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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4320–4322

Diffractive paper lens for terahertz optics

Agnieszka Siemion, Andrzej Siemion, Michał Makowski, Jarosław Suszek, Jarosław Bomba, Adam Czerwiński, Frédéric Garet, Jean-Louis Coutaz, and Maciej Sypek  »View Author Affiliations


Optics Letters, Vol. 37, Issue 20, pp. 4320-4322 (2012)
http://dx.doi.org/10.1364/OL.37.004320


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Abstract

Passive terahertz (THz) setups require optical elements with large diameters for optimal harvesting of weak signals. High f-number implies sophisticated aspheric designs to ensure optimal resolution and good energetic efficiency. Trial and error testing of such optics is expensive and numerical modeling is time consuming; hence, we propose extremely cheap diffractive lenses for THz made of regular paper. They are easy to manufacture even with large diameters, and the optical function can be easily customized, which can be used for initial experimental testing of THz setups. Characterization of the proposed diffractive lenses with time-domain spectroscopy is presented and discussed.

© 2012 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(300.6495) Spectroscopy : Spectroscopy, teraherz
(110.6795) Imaging systems : Terahertz imaging

ToC Category:
Imaging Systems

History
Original Manuscript: July 10, 2012
Revised Manuscript: September 6, 2012
Manuscript Accepted: September 6, 2012
Published: October 12, 2012

Citation
Agnieszka Siemion, Andrzej Siemion, Michał Makowski, Jarosław Suszek, Jarosław Bomba, Adam Czerwiński, Frédéric Garet, Jean-Louis Coutaz, and Maciej Sypek, "Diffractive paper lens for terahertz optics," Opt. Lett. 37, 4320-4322 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4320

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