A simple method for measuring the coherence time of ultrashort pulses is reported. The double reflection off a glass slide produces interference fringes that are used to calculate the coherence time.
© 1992 Optical Society of America
Y. Painchaud and M. A. Duguay, "Simple and low-cost method for measuring the coherence time of ultrashort laser pulses," Appl. Opt. 31, 6962-6963 (1992)