Crystalline dot and line patterning with SHG in samarium bismuth borate glasses by YAG laser irradiation

Tsuyoshi Honma; Yasuhiko Benino; Takumi Fujiwara; Takayuki Komatsu; Ryuji Sato

Crystalline dot and line patterning with SHG in samarium bismuth borate glasses by YAG laser irradiation

Tsuyoshi Honma, Yasuhiko Benino, Takumi Fujiwara, Takayuki Komatsu, Ryuji Sato

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Transparent surface crystallized glasses in the rare-earth doped bismuth borate system have been successfully fabricated. The irradiation of CW YAG laser with a wavelength of 1064nm induces sharp refractive-index changes or crystalline dot formation, depending on Sm₂O₃ content in the glasses. In 10Sm₂O₃-30Bi₂O₃-60B₂O₃ glass, refractive-index changes (not crystallites) are induced by laser irradiations (power: 1W, time: 1-250s), and spherical spots with 2-45µm are formed. In 12.5Sm₂O₃-30Bi₂O₃-57.5B₂O₃ glass, crystalline dots with the diameters of 5-65µm are formed by laser irradiations (power:0.5-0.7W, times:1-250s). It is found that the crystalline dots generate second harmonic waves. Refractive-index changes by YAG laser irradiations are confirmed in 10Dy₂O₃-30Bi₂O₃-60B₂O₃ glass. In 10Sm₂O₃-35Bi₂O₃-55B₂O₃ glasses, 2-dimentional crystalline line patterns can be fabricated by scanning laser spots with the speeds of 1-10 µm·s^-1. These crystalline lines have wave-guide structure with second order optical non linearity.

Original language	English
Title of host publication	Nonlinear Optics
Subtitle of host publication	Materials, Fundamentals and Applications, NLO 2002
Publisher	Optica Publishing Group (formerly OSA)
Pages	181-183
Number of pages	3
ISBN (Electronic)	1557527210
Publication status	Published - 2002
Externally published	Yes
Event	Nonlinear Optics: Materials, Fundamentals and Applications, NLO 2002 - Wailea, United States Duration: Jul 29 2002 → Aug 2 2002

Publication series

Name	Optics InfoBase Conference Papers

Conference

Conference	Nonlinear Optics: Materials, Fundamentals and Applications, NLO 2002
Country/Territory	United States
City	Wailea
Period	7/29/02 → 8/2/02

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Mechanics of Materials

Cite this

Crystalline dot and line patterning with SHG in samarium bismuth borate glasses by YAG laser irradiation. / Honma, Tsuyoshi; Benino, Yasuhiko; Fujiwara, Takumi et al.

Nonlinear Optics: Materials, Fundamentals and Applications, NLO 2002. Optica Publishing Group (formerly OSA), 2002. p. 181-183 (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Honma, T, Benino, Y, Fujiwara, T, Komatsu, T & Sato, R 2002, Crystalline dot and line patterning with SHG in samarium bismuth borate glasses by YAG laser irradiation. in Nonlinear Optics: Materials, Fundamentals and Applications, NLO 2002. Optics InfoBase Conference Papers, Optica Publishing Group (formerly OSA), pp. 181-183, Nonlinear Optics: Materials, Fundamentals and Applications, NLO 2002, Wailea, United States, 7/29/02.

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abstract = "Transparent surface crystallized glasses in the rare-earth doped bismuth borate system have been successfully fabricated. The irradiation of CW YAG laser with a wavelength of 1064nm induces sharp refractive-index changes or crystalline dot formation, depending on Sm2O3 content in the glasses. In 10Sm2O3-30Bi2O3-60B2O3 glass, refractive-index changes (not crystallites) are induced by laser irradiations (power: 1W, time: 1-250s), and spherical spots with 2-45µm are formed. In 12.5Sm2O3-30Bi2O3-57.5B2O3 glass, crystalline dots with the diameters of 5-65µm are formed by laser irradiations (power:0.5-0.7W, times:1-250s). It is found that the crystalline dots generate second harmonic waves. Refractive-index changes by YAG laser irradiations are confirmed in 10Dy2O3-30Bi2O3-60B2O3 glass. In 10Sm2O3-35Bi2O3-55B2O3 glasses, 2-dimentional crystalline line patterns can be fabricated by scanning laser spots with the speeds of 1-10 µm·s-1. These crystalline lines have wave-guide structure with second order optical non linearity.",

author = "Tsuyoshi Honma and Yasuhiko Benino and Takumi Fujiwara and Takayuki Komatsu and Ryuji Sato",

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AU - Honma, Tsuyoshi

AU - Benino, Yasuhiko

AU - Fujiwara, Takumi

AU - Komatsu, Takayuki

AU - Sato, Ryuji

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N2 - Transparent surface crystallized glasses in the rare-earth doped bismuth borate system have been successfully fabricated. The irradiation of CW YAG laser with a wavelength of 1064nm induces sharp refractive-index changes or crystalline dot formation, depending on Sm2O3 content in the glasses. In 10Sm2O3-30Bi2O3-60B2O3 glass, refractive-index changes (not crystallites) are induced by laser irradiations (power: 1W, time: 1-250s), and spherical spots with 2-45µm are formed. In 12.5Sm2O3-30Bi2O3-57.5B2O3 glass, crystalline dots with the diameters of 5-65µm are formed by laser irradiations (power:0.5-0.7W, times:1-250s). It is found that the crystalline dots generate second harmonic waves. Refractive-index changes by YAG laser irradiations are confirmed in 10Dy2O3-30Bi2O3-60B2O3 glass. In 10Sm2O3-35Bi2O3-55B2O3 glasses, 2-dimentional crystalline line patterns can be fabricated by scanning laser spots with the speeds of 1-10 µm·s-1. These crystalline lines have wave-guide structure with second order optical non linearity.

AB - Transparent surface crystallized glasses in the rare-earth doped bismuth borate system have been successfully fabricated. The irradiation of CW YAG laser with a wavelength of 1064nm induces sharp refractive-index changes or crystalline dot formation, depending on Sm2O3 content in the glasses. In 10Sm2O3-30Bi2O3-60B2O3 glass, refractive-index changes (not crystallites) are induced by laser irradiations (power: 1W, time: 1-250s), and spherical spots with 2-45µm are formed. In 12.5Sm2O3-30Bi2O3-57.5B2O3 glass, crystalline dots with the diameters of 5-65µm are formed by laser irradiations (power:0.5-0.7W, times:1-250s). It is found that the crystalline dots generate second harmonic waves. Refractive-index changes by YAG laser irradiations are confirmed in 10Dy2O3-30Bi2O3-60B2O3 glass. In 10Sm2O3-35Bi2O3-55B2O3 glasses, 2-dimentional crystalline line patterns can be fabricated by scanning laser spots with the speeds of 1-10 µm·s-1. These crystalline lines have wave-guide structure with second order optical non linearity.

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Crystalline dot and line patterning with SHG in samarium bismuth borate glasses by YAG laser irradiation

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