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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 6 — May. 25, 2012

Intense Bessel-like beams arising from pyramid-shaped microtips

Jérôme Martin, Julien Proust, Davy Gérard, Jean-Louis Bijeon, and Jérôme Plain  »View Author Affiliations

Optics Letters, Vol. 37, Issue 7, pp. 1274-1276 (2012)

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We show both numerically and experimentally that intense, narrow, and low-divergence beams of light are produced at the apex of dielectric pyramid-shaped microtips. These beams exhibit a Bessel transverse profile but are narrower than the usual Bessel beam, allowing for a significant enhancement of the light intensity inside the beam. They are generated by axicon-like structures with submicrometric height imprinted in glass by combining optical lithography and chemical etching. The resulting beams are experimentally imaged using fluorescence microscopy, in remarkable agreement with numerical computations.

© 2012 Optical Society of America

OCIS Codes
(180.2520) Microscopy : Fluorescence microscopy
(220.4000) Optical design and fabrication : Microstructure fabrication
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Integrated Optics

Original Manuscript: January 9, 2012
Revised Manuscript: February 16, 2012
Manuscript Accepted: February 16, 2012
Published: March 30, 2012

Virtual Issues
Vol. 7, Iss. 6 Virtual Journal for Biomedical Optics

Jérôme Martin, Julien Proust, Davy Gérard, Jean-Louis Bijeon, and Jérôme Plain, "Intense Bessel-like beams arising from pyramid-shaped microtips," Opt. Lett. 37, 1274-1276 (2012)

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