Abstract

Summary Self-pumped phase conjugation was performed in a photorefractive cerium-doped barium titanate crystal by nanosecond pulses from a laser diode. The reflectivity of the phase conjugator against the incident angle and the incident position was measured in two configurations. The steady-starte reflectivity of the pulsed phase-conjugate wave increases and the response time decreases as pulse width of incident pulses increases.

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