Line patterning with large refractive index changes in the deep inside of glass by nanosecond pulsed YAG laser irradiation

T. Honma, Yasuhiko Benino, T. Fujiwara, Takayuki Komatsu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Nanosecond (∼100 ns) pulsed (10 Hz) Nd:YAG laser operating at the wavelength (λ) of 1064 nm with pulse energies of 0.16-1.24 mJ/cm 2 has irradiated 10Sm2O3·40BaO· 50B2O3 glass. It is demonstrated for the first time that the structural modification resulting the large decease (∼3.5%) in the refractive index is induced by the irradiation of YAG laser with λ=1064 nm. The lines with refractive index changes are written in the deep inside of 100-1000 μm depths by scanning laser. The line width is 1-13 μm, depending on laser pulse energy and focused beam position. It is proposed that the samarium atom heat processing is a novel technique for inducing structural modification (refractive index change) in the deep interior of glass.

Original languageEnglish
Pages (from-to)193-196
Number of pages4
JournalSolid State Communications
Volume135
Issue number3
DOIs
Publication statusPublished - Jul 2005
Externally publishedYes

Fingerprint

Laser beam effects
Pulsed lasers
YAG lasers
pulsed lasers
Refractive index
refractivity
Glass
irradiation
Lasers
glass
Samarium
samarium
pulses
Linewidth
lasers
Laser pulses
Irradiation
Scanning
heat
Wavelength

Keywords

  • A. Glass
  • B. Laser processing
  • D. Optical properties

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Line patterning with large refractive index changes in the deep inside of glass by nanosecond pulsed YAG laser irradiation. / Honma, T.; Benino, Yasuhiko; Fujiwara, T.; Komatsu, Takayuki.

In: Solid State Communications, Vol. 135, No. 3, 07.2005, p. 193-196.

Research output: Contribution to journalArticle

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AU - Komatsu, Takayuki

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