Abstract
The dynamic range, sensitivity, and dark decay of holographic recording of wavelength 458 nm in crystals doped with 0.2-at. % Mn with different oxidation states have been measured. The measured sensitivity is and is found to be independent of the oxidation state, and the largest obtained is (extraordinary light polarization; light wavelength, 458 nm). This combination of very large and high sensitivity is in strong contrast with results for for which a direct trade-off exists between and sensitivity. The activation energy of the dark decay of holograms stored in these crystals is , which is characteristic of proton compensation and leads to a projected lifetime of holograms of three years at room temperature.
© 2002 Optical Society of America
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