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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 15 — May. 20, 2006
  • pp: 3548–3552

Bright diode laser light source

Erkki Lassila and Rolf Hernberg  »View Author Affiliations

Applied Optics, Vol. 45, Issue 15, pp. 3548-3552 (2006)

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A simplified multiwavelength prototype of an axially symmetric diode laser device based on stacks made of single emitters has been made, and the performance of the device has been demonstrated experimentally. The results verify that kilowatt-level light power can be focused into a circular spot with a 1 / e 2 diameter of 360   μm , a focal length of 100   mm , and a numerical aperture of 0.24, thus producing an average power density in excess of 10 kW / mm 2 and a brightness of 6 × 10 10 W  m 2 sr 1 . The experiments also predict that it will be possible to increase these values to more than 60 kW / mm 2 and 3 × 10 11 W  m 2 sr 1 .

© 2006 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(140.2020) Lasers and laser optics : Diode lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 16, 2005
Revised Manuscript: December 21, 2005
Manuscript Accepted: January 6, 2006

Erkki Lassila and Rolf Hernberg, "Bright diode laser light source," Appl. Opt. 45, 3548-3552 (2006)

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