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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 8 — Mar. 10, 2007
  • pp: 1302–1309

Use of a genetic algorithm technique in solid-state laser pump cavity development

Rene Franzen, Christian Apel, Friedrich Lampert, and Jörg Meister  »View Author Affiliations

Applied Optics, Vol. 46, Issue 8, pp. 1302-1309 (2007)

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We apply a genetic algorithm to optimize the pump cavity of a complex miniaturized diode-pumped laser to find a balance between the efficient energy transfer of the pump light and the homogeneous illumination of the laser crystal. These two points are in contradiction to each other, whereby a complex optimization situation is given. The genome determines the geometry of the internal optical elements of the pump cavity in which a laser rod is placed. After optimization of the internal optical elements, a homogeneous illumination over the crystal length and a coupling efficiency of 59% were achieved. The results showed that genetic algorithms can find solutions and blueprints for laser pump cavities of consistent quality.

© 2007 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3500) Lasers and laser optics : Lasers, erbium
(140.5560) Lasers and laser optics : Pumping
(220.2740) Optical design and fabrication : Geometric optical design

Original Manuscript: August 4, 2006
Revised Manuscript: November 2, 2006
Manuscript Accepted: November 2, 2006
Published: February 20, 2007

Rene Franzen, Christian Apel, Friedrich Lampert, and Jörg Meister, "Use of a genetic algorithm technique in solid-state laser pump cavity development," Appl. Opt. 46, 1302-1309 (2007)

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