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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 2064–2067

Conical light sword optical beam and its healing property

Brijesh Kumar Singh, Dalip Singh Mehta, and Paramasivam Senthilkumaran  »View Author Affiliations

Optics Letters, Vol. 39, Issue 7, pp. 2064-2067 (2014)

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A new diffractive optical element, named as a conical light sword optical element, is presented. In the focal volume, this element produces a helical amplitude profile that can be used as an optical twister. We have experimentally demonstrated the optical healing property of the conical light sword optical beam (CLSOB). This healing property comes from the transverse helical energy flow, due to the evolution of multiple unipolar vortices in the propagation of CLSOB. We envisage that this spiral intensity profile and optical healing property of the beam find potential applications in propagation through a scattering and turbulent media, imaging with extended depth of field, and in optical tweezers.

© 2014 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(140.3300) Lasers and laser optics : Laser beam shaping
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

Original Manuscript: January 3, 2014
Revised Manuscript: February 18, 2014
Manuscript Accepted: February 23, 2014
Published: March 27, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Brijesh Kumar Singh, Dalip Singh Mehta, and Paramasivam Senthilkumaran, "Conical light sword optical beam and its healing property," Opt. Lett. 39, 2064-2067 (2014)

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