Optical operation by sound velocities in tellurite glasses Er3+and Pr3+ ions doped

► Nanosecond pulse treatment of TeO2–WO3–PbOxEr2O3−yPr6O11 was performed. ► Giant changes of the sound velocities were established. ► The increasing temperature favours enhanced photoinduced changes. Glass composition TeO2–WO3–PbOxEr2O3−yPr6O11 (with x=0.30mol%, y=0.07mol%) was synthesized. These gl...

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Bibliographic Details
Published in:Journal of alloys and compounds 2012-09, Vol.536 (SUPPL.1), p.S469-S471
Main Authors: Ozga, K., Kityk, I.V., Reben, M., Wasylak, J., Al Zayed, N., Rakus, P., Ślęzak, A., Szota, M., Nabialek, M., Dospial, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Density
Exact sciences and technology
Glass
Lasers
Nanocomposites
Nanomaterials
Nanostructure
Optical materials
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Physics
Piezo-, elasto-, acoustooptical, and photoacoustic effects
Rare earth
Reheating
Second harmonic generation
Semiconductor lasers
Sound velocity
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Summary:► Nanosecond pulse treatment of TeO2–WO3–PbOxEr2O3−yPr6O11 was performed. ► Giant changes of the sound velocities were established. ► The increasing temperature favours enhanced photoinduced changes. Glass composition TeO2–WO3–PbOxEr2O3−yPr6O11 (with x=0.30mol%, y=0.07mol%) was synthesized. These glasses possess high stability and resistance against crystallization during reheating. We have studied the changes of the sound velocities versus the power densities for the nanosecond Nd:YAG lasers operating at 532nm and 1064nm. The laser power density was successively increased up to 1GW/cm2. We have found substantial increase of the relative sound velocity (up to 0.035). These changes are stable within the few minutes after interruption of illumination which is durated up to 3min.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2011.10.024