Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films

T. Fujiwara, T. Sawada, Yasuhiko Benino, T. Komatsu, M. Takahashi, T. Yoko, J. Nishii

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The authors report what is, to our best knowledge, the first observation of second-harmonic generation (SHG) directly from the crystalline particles in Ge-doped SiO2 (Ge:SiO2) glass films. Ge:SiO2 glass films with approximately 5 μm thickness were fabricated by chemical vapor-phase deposition. X-ray diffraction (XRD) peaks at around 2θ=22° in thermally crystallized Ge:SiO2 films were observed, and obtained XRD patterns are exactly the same as those in ultraviolet-laser-poled Ge:SiO2 glasses. Using SHG microscopic technique with a Nd:YAG laser, it has been successfully found that SH emitting with 532 nm wavelength is observed directly from the crystalline particles induced in the crystallized films.

Original languageEnglish
Pages (from-to)1598-1606
Number of pages9
JournalOptics Express
Volume11
Issue number14
Publication statusPublished - 2003
Externally publishedYes

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harmonic generations
glass
ultraviolet lasers
YAG lasers
x rays
diffraction patterns
vapor phases
diffraction
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Fujiwara, T., Sawada, T., Benino, Y., Komatsu, T., Takahashi, M., Yoko, T., & Nishii, J. (2003). Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films. Optics Express, 11(14), 1598-1606.

Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films. / Fujiwara, T.; Sawada, T.; Benino, Yasuhiko; Komatsu, T.; Takahashi, M.; Yoko, T.; Nishii, J.

In: Optics Express, Vol. 11, No. 14, 2003, p. 1598-1606.

Research output: Contribution to journalArticle

Fujiwara, T, Sawada, T, Benino, Y, Komatsu, T, Takahashi, M, Yoko, T & Nishii, J 2003, 'Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films', Optics Express, vol. 11, no. 14, pp. 1598-1606.
Fujiwara T, Sawada T, Benino Y, Komatsu T, Takahashi M, Yoko T et al. Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films. Optics Express. 2003;11(14):1598-1606.
Fujiwara, T. ; Sawada, T. ; Benino, Yasuhiko ; Komatsu, T. ; Takahashi, M. ; Yoko, T. ; Nishii, J. / Direct observation of second-harmonic generation from crystalline particles in Ge-doped SiO2 glass films. In: Optics Express. 2003 ; Vol. 11, No. 14. pp. 1598-1606.
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