Effect of the Chemical Composition on the Ablation Characteristics of Glass Substrates in Femtosecond Laser Machining
- Authors
- Lee, Hyeon-Min; Choi, Jung Hyun; Moon, Seung-Jae
- Issue Date
- Nov-2017
- Publisher
- KOREAN SOC PRECISION ENG
- Keywords
- Glass; Drilling; Femotosecond laser
- Citation
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.18, no.11, pp.1495 - 1499
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING
- Volume
- 18
- Number
- 11
- Start Page
- 1495
- End Page
- 1499
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/18669
- DOI
- 10.1007/s12541-017-0177-2
- ISSN
- 2234-7593
- Abstract
- In this work, we investigated the ablation characteristics of aluminosilicate, soda-lime, and borosilicate glass substrates in femtosecond laser processing. The laser wavelength was 1,552 nm with a pulse duration of 800 fs. The ablation threshold energy of each glass substrate was estimated using the D-2 method. To determine the ablation threshold energy of each glass substrate, the weight percentages of various chemical components in the glass substrates were quantitatively analyzed by laser ablation inductively coupled plasma mass spectrometry. The ablation threshold energy of the glass substrates was found to depend on the Al2O3 and MgO contents. When the weight percentages of both components were higher, the ablation threshold energy was lower. The effect of these components on the ablation threshold energy was theoretically investigated using self-trapped exciton analysis.
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