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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 7 — Apr. 1, 1996
  • pp: 456–458

Dark beams with a constant notch

Boris Spektor, Rafael Piestun, and Joseph Shamir  »View Author Affiliations


Optics Letters, Vol. 21, Issue 7, pp. 456-458 (1996)
http://dx.doi.org/10.1364/OL.21.000456


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Abstract

Dark beams are wave fields carrying information in dark regions. We experimentally demonstrate dark beams that maintain a constant notch shape and size along a predetermined domain in free space. The energy is concentrated around the dark region with negligible sidelobes. These beams are generated with low-information-content phase-only diffractive elements in an on-axis configuration.

© 1996 Optical Society of America

History
Original Manuscript: December 12, 1995
Published: April 1, 1996

Citation
Boris Spektor, Rafael Piestun, and Joseph Shamir, "Dark beams with a constant notch," Opt. Lett. 21, 456-458 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-7-456

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