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Conferences > CLEO_Europe > 2009 > CC1 > CC1_1
  • CLEO/Europe and EQEC 2009 Conference Digest
  • (Optica Publishing Group, 2009),
  • paper CC1_1

Sub-50 W pico-second output from a Nd:YVO4 phase-conjugate amplifier

Koji Nawata, Hidetoshi Kawawa, and Takashige Omatsu

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Abstract

High-power pico-second lasers with high beam-quality have been intensely sought for various industrial and science applications, including micromachining, laser display, and nonlinear frequency conversion. To date, pico-second phase-conjugate master-oscillator power amplifiers (PC-MOPA) utilizing a diode-pumped Nd doped vanadate slab bounce amplifier in combination with a photorefractive phase-conjugate mirror based on rhodium-doped barium titanate (Rh:BaTiO3) have been successfully demonstrated to produce high power (~26W, >2 MW) and near-diffraction-limited pico-second output by our group[1]. The output power is impacted by parasitic oscillation due to an extremely high gain (>104) in the amplifier with multi-pass geometry.

© 2009 IEEE

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