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Laser Components (UK) Ltd.
Goldlay House,
114 Parkway,
Chelmsford Essex CM2 7PR
United Kingdom
Phone: +44 1245 491 499
E-Mail:info@lasercomponents.co.uk

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Pulsed Laser Diodes with a Homogeneous Beam Profile

Photonics News No 51

UK51-0410

Pulsed laser diodes are becoming more and more efficient and powerful, and so they represent a viable alternative to large and expensive laser systems.  

One advantage of solid-state lasers is the excellent beam profile. Achieving this with semiconductor laser diodes requires the use of external beam-shaping elements or homogenisers.   

Diffusing lenses, diffractive elements, or long optical fibres can be used, however, this always results in either a loss of power or the mechanical effort is too great.  

Our developers in Canada have been successful in connecting powerful, multi-junction PLDs to a special fibre structure, and so allowing a homogeneous beam profile to be achieved after just a few centimetres.  

Image 1 shows the near-field distribution of a pulsed laser diode with three epitaxially-integrated emitters.  After just 13 mm (see image 2), a significantly more homogeneous beam profile is visible. Image 3 shows the beam profile after 55 cm.  

The advantage of this assembly is that it is compact and robust and exhibits low losses at the same time as a higher peak power.  

Prototypes are currently being built. If you are interested, we are still able to include any desired changes.


Further product information:
Pulsed Laser Diodes

Manufacturer:
LASER COMPONENTS Canada

Contact:

Contact Person:    Chris Varney
Company:    LASER COMPONENTS (UK) Ltd.
Address:    Goldlay House 114 Parkway
Postcode / City:    CM2 7PR Chelmsford Essex
Phone:    +44 1245 491499
Fax:    +44 1245 491801
Email:    cvarney@lasercomponents.co.uk
 

Image 1

Image 2

Image 3

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Your contact person

Kay Cable

+44 1245 491499

kcable@lasercomponents.co.uk