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Fiber-Coupled Diode Laser Bars
Mar 2009
DILAS Diodenlaser GmbHRequest Info
MAINZ, Germany, March 12, 2009 – Dilas has launched a family of conduction-cooled high-power fiber-coupled diode laser bars that produce an unpolarized optical output beam.

Within the fiber-coupled architecture, the company uses a polarization scrambler to achieve random polarization. With a degree of polarization of <0.1, the modules are suitable for use by systems integrators in OEM applications, including fiber laser pumping, medical treatments and materials processing. 

DILAS-Fiber-Coupled-Laser-B.jpgStandard modules are available with up to 40-W output at 808, 880, 915, 940 and 980 nm, and with a numerical aperture of 0.22 from 400-µm-core fibers. 

The devices measure less than 100 × 31 × 20 mm and deliver a wall plug efficiency of >35%. They typically operate at 55 A of current with a compliance voltage of 1.8 V. Standard wavelength tolerances are ±3 nm, and spectral widths are less than 5 nm FWHM. Typical wavelength temperature drift is 0.01 nm per Kelvin.

The sealed housing provides a standard SMA 905 fiber connector, protecting the diode laser bars and the micro-optics against contamination and mechanical damage. The modules are equipped with a second user-exchangeable window for use in harsh environments or in conjunction with disposable fibers.

Available options include an integrated pilot beam, power meter and temperature sensors, as well as fiber detection sensors. 

For more information, visit:

9070 S. Rita Road
Suite 1500
Tucson, Ariz. 85747
Phone: (520) 282-5984
Fax: (520) 232-3499


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Tiny (less than 2 mm in diameter) lenses, beamsplitters and other optical components used, for example, in endoscopes or microscopes or to focus light from semiconductor lasers and optical fibers.
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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