Periodic microstructures induced by interfered femtosecond laser pulses
- Authors
- Guo, Zhongyi; Qu, Shiliang; Liu, Shutian; Lee, Jung ho
- Issue Date
- Oct-2010
- Publisher
- SPIE
- Keywords
- Marangoni effect; Microstructure fabrication; Second-harmonic generation
- Citation
- Proceedings of SPIE - The International Society for Optical Engineering, v.7657, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Proceedings of SPIE - The International Society for Optical Engineering
- Volume
- 7657
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40498
- DOI
- 10.1117/12.866233
- ISSN
- 0277-786X
- Abstract
- Various periodic structures have been fabricated on the surface of the transparent glass by a single shot of two or three pulses. When a single shot of two pulses interfered with each other, not only did we get the ordinary grating whose period was agreed well with a theoretical estimation, but also obtained the extraordinary grating whose period was a half of that in the ordinary grating. When a single shot of three pulses interfered with each other, two-dimensional periodic microstructures distributing as a hexagonal lattice have been obtained. Different morphologies of the induced structures such as microvoids, orbicular platforms, and nanotips, could be formed with changing the pulse energy. © 2010 SPIE.
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