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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 17059–17065

Application of cooled spatial light modulator for high power nanosecond laser micromachining

Rainer J Beck, Jonathan P Parry, William N MacPherson, Andrew Waddie, Nick J Weston, Jonathan D Shephard, and Duncan P Hand  »View Author Affiliations

Optics Express, Vol. 18, Issue 16, pp. 17059-17065 (2010)

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The application of a commercially available spatial light modulator (SLM) to control the spatial intensity distribution of a nanosecond pulsed laser for micromachining is described for the first time. Heat sinking is introduced to increase the average power handling capabilities of the SLM beyond recommended limits by the manufacturer. Complex intensity patterns are generated, using the Inverse Fourier Transform Algorithm, and example laser machining is demonstrated. The SLM enables both complex beam shaping and also beam steering.

© 2010 OSA

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(140.3390) Lasers and laser optics : Laser materials processing
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Laser Microfabrication

Original Manuscript: June 22, 2010
Revised Manuscript: July 16, 2010
Manuscript Accepted: July 19, 2010
Published: July 27, 2010

Rainer J Beck, Jonathan P Parry, William N MacPherson, Andrew Waddie, Nick J Weston, Jonathan D Shephard, and Duncan P Hand, "Application of cooled spatial light modulator for high power nanosecond laser micromachining," Opt. Express 18, 17059-17065 (2010)

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