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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 13768–13772

Chirped mirrors with low dispersion ripple

V. Pervak, S. Naumov, F. Krausz, and A. Apolonski  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 13768-13772 (2007)

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We demonstrate a chirped dielectric multilayer mirror (CM) with controlled reflectivity and dispersion in the wavelength range 760–840 nm. It exhibits a reflectivity of >99.9% and a mean group delay dispersion (GDD) of about -30 fs2 with a theoretical GDD ripple of less than 0.5 fs2 in the working spectral range. Deviations of the measured GDD from the calculated one are restricted to less than ± 3 fs2, limited by our measurement system. Simulations reveal that a dispersive delay line composed of 120 bounces off these mirrors introduces negligible distortion to a femtosecond pulse and largely preserves its contrast. The mirrors constitute an ideal tool for precision intracavity or extracavity dispersion control in the range of several thousand fs2, particularly if pulses with high contrast are to be generated.

© 2007 Optical Society of America

OCIS Codes
(310.1620) Thin films : Interference coatings
(320.5520) Ultrafast optics : Pulse compression
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Ultrafast Optics

Original Manuscript: August 6, 2007
Revised Manuscript: September 25, 2007
Manuscript Accepted: October 2, 2007
Published: October 4, 2007

V. Pervak, S. Naumov, F. Krausz, and A. Apolonski, "Chirped mirrors with low dispersion ripple," Opt. Express 15, 13768-13772 (2007)

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