of 20 diodes, with a 114 um core / 125 um cladding multimode fiber output. Prototypes demonstrated power in excess of 100 W at 450 nm, with 95 % of emitted power filling only 0.15 numerical aperture

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