Abstract
Photorefractive self-pumped phase conjugation (SPPC) behavoir is examined at 633 nm in cerium-doped barium titane crystals. A reflectivity as high as 86.8% is reported. The buildup times are an order of magnitude faster than the corresponding values in Co: BaTiO 3 and Cu: KNSBN crystals with input powers. A possible mechanism responsible for the high self-pumped phase conjugation reflectivities in the negative incident angle range is discussed.
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