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Optics Letters

Optics Letters


  • Vol. 24, Iss. 16 — Aug. 15, 1999
  • pp: 1136–1138

Composition dependence of the photoinduced refractive-index change in lead silicate glasses

X.-C. Long and S. R. J. Brueck  »View Author Affiliations

Optics Letters, Vol. 24, Issue 16, pp. 1136-1138 (1999)

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A large photoinduced refractive-index change (as great as Δn=0.21±0.04) is obtained in lead silicate glasses by irradiation with the frequency-quadrupled output of a Q -switched YAG laser (266 nm). An approximately exponential relationship is found between the photoinduced refractive-index change and the lead cation mole fraction over the composition range from 18.7% to 57%. The induced refractive-index change is permanent and shows no decay after heating to 360°C during 1 h. Dispersion of the refractive-index change suggests that the photosensitivity is associated with changes in the intrinsic glass absorption edge.

© 1999 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.2400) Fiber optics and optical communications : Fiber properties
(090.7330) Holography : Volume gratings
(130.3130) Integrated optics : Integrated optics materials
(160.2750) Materials : Glass and other amorphous materials
(350.2770) Other areas of optics : Gratings

X.-C. Long and S. R. J. Brueck, "Composition dependence of the photoinduced refractive-index change in lead silicate glasses," Opt. Lett. 24, 1136-1138 (1999)

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