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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 9 — May. 1, 1999
  • pp: 584–586

Measuring Stokes parameters by means of a polarization grating

Franco Gori  »View Author Affiliations


Optics Letters, Vol. 24, Issue 9, pp. 584-586 (1999)
http://dx.doi.org/10.1364/OL.24.000584


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Abstract

Ordinary gratings act on the amplitude and (or) the phase of a wave front. Polarization gratings produce instead a periodic modulation of the state of polarization. A simple grating of the latter type is constituted by a linear polarizer whose orientation varies periodically along a line. It is shown that, for a generic polarization state of the incident field, such a grating gives rise to first-order diffracted beams with counterrotating circular polarizations. It is also shown that such a grating can be used for measuring the Stokes parameters of a light beam in an achromatic manner. Several extensions are briefly discussed.

© 1999 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(160.1190) Materials : Anisotropic optical materials
(230.5440) Optical devices : Polarization-selective devices

Citation
Franco Gori, "Measuring Stokes parameters by means of a polarization grating," Opt. Lett. 24, 584-586 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-9-584

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