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- Title
Recording volume holograms on color centers in a CaF crystal.
- Authors
Shcheulin, A.; Angervaks, A.; Ryskin, A.
- Abstract
The conditions for preparing photochromic CaF crystals, recording holograms with 532-nm radiation in them, and postexposure photothermal treatment of samples with holograms that provide the formation of holographic elements of significant thickness (about 1 cm) are considered. It is shown that the diffraction efficiency of volume holograms in such crystals in the case of reading out by radiation with wave-lengths of 532 and 632.8 nm can be as high as 10-15%. The role of the recording mechanism and the Borrmann effect in the fabrication of these holograms is demonstrated.
- Subjects
CALCIUM fluoride crystals; HOLOGRAPHY; COLOR centers (Crystals); THICKNESS measurement; OPTICAL diffraction; MICROFABRICATION; PHOTOTHERMAL spectroscopy
- Publication
Optics & Spectroscopy, 2011, Vol 111, Issue 6, p999
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/S0030400X11130182