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  4. Comparison of resonator-originated and external beam shaping
 
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1999
Journal Article
Title

Comparison of resonator-originated and external beam shaping

Abstract
The spatial shaping of laser beams is a subject of research in modern optics. Recently the introduction of diffractive elements in laser resonators has offered an alternative to external beam-shaping optics by mode shaping within the resonator. We describe the specification of the laser resonator mirrors to obtain by means of internal mode shaping a desired beam outside the resonator. Modal discrimination of the modified resonator and the mirror alignment sensitivity is discussed. Basic features of resona-tororiginated and external beam shaping are compared.
Author(s)
Zeitner, U.D.
Aagedal, H.
Wyrowski, F.
Journal
Applied optics  
DOI
10.1364/AO.38.000980
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Keyword(s)
  • diffractive optics

  • laser beam shaping

  • Laser resonator

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