Pulse Compressor (IMAGE) Osaka University Caption This is a pulse compressor of LFEX using 16 sheets of the dielectric multilayer film diffraction grating of 91cm x 42cm. Credit Osaka University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.