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Holographic Recording with the Use of Bistable Centers in CdF_{2}

100%

Koziarska B., Langer J. M., Ryskin A. I., Shcheulin A. S., Suchocki A.

Acta Physica Polonica A

1995

vol. 88

issue 5

1010-1012

We show that bistability and metastability of In and Ga impurities in CdF_{2} crystals can be efficiently used in writing volume holographic gratings. Phototransformation of these impurities from the localized to the hydrogenic state leads to a large change of the local polarizability of the host, and thus a significant change of the refractive index. While CdF2:In can be used only at low temperatures (below 150 K), CdF2:Ga crystals are suitable for room temperature recording.

Use of Bistable Centers in CdF_{2} for Holographic Recording

100%

Langer J. M., Koziarska-Glinka B., Suchocki A.

Acta Physica Polonica A

1997

vol. 92

issue 4

673-683

It is shown that metastable centers in various semiconductors can be used for efficient hologram recording. This type of holographic materials has a very high dynamic range and sensitivity. Their major drawback for possible applications is low metastability temperature. This problem can be overcome by using CdF_{2}:Ga crystals, which exhibit metastability below 240 K. This material is suitable for writing thick and multiple holograms both in static and dynamic regimes.

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2 Acta Physica Polonica A

1 1997

1 1995

2 Langer J. M.

2 Suchocki A.

1 Koziarska B.

1 Koziarska-Glinka B.

1 Ryskin A. I.

1 Shcheulin A. S.

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Holographic Recording with the Use of Bistable Centers in CdF_{2}

Use of Bistable Centers in CdF_{2} for Holographic Recording