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- Title
Postexposure sensitization of holograms on the basis of color centers in CaF<sub>2</sub> crystals by incoherent radiation.
- Authors
Shcheulin, A.; Koklyushkin, A.; Tsygankova, E.; Ryskin, A.
- Abstract
It has been reported about recording highly stable holograms on the basis of color centers in calcium fluoride crystals at a temperature of 200°C by UV light. In this study, holograms were recorded by visible light (4880 Å). The recorded holograms have a low diffraction efficiency, which can be significantly increased using postexposure irradiation of a sample by incoherent UV light at a temperature of 200°C. This increase demonstrates an important role of the drift component in the diffusion-drift mechanism of recording holograms based on color centers in ionic crystals.
- Subjects
CALCIUM fluoride crystals; HOLOGRAPHY; OPTICAL diffraction; COLOR centers (Crystals); DIFFUSION
- Publication
Optics & Spectroscopy, 2008, Vol 104, Issue 6, p935
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/S0030400X08060210