Phase conjugation of BaTiO3:Ce by backward stimulated photorefractive scattering
- 2 May 1994
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 64 (18) , 2341-2343
- https://doi.org/10.1063/1.111608
Abstract
We present a self‐pumped phase conjugator (SPPC) based on backward stimulated photorefractive scattering in a BaTiO3:Ce crystal in air without any external seed beam. Stable reflectivities of as much as 70% and good phase conjugate fidelity have been demonstrated in the 0°‐cut crystals. Over 50% reflectivities at 515 nm have been obtained at an incident angle between 20° and 70°. In comparison with undoped 0°‐cut and 45°‐cut crystals, the buildup time of SPPC is much faster for the same intensity.Keywords
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