Group-delay measurement on laser mirrors by spectrally resolved white-light interferometry.
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.
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Kovács
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K
Osvay
Z
Z
Bor
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R
Szipöcs