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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 8 — Aug. 1, 2013
  • pp: 2059–2065

Femtosecond filamentation in sapphire with diffractive lenses

R. Borrego-Varillas, C. Romero, O. Mendoza-Yero, G. Mínguez-Vega, I. Gallardo, and J. R. Vázquez de Aldana  »View Author Affiliations

JOSA B, Vol. 30, Issue 8, pp. 2059-2065 (2013)

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In this paper, we demonstrate novel properties in the phenomenology of supercontinuum generation in sapphire with diffractive lenses and provide a complete spatial, spectral, and temporal characterization of the so-generated pulses. Filament formation inside the sample is analyzed and related to the measured spectra, finding that clipping of the filament results in blueshifted spectra. For comparison, filament formation with refractive lenses is also examined, and the roles of diffraction and extension of the focusing region are inspected. The tunability achieved in the anti-Stokes side of the spectrum is also extended to the ultraviolet by frequency mixing with infrared femtosecond pulses.

© 2013 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Diffraction and Gratings

Original Manuscript: April 17, 2013
Manuscript Accepted: June 7, 2013
Published: July 5, 2013

R. Borrego-Varillas, C. Romero, O. Mendoza-Yero, G. Mínguez-Vega, I. Gallardo, and J. R. Vázquez de Aldana, "Femtosecond filamentation in sapphire with diffractive lenses," J. Opt. Soc. Am. B 30, 2059-2065 (2013)

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