Sol-Gel porous glass as holographic medium

Sol-Gel porous glass as holographic medium

Experiments on hologram recording in porous structure obtained by the sol-gel technology were performed. It was shown that holograms with a diffraction efficiency close to 100% can be obtained with the exposure of about 0.1 J/cm. A pronounced birefringence was observed in dry samples, but it diminis...

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Veröffentlicht in:Journal of sol-gel science and technology 1997-02, Vol.8 (1-3), p.1111-1114
Hauptverfasser: Sukhanov, V. I., Kursakova, A. M., Kuchinsky, S. A., Gavrilyuk, E. R., Zerda, T. W.
Format: Artikel
Sprache:eng
Schlagworte:
Birefringence
Diffraction efficiency
Holograms
Holography
Porosity
Porous media
Recording
Sol-gel processes
Submerging
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Zusammenfassung:Experiments on hologram recording in porous structure obtained by the sol-gel technology were performed. It was shown that holograms with a diffraction efficiency close to 100% can be obtained with the exposure of about 0.1 J/cm. A pronounced birefringence was observed in dry samples, but it diminished upon immersion in liquids. To explain this effect, a theoretical model was developed. it was shown that even a low asymmetry in pore structure leads to a pronounced birefringence.
ISSN:0928-0707
1573-4846
DOI:10.1007/BF02436992