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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 19 — Oct. 1, 2010
  • pp: 3303–3305

Bidimensional near-field sampling spectrometry

Mikael Renault, Yassine Hadjar, Sylvain Blaize, Aurélien Bruyant, Laurent Arnaud, Gilles Lerondel, and Pascal Royer  »View Author Affiliations

Optics Letters, Vol. 35, Issue 19, pp. 3303-3305 (2010)

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We report on a concept of compact optical Fourier-transform spectrometer based on bidimensional (2D) spatial sampling of a confined interferogram. The spectrometer consists of a nanostructured glass surface on which two light beams interfere in total internal reflection. Subwavelength spatial sampling of the interferogram near field is achieved by introducing a tilt angle between a 2D array of optical nanoantennas and the interferogram pattern. The intensity distribution of the scattered light is recorded on a 2D CCD camera, and a one-dimensional Fourier transform of the interferogram is used to recover the input light spectrum. Experimental results show a wide spectral bandwidth in the visible range, down to 380 nm , with spectral resolution of 1.6 nm around 780 nm .

© 2010 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:

Original Manuscript: July 28, 2010
Manuscript Accepted: August 22, 2010
Published: September 30, 2010

Mikael Renault, Yassine Hadjar, Sylvain Blaize, Aurélien Bruyant, Laurent Arnaud, Gilles Lerondel, and Pascal Royer, "Bidimensional near-field sampling spectrometry," Opt. Lett. 35, 3303-3305 (2010)

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