22 April 2016 Teradiode's high brightness semiconductor lasers
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Abstract
TeraDiode is manufacturing multi-kW-class ultra-high brightness fiber-coupled direct diode lasers for industrial applications. A fiber-coupled direct diode laser with a power level of 4,680 W from a 100 μm core diameter, <0.08 numerical aperture (NA) output fiber at a single center wavelength was demonstrated. Our TeraBlade industrial platform achieves world-record brightness levels for direct diode lasers. The fiber-coupled output corresponds to a Beam Parameter Product (BPP) of 3.5 mm-mrad and is the lowest BPP multi-kW-class direct diode laser yet reported. This laser is suitable for industrial materials processing applications, including sheet metal cutting and welding. This 4-kW fiber-coupled direct diode laser has comparable brightness to that of industrial fiber lasers and CO2 lasers, and is over 10x brighter than state-of-the-art direct diode lasers. We have also demonstrated novel high peak power lasers and high brightness Mid-Infrared Lasers.
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Robin K. Huang, Bien Chann, James Burgess, Bryan Lochman, Wang Zhou, Mike Cruz, Rob Cook, Dan Dugmore, Jeff Shattuck, Parviz Tayebati, "Teradiode's high brightness semiconductor lasers", Proc. SPIE 9730, Components and Packaging for Laser Systems II, 97300C (22 April 2016); doi: 10.1117/12.2218168; https://doi.org/10.1117/12.2218168
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