Contact

Laser Components Germany GmbH
Werner-von-Siemens-Str. 15
82140 Olching / Germany

Phone: +49 (0)8142 / 28 64-0
Fax: +49 (0)8142 / 28 64-11

E-Mail:info@lasercomponents.com

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Pulsed Laser Diodes with a Homogeneous Beam Profile

Photonics News No 74

Compact and Robust


Pulsed laser diodes are becoming more and more efficient and powerful. Thus, they represent a viable alternative to large and expensive laser systems. One advantage of solid-state lasers is the very good beam profile. Achieving this with semiconductor laser diodes requires the use of external beam-shaping elements or homogenizers. Diffusing lenses, diffractive elements, or long optical fibers may be used; however, in all of these approaches either power is lost or the mechanical effort is very large.

Our developers in Canada were successful in connecting powerful, multi-junction PLDs to a special fiber structure, thus allowing a homogeneous beam profile to be achieved after just a few centimeters. Picture 1 shows the near-field distribution of a pulsed laser diode with three epitaxially-integrated emitters. After just 13 mm (see Picture 2), a significantly more homogeneous beam profile is visible. Picture 3 shows the beam profile after 55 cm. The advantage of this assembly is that it is compact and robust and simultaneously exhibits low losses and thus a higher peak power. Prototypes are currently being built. If you are interested, we are still able to include any desired changes.


Manufacturer:
LASER COMPONENTS Canada

Contact:

Contact Person:    Winfried Reeb
Company:    Laser Components Germany GmbH
Address:    Werner-von-Siemens-Str. 15
ZIP / City:    82140 Olching
Phone:    +49 (0) 8142 2864-42
Fax:    +49 (0) 8142 2864-11
Email:    winfried.reeb@lasercomponents.com
 

Picture 3

Picture 1

Picture 2

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Your contact person

Laura Dreßler

+49 (0) 8142 2864-135