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Writing of crystal line patterns in glass by laser irradiation |
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| Authors: | Tsuyoshi Honma Rie Ihara Yasuhiko Benino Ryuji Sato Takumi Fujiwara Takayuki Komatsu |
| Affiliation: | 1. Department of Materials Science and Technology, Nagaoka Univeristy of Technology, Nagaoka 940-2188, Japan;2. Department of Materials Engineering, Tsuruoka National College of Technology, Tsuruoka 997-8511, Japan;3. Department of Applied Physics, Tohoku University, Aoba-ku Sendai 980-8579, Japan |
| Abstract: | We examined the laser-induced crystallization to form the fresnoite type Ba2TiGe2O8 crystal line patterns in transition metal ion doped BaO–TiO2–GeO2 glass. Ba2TiGe2O8 crystal line was written in 0.6FeO–33.3BaO–16.7TiO2–50GeO2 glass by continuous wave yttrium–aluminum–garnet (YAG) laser irradiation. We obtained polarization dependence of Raman spectra in crystal line pattern. Second harmonic generation (SHG) indicated unique fringe patterns from Ba2TiGe2O8 crystal lines. |
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