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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 4 — Feb. 18, 2008
  • pp: 2541–2546

Spectral analysis of femtosecond pulse diffraction through binary diffractive optical elements: theory and experiment

Omel Mendoza-Yero, Gladys Mínguez-Vega, Jesús Lancis, Enrique Tajahuerce, and Vicent Climent  »View Author Affiliations

Optics Express, Vol. 16, Issue 4, pp. 2541-2546 (2008)

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We report on the changes in the spectrum of a femtosecond pulse originated by diffraction of the ultrashort waveform through a circularly symmetric binary diffractive optical element. The analysis is performed in the framework of the Rayleigh-Sommerfeld formulation of the diffraction, where an analytical expression for the monochromatic amplitude distribution close to the optical axis is obtained. To corroborate our results, we experimentally measure the variations of the pulse spectrum within the collecting area of a spectrometer located at the output plane. Multiple splitting of the pulse spectrum in the vicinity of a focal position and a phase singularity are shown.

© 2008 Optical Society of America

OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(260.1960) Physical optics : Diffraction theory
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Physical Optics

Original Manuscript: October 16, 2007
Revised Manuscript: January 9, 2008
Manuscript Accepted: January 9, 2008
Published: February 8, 2008

Omel Mendoza-Yero, Gladys Mínguez-Vega, Jesús Lancis, Enrique Tajahuerce, and Vicent Climent, "Spectral analysis of femtosecond pulse diffraction through binary diffractive optical elements: theory and experiment," Opt. Express 16, 2541-2546 (2008)

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