Light Pulses Can Form Pairs in Ultra-Short Pulse Lasers (image) University of Göttingen Share Print E-Mail Caption Light pulses can form pairs in ultra-short pulse lasers. The pulse intervals (red) can be precisely adjusted by making certain changes to pump beam (green). Credit University of Bayreuth Usage Restrictions None Share Print E-Mail 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.