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Proceedings Paper

Space-selective microscopic modifications of glass structure by a femtosecond laser
Author(s): Jianrong Qiu; Kiyotaka Miura; Kazuyuki Hirao
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Paper Abstract

Femtosecond laser is a perfect laser source for materials processing when high accuracy and small structure size are required. Due to the ultra short interaction time and the high peak power, the process is generally characterized by the absence of heat diffusion and, consequently molten layers. Various induced structures have been observed in glasses after the femtosecond laser irradiation. Here, we report on space-selective valence state manipulation of active ions, long-lasting phosphorescence and photostimulated long-lasting phosphorescence phenomena in the femtosecond laser-irradiated glasses, and recent development of direct writing of optical waveguide in glasses with femtosecond laser pulses.

Paper Details

Date Published: 16 July 2003
PDF: 7 pages
Proc. SPIE 5061, International Symposium on Photonic Glass (ISPG 2002), (16 July 2003); doi: 10.1117/12.517320
Show Author Affiliations
Jianrong Qiu, Shanghai Institute of Optics and Fine Mechanics (China)
Japan Science and Technology Corp. (Japan)
Kiyotaka Miura, Japan Science and Technology Corp. (Japan)
Kazuyuki Hirao, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 5061:
International Symposium on Photonic Glass (ISPG 2002)
Congshan Zhu, Editor(s)

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