FIG 3 (IMAGE) Compuscript Ltd Caption Fig. 3. Diverse sectional profiles of glass grooves achieved through spatial multi-focus laser processing combined with chemical etching, along with their various applications. (a) Symmetric and asymmetric V-shaped grooves on fused silica. (b) Arc-shaped grooves on fused silica. (c) Cylinder arrays formed by continuous grooves on fused silica. (d) Trapezoid grooves on borosilicate glass used for optical fiber packaging. Scale bars: 100 μm. 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.