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Title: Microprocessing of glass by hybrid laser processing
Authors: Sugioka, K.
Obata, K.
Midorikawa, K.
Hong, M.H. 
Wu, D.J.
Wong, L.L.
Lu, Y.F. 
Chong, T.C. 
Keywords: Ablation
F 2 laser
Fused silica
Hybrid laser processing
Laser-induced plasma
Multiwavelength excitation
Precision microfabrication
VUV laser
Issue Date: 2002
Citation: Sugioka, K., Obata, K., Midorikawa, K., Hong, M.H., Wu, D.J., Wong, L.L., Lu, Y.F., Chong, T.C. (2002). Microprocessing of glass by hybrid laser processing. Proceedings of SPIE - The International Society for Optical Engineering 4760 (I) : 230-238. ScholarBank@NUS Repository.
Abstract: Hybrid laser processing for precision microfabrication of glass materials, in which the interaction of a conventional pulsed laser beam and another medium on the material surface leads to effective ablation and modification, is reviewed. The main role of the medium is to produce strong absorption of the nanosecond laser beam by the materials. Simultaneous irradiation of the vacuum ultraviolet (VUV) laser beam, which possesses extremely small laser fluence, with the ultraviolet (UV) laser greatly improves the ablation quality and modification efficiency for fused (VUV-UV multiwavelength excitation processing). Metal plasma generated by the laser beam effectively assists high-quality ablation of transparent materials, resulting in microstructuring, cutting, color marking, printing and selective metallization of glass materials (laser-induced plasma-assisted ablation (LIPAA)). The detailed discussion described in this paper includes the ablation mechanism of hybrid laser processing.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
ISSN: 0277786X
DOI: 10.1117/12.482090
Appears in Collections:Staff Publications

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