Group-delay measurement on laser mirrors by spectrally resolved white-light interferometry

A. P. Kovács, K. Osvay, Zs Bor, R. Szipöcs

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The frequency-dependent group delay of dielectric mirrors was measured by spectrally resolved white-light interferometry. Chirped mirrors and thin-film Gires–Tournois interferometers designed for dispersion control in a femtosecond Ti:sapphire laser oscillator–amplifier system were tested with a group-delay resolution of±0.2 fs and a spectral resolution of ∽1 nm over the spectral range of 670–870 nm.

Original languageEnglish
Pages (from-to)788-790
Number of pages3
JournalOptics Letters
Issue number7
Publication statusPublished - Apr 1995


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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