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Fiber-Coupled, Multi-Bar Modules
Oct 2009
DILAS Diodenlaser GmbHRequest Info
MAINZ, Germany, Oct. 26, 2009 – Dilas has announced its newest fiber-coupled multibar modules that deliver up to 300-W output from a 200-µm core diameter fiber at 976 nm.

Dilas_Multi-BarModule.jpgThey feature high brightness and power and have a compact footprint and a convenient aiming beam. The cladding mode-free QBH high-power fiber has a low numerical aperture of <0.20 and wall plug efficiency of >35%. Packaged in up to 10-bar configurations, these designs are based on industry standard conductively cooled bars that are optically stacked and polarization-coupled. The modules operate over a temperature range from 20 to 35 °C and require only industrial water for cooling.

Achieving high efficiency, they have demonstrated a lifetime greater than 10,000 h under 300-W continuous-wave operating conditions.

Center wavelength tolerance is ±3 nm, spectral width is 5 nm FWHM, slope efficiency is >7 W/A, and power conversion efficiency is >35%. Operating current is <60 A, threshold current is <10 A, and operating voltage is <20 V.

Custom wavelengths are available upon request. The modules are suitable for direct diode applications as well as for fiber and solid-state laser pumping.

For further information, visit:  

Galileo-Galilei Strasse 10
D-55129 Mainz, Hechtsheim
Phone: +49 6131 9226 0
Fax: +49 6131 9226 253


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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