New optical nonlinear crystallized glasses and YAG laser-induced crystalline dot formation in rare-earth bismuth borate system

T. Honma, Yasuhiko Benino, T. Fujiwara, R. Sato, T. Komatsu

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

New optical nonlinear transparent surface crystallized glasses have been successfully fabricated in the system of Ln2O3-Bi2O3-B2O3 (Ln=La, Sm, Gd). The second harmonic (SH) generation from the crystalline phases at the surface layers has been confirmed from Maker fringe measurements. It is suggested that the optical nonlinear crystals precipitated through the crystallization of Ln2O3-Bi2O3-B2O3 glasses would be new metastable BixLn1-xBO3 phases in which Bi3+ ions in BiBO3 are substituted by Ln3+ ions. The thickness of crystallized surface was approximately 5 μm and SH intensity was 0.02 compared with that of the Z-cut α-quartz with a thickness of 0.6 mm. In 12.5Sm2O3·30Bi2O3·57.5 B2O3 glass, the crystalline dots with diameters of 5-65 μm are formed by the irradiation of CW YAG laser with a wavelength of 1064 nm (at 0.6 and 0.7 W, for 1-240 s), and it is found that these crystalline dots generate optical SH waves. This is the first finding on optical nonlinear crystalline dot formation by YAG laser irradiation in bismuth-containing glasses.

Original languageEnglish
Pages (from-to)27-33
Number of pages7
JournalOptical Materials
Volume20
Issue number1
DOIs
Publication statusPublished - Aug 2002
Externally publishedYes

Fingerprint

Borates
Bismuth
glass lasers
borates
bismuth
Rare earths
YAG lasers
rare earth elements
Crystalline materials
Glass
Lasers
glass
Ions
harmonics
Quartz
irradiation
Continuous wave lasers
Laser beam effects
Harmonic generation
Crystallization

Keywords

  • Bismuth borate glass
  • Rare-earth ions
  • Second harmonic generation
  • Transparent crystallized glass

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

New optical nonlinear crystallized glasses and YAG laser-induced crystalline dot formation in rare-earth bismuth borate system. / Honma, T.; Benino, Yasuhiko; Fujiwara, T.; Sato, R.; Komatsu, T.

In: Optical Materials, Vol. 20, No. 1, 08.2002, p. 27-33.

Research output: Contribution to journalArticle

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