FIG 2 (IMAGE) Compuscript Ltd Caption Fig.2. Cross-sectional optical micrographs of the lines in glass at different depths along different directions and with different pulse energy Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY 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.