We demonstrate the stretching of 100- fs pulses by a factor of 12,000, using standard-size optical elements. These stretched pulses are then amplified and recompressed to their initial duration.
© 1992 Optical Society of America
François Salin, Jeff Squier, and Gérard Mourou, "Large temporal stretching of ultrashort pulses," Appl. Opt. 31, 1225-1228 (1992)