Generation of Optical Vortices by Converting Elegant Hermite Gaussian Beams

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概要

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• We have derived that an optical vortex of charge $l$ can be generated in an arbitrary position over the transverse cross section of the light beam by converting a tailored elegant Hermite Gaussian beam of order $l$ [J. Opt. Soc. Am. 63 (1973) 1093] using an astigmatic mode converter. We have indeed generated a quasi-elegant Hemite Gaussian beam of order 1 by superposing two Gaussian beams copropagating with a spatial separation, and converted it into a vortex beam. The vortex moves by varying the relative amplitude and phase of the Gaussian beams, which agrees well with the theoretical predictions.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2005-04-15

著者

• Okamoto Megumi

  Department Of Physics Faculty Of Science And Technology Keio University

• Sasada Hiroyuki

  Department of Physics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku

• Sasada Hiroyuki

  Department Of Physics Faculty Of Science And Technology Keio University

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