Glass cutting with elongation optics in comparison to conventional methods by laser

In this study, the authors applied a pico-second 532 nm laser with state of art elongated optics on cutting soda lime glasses and compared the results with three other methods by conventional focusing technique namely; dice-and break, direct wobbling cut (both by UV laser), and stealth cut (by pico-second IR laser). The dice-and-break method has the fastest speed, however, the roughness is poor. The wobbling method is poor in both roughness and cutting speed. The dual-focused beam has the smoothest cross-section with fast speed in one step. Of the four methods, the elongation optics has the best overall performance. The improved quality attributes to a well-managed energy distribution.