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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 10 — Apr. 1, 2013
  • pp: 2093–2101

Exciting higher-order radial Laguerre–Gaussian modes in a diode-pumped solid-state laser resonator

Sandile Ngcobo, Kamel Aït-Ameur, Nicolas Passilly, Abdelkrim Hasnaoui, and Andrew Forbes  »View Author Affiliations

Applied Optics, Vol. 52, Issue 10, pp. 2093-2101 (2013)

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In this paper we experimentally demonstrate the intracavity generation of selected Laguerre–Gaussian modes of variable radial order, from 0 to 5. Our technique requires only an amplitude mask made up of absorbing rings to be placed inside the cavity, with the ring radii selected to coincide with the zeros of the desired Laguerre–Gaussian mode. We demonstrate high mode purity and a mode volume proportional to the order of the mode. Our results suggest a possible route to high brightness diode-pumped solid-state laser sources.

© 2013 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3410) Lasers and laser optics : Laser resonators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.4780) Lasers and laser optics : Optical resonators

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 5, 2012
Revised Manuscript: January 31, 2013
Manuscript Accepted: February 21, 2013
Published: March 26, 2013

Sandile Ngcobo, Kamel Aït-Ameur, Nicolas Passilly, Abdelkrim Hasnaoui, and Andrew Forbes, "Exciting higher-order radial Laguerre–Gaussian modes in a diode-pumped solid-state laser resonator," Appl. Opt. 52, 2093-2101 (2013)

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