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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 23 — Dec. 1, 2009
  • pp: 3659–3661

Full phase and amplitude control in computer-generated holography

Markus Fratz, Peer Fischer, and Dominik M. Giel  »View Author Affiliations


Optics Letters, Vol. 34, Issue 23, pp. 3659-3661 (2009)
http://dx.doi.org/10.1364/OL.34.003659


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Abstract

We report what we believe to be the first realization of a computer-generated complex-valued hologram recorded in a single film of photoactive polymer. Complex-valued holograms give rise to a diffracted optical field with control over its amplitude and phase. The holograms are generated by a one-step direct laser writing process in which a spatial light modulator (SLM) is imaged onto a polymer film. Temporal modulation of the SLM during exposure controls both the strength of the induced birefringence and the orientation of the fast axis. We demonstrate that complex holograms can be used to impart arbitrary amplitude and phase profiles onto a beam and thereby open new possibilities in the control of optical beams.

© 2009 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(090.1760) Holography : Computer holography

ToC Category:
Holography

History
Original Manuscript: August 6, 2009
Revised Manuscript: October 26, 2009
Manuscript Accepted: October 26, 2009
Published: November 20, 2009

Citation
Markus Fratz, Peer Fischer, and Dominik M. Giel, "Full phase and amplitude control in computer-generated holography," Opt. Lett. 34, 3659-3661 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-23-3659

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