Near-field Fourier transform polarimetry by use of a discrete space-variant subwavelength grating
JOSA A, Vol. 20, Issue 10, pp. 1940-1948 (2003)
http://dx.doi.org/10.1364/JOSAA.20.001940
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Abstract
We present a unique method for real-time polarization measurement by use of a discrete space-variant subwavelength grating. The formation of the grating is done by discrete orientation of the local subwavelength grooves. The complete polarization analysis of the incident beam is determined by spatial Fourier transform of the near-field intensity distribution transmitted through the discrete subwavelength dielectric grating followed by a subwavelength metal polarizer. We discuss a theoretical analysis based on Stokes–Mueller formalism, as well as on Jones calculus, and experimentally demonstrate our approach with polarization measurements of infrared radiation at a wavelength of 10.6 μm.
© 2003 Optical Society of America
OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(050.2770) Diffraction and gratings : Gratings
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization
Citation
Gabriel Biener, Avi Niv, Vladimir Kleiner, and Erez Hasman, "Near-field Fourier transform polarimetry by use of a discrete space-variant subwavelength grating," J. Opt. Soc. Am. A 20, 1940-1948 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-10-1940
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