We report direct measurements of the frequency dependence of the optical group delay for a number of optical components commonly used in femtosecond optics. We have investigated the group-delay errors that occur on reflection from metal and dielectric mirrors under various conditions and passage through devices that introduce angular dispersion. We obtain measurement accuracy of about ±1 fsec over the spectral range of 400–750 nm.
© 1988 Optical Society of America
Original Manuscript: February 19, 1988
Manuscript Accepted: April 7, 1988
Published: July 1, 1988
Wayne H. Knox, Nathaniel M. Pearson, Kathryn D. Li, and Charles A. Hirlimann, "Interferometric measurements of femtosecond group delay in optical components," Opt. Lett. 13, 574-576 (1988)