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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 3903–3906

Controlling the handedness of directly excited Laguerre–Gaussian modes in a solid-state laser

Di Lin, J. M. O. Daniel, and W. A. Clarkson  »View Author Affiliations

Optics Letters, Vol. 39, Issue 13, pp. 3903-3906 (2014)

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In this Letter, we report a novel approach for directly exciting the lowest-order Laguerre–Gaussian (LG01) donut mode with controllable handedness of the helical phase front trajectory in an end-pumped solid-state laser. Our approach is based on the use of a novel mode selection element consisting of two nanoscale thickness aluminum stripes to provide discrimination between LG01 modes with opposite handedness. This scheme has been applied to a diode-pumped Nd:YAG laser to generate and switch between LG01 modes with opposite handedness at output powers 1W at 1064 nm.

© 2014 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3530) Lasers and laser optics : Lasers, neodymium
(080.4865) Geometric optics : Optical vortices

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 22, 2014
Revised Manuscript: May 29, 2014
Manuscript Accepted: May 30, 2014
Published: June 25, 2014

Di Lin, J. M. O. Daniel, and W. A. Clarkson, "Controlling the handedness of directly excited Laguerre–Gaussian modes in a solid-state laser," Opt. Lett. 39, 3903-3906 (2014)

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