Introduction of Wavefront Rotation (IMAGE) Optica Caption Here, wavefront rotation has been induced on the laser beam, leading to a spatial splitting of this attosecond pulse train into a collection of beamlets containing isolated attosecond pulses. Credit Fabien Quéré, the French Commissariat à l'Energie Atomique. 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.