Observation of erasable holographic gratings at room temperature in Eu^3+-doped glasses
- 1 October 1986
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 11 (10) , 653-655
- https://doi.org/10.1364/ol.11.000653
Abstract
The characteristics of four-wave mixing signals were studied in Eu3+-doped glasses. When the Eu3+ ions were resonantly excited, two types of laser-induced grating were formed: a transient population grating associated with the excited Eu3+ ions and a holographic grating, which was permanent at room temperature but could be erased either thermally or optically.Keywords
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