Abstract
Chemically strengthened glass is widely used in electronic device display screens; however, they are difficult to cut. With the high peak power of a picosecond laser and long focal depth of a Bessel beam, a narrow-modified plane is machined inside the chemical glass. Owing to its original stress and stress induced by the picosecond laser, chemically strengthened glass accurately self-breaks along the modified plane with cutting speed of 400 mm/s and surface roughness of 395 nm. Experimental results show that pulse energy and pulse modification spacing are the main parameters affecting cutting speed and quality.
Translated title of the contribution | Chemically Strengthened Glass Fabricated by Picosecond Bessel Beam Cutting |
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Original language | Chinese (Traditional) |
Article number | 1102010 |
Journal | Zhongguo Jiguang/Chinese Journal of Lasers |
Volume | 46 |
Issue number | 11 |
DOIs | |
Publication status | Published - 10 Nov 2019 |
Externally published | Yes |
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Yang, Z., Duan, J., Chen, H., Liu, P., Chen, Q., & Xu, X. (2019). 皮秒贝塞尔光束切割化学强化玻璃. Zhongguo Jiguang/Chinese Journal of Lasers, 46(11), Article 1102010. https://doi.org/10.3788/CJL201946.1102010