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High-Power 8xx nm Fiber-Coupled Diode Laser (PDF, 0.21 MB)
JDSU's highly reliable 2495-L3 Series diodes offer 4.0 W of laser power from a 100 μm fiber into a 0.2 numerical aperture (NA) at 808 nm. It is an ideal source for pumping solid-state materials such as, Nd: YAG and Nd: Vanadate. In addition, a 4.5 W version is available at 812 nm for applications with broader wavelength tolerances such as, medical and dental. The L3 package incorporates a telecommunications design in a commercial product.
The L3 multimode pump module is based on single-emitter diode lasers and allows for a radical departure from standard bar-based pumping architectures.Hundreds of Watts of highly reliable pump power can be easily achieved with a distributed architecture using multiple L3 and a multimode fiber coupler or fiber bundle. In a distributed architecture, "cascading" failure modes are avoided, and ensemble statistics can be used to predict pump assembly lifetimes. The L3 multimode pump module eases thermal management by distributing the diode lasers (heat sources), allowing for a simple air- or water-cooled architecture in laser pumps and directdiode applications.
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