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Large photoinduced refractive index changes in pulsed-laser-deposited lead germanate glass waveguides with controllable refractive index sign change

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Abstract.

Photosensitive lead germanate glass optical waveguides have been grown by pulsed laser deposition. The deposited waveguides are photosensitive over a broad ultraviolet spectral range (325–193 nm). Positive and/or negative refractive index changes have been observed, depending on the intensity of the ultraviolet radiation as well as on the deposition conditions. Absolute refractive index change values up to |Δn|=1.06×10-2 have been measured.

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Authors and Affiliations

  1. Optoelectronics Research Centre, Southampton University, Southampton, SO17 1BJ, UK, , , , , , UK

    S. Mailis, L. Reekie, S. Pissadakis, S.J. Barrington & R.W. Eason

  2. FO.R.T.H-IESL, Laser and Applications Division, P.O. Box 1527, Heraklion 71110, Crete, Greece, , , , , , GR

    N.A. Vainos & C. Grivas

Authors
  1. S. Mailis
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  2. L. Reekie
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  3. S. Pissadakis
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  4. S.J. Barrington
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  5. R.W. Eason
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  6. N.A. Vainos
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  7. C. Grivas
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Additional information

Received: 21 July 1999 / Accepted: 11 September 1999 / Published online: 22 December 1999

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Mailis, S., Reekie, L., Pissadakis, S. et al. Large photoinduced refractive index changes in pulsed-laser-deposited lead germanate glass waveguides with controllable refractive index sign change . Appl Phys A 69 (Suppl 1), S671–S674 (1999). https://doi.org/10.1007/s003390051502

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  • DOI: https://doi.org/10.1007/s003390051502

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