Patterning of non-linear optical crystals in glass by laser-induced crystallization

T. Komatsu, R. Ihara, T. Honma, Yasuhiko Benino, R. Sato, H. G. Kim, T. Fujiwara

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

This paper reports recent progress in the patterning of non-linear optical crystals on the glass surface by laser irradiation. Two techniques for the writing of crystal lines have been developed, i.e., rare-earth (samarium) atom heat processing and transition metal atom heat processing, in which a continuous wave Nd:YAG laser (wavelength: λ.= 1064 nm) is irradiated to the glasses containing rare-earth (RE: Sm3+, Dy3+) ions or transition metal (TM: Ni2+, Fe2+, V4+) ions. The writing of crystal lines such as ß-BaB2O4, Sm xBi1-xBO3, and Ba2TiGe 2O8 showing second harmonic generations has been successful. It is clarified from the azimuthal dependence of second harmonic intensity and polarized micro-Raman scattering spectra that crystal Unes consist of highly oriented crystals along the crystal line growth direction. It is also possible to write two-dimensional crystal bending or curved lines by just changing the laser scanning direction. The mechanism of the laser-induced crystallization has been proposed.

Original languageEnglish
Pages (from-to)699-705
Number of pages7
JournalJournal of the American Ceramic Society
Volume90
Issue number3
DOIs
Publication statusPublished - Mar 2007
Externally publishedYes

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Crystallization
Glass
Crystals
Lasers
Rare earths
Transition metals
Samarium
Ions
Atoms
Laser beam effects
Harmonic generation
Processing
Raman scattering
Scanning
Wavelength

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Patterning of non-linear optical crystals in glass by laser-induced crystallization. / Komatsu, T.; Ihara, R.; Honma, T.; Benino, Yasuhiko; Sato, R.; Kim, H. G.; Fujiwara, T.

In: Journal of the American Ceramic Society, Vol. 90, No. 3, 03.2007, p. 699-705.

Research output: Contribution to journalArticle

Komatsu, T. ; Ihara, R. ; Honma, T. ; Benino, Yasuhiko ; Sato, R. ; Kim, H. G. ; Fujiwara, T. / Patterning of non-linear optical crystals in glass by laser-induced crystallization. In: Journal of the American Ceramic Society. 2007 ; Vol. 90, No. 3. pp. 699-705.
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