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Structural changes in femtosecond laser modified regions inside fused silica

Juodkazis, Saulius; Kohara, Shinji; Ohishi, Yasuo; Hirao, Norihisa; Vailionis, Arthuras; Mizeikis, Vyngantas; Saito, Akira; Rode, Andrei V

Description

Structural characterization of photomodified microvolumes formed by tightly focused femtosecond laser pulses inside silica glass was carried out using synchrotron x-ray diffraction. The observed distinct separation between the O-O and Si-Si pair correlation peaks can be interpreted as a phase separation induced by microexplosions at the focal volume. The mechanisms of structural transitions induced by femtosecond laser pulses inside dielectrics are discussed.

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/57321
Source: Journal of Optics A: Pure and Applied Optics
DOI: 10.1088/2040-8978/12/12/124007

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