Formation of nonlinear optical KSm(PO3)4 crystals in phosphate glasses by YAG laser irradiation

Maiko Saito, Tsuyoshi Honma, Yasuhiko Benino, Takumi Fujiwara, Takayuki Komatsu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Some glasses such as 15K2O·15Sm2O 3·70P2O5 giving the formation of the nonlinear optical KSm(PO3)4 phase through the usual crystallization in an electric furnace and through Nd:YAG laser (1064 nm) irradiation have been developed. The crystallization of the KSm(PO 3)4 phase showing a second harmonic generation (SHG) is confirmed from X-ray diffraction analysis and micro-Raman scattering spectra. The lines consisting of the KSm(PO3)4 phase are constructed by YAG laser irradiation with a power of 0.8 W and a moving speed of 0.5 μms-1. It is suggested that the crystal growth rate of KSm(PO3)4 during laser irradiation is extremely low. The micro-photoluminescence spectra for Sm3+ in the crystal lines show the Stark splitting and large intensities compared with the glass part. It is demonstrated that the samarium atom heat processing is effective in the spatially selected crystallization even in phosphate glasses.

Original languageEnglish
Pages (from-to)1013-1018
Number of pages6
JournalSolid State Sciences
Volume6
Issue number9
DOIs
Publication statusPublished - Sep 2004
Externally publishedYes

Fingerprint

Laser beam effects
Crystallization
YAG lasers
phosphates
Phosphates
crystallization
Glass
Crystals
irradiation
glass
electric furnaces
crystals
Samarium
Electric furnaces
samarium
Harmonic generation
Crystal growth
X ray diffraction analysis
Raman scattering
crystal growth

Keywords

  • KSm(PO )
  • Laser-induced crystallization
  • Samarium phosphate glasses

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Formation of nonlinear optical KSm(PO3)4 crystals in phosphate glasses by YAG laser irradiation. / Saito, Maiko; Honma, Tsuyoshi; Benino, Yasuhiko; Fujiwara, Takumi; Komatsu, Takayuki.

In: Solid State Sciences, Vol. 6, No. 9, 09.2004, p. 1013-1018.

Research output: Contribution to journalArticle

Saito, Maiko ; Honma, Tsuyoshi ; Benino, Yasuhiko ; Fujiwara, Takumi ; Komatsu, Takayuki. / Formation of nonlinear optical KSm(PO3)4 crystals in phosphate glasses by YAG laser irradiation. In: Solid State Sciences. 2004 ; Vol. 6, No. 9. pp. 1013-1018.
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AU - Komatsu, Takayuki

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AB - Some glasses such as 15K2O·15Sm2O 3·70P2O5 giving the formation of the nonlinear optical KSm(PO3)4 phase through the usual crystallization in an electric furnace and through Nd:YAG laser (1064 nm) irradiation have been developed. The crystallization of the KSm(PO 3)4 phase showing a second harmonic generation (SHG) is confirmed from X-ray diffraction analysis and micro-Raman scattering spectra. The lines consisting of the KSm(PO3)4 phase are constructed by YAG laser irradiation with a power of 0.8 W and a moving speed of 0.5 μms-1. It is suggested that the crystal growth rate of KSm(PO3)4 during laser irradiation is extremely low. The micro-photoluminescence spectra for Sm3+ in the crystal lines show the Stark splitting and large intensities compared with the glass part. It is demonstrated that the samarium atom heat processing is effective in the spatially selected crystallization even in phosphate glasses.

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