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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 21 — Nov. 1, 2006
  • pp: 3155–3157

Multiscale Bessel beams generated by a tunable acoustic gradient index of refraction lens

Euan McLeod, Adam B. Hopkins, and Craig B. Arnold  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3155-3157 (2006)
http://dx.doi.org/10.1364/OL.31.003155


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Abstract

A beam that resembles a Bessel beam on two scales is generated using a tunable acoustic gradient index of refraction (TAG) lens. The minor scale of the TAG-generated Bessel beam is nondiffracting and self-healing. The major scale of the beam diffracts while still forming a Bessel pattern due to the specific geometry of the TAG lens. The acoustic and optical theory behind the TAG lens is outlined, and the experimental beam itself is presented. The major and minor rings are explained, and the TAG beam is compared with both axicon-generated and conventionally focused Gaussian beams.

© 2006 Optical Society of America

OCIS Codes
(070.1060) Fourier optics and signal processing : Acousto-optical signal processing
(110.2760) Imaging systems : Gradient-index lenses
(140.3300) Lasers and laser optics : Laser beam shaping
(160.1050) Materials : Acousto-optical materials
(230.1040) Optical devices : Acousto-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: June 12, 2006
Revised Manuscript: August 7, 2006
Manuscript Accepted: August 9, 2006
Published: October 11, 2006

Citation
Euan McLeod, Adam B. Hopkins, and Craig B. Arnold, "Multiscale Bessel beams generated by a tunable acoustic gradient index of refraction lens," Opt. Lett. 31, 3155-3157 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-21-3155

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