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Advanced Pumping with Ultra-High Brightness Diode Lasers
Turn-key systems from DirectPhotonics Industries provide up to 600 W at 976 nm.
The growing market demand for economical and efficient kW-laser systems for material processing has direct implications on the development of diode lasers. An improvement in parameters such as brightness, output power, wall-plug efficiency and price is mandatory. Multiple single emitter (MSE) modules are a promising response to this demand, they allow the highest power and the development of ultra-high brightness diode lasers based on standard broad-area diodes. Using MSE technology, DirectPhotonics Industries have developed a series of new industry-grade diode laser systems.
Turn-key systems from DirectPhotonics Industries provide up to 600 W at 976 nm from a 200 μm fiber, 0.22 NA. A 1-kW solution (100 μm fiber, 0.15 NA) is expected in the beginning of Q1, 2013. Wavelength stabilization to less than 0.5 nm with volume Bragg gratings (VBG) enables efficient pumping also for lasers with a narrow absorption spectrum, and is especially suited for pulsed fiber lasers and resonant pumping. Dichroic mirrors are used for dense spectral beam combining of 4 channels within 10 nm. Control and drive electronics are integrated into the platform and represent a basic building block for a variety of systems, such as a flexible standalone system or various 19-inch rack configurations for applications in laser pumping or laser testing. The technologies can be transferred to other wavelengths including 808 nm, 9XX nm, 14XX or 15XX nm.
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