High-average-power green laser using Nd:YAG amplifier with stimulated Brillouin scattering phase-conjugate pulse-cleaning mirror | Zendy

Koji Tsubakimoto | Zendy; Hidetsugu Yoshida | Zendy; N. Miyanaga | Zendy

Open Access

High-average-power green laser using Nd:YAG amplifier with stimulated Brillouin scattering phase-conjugate pulse-cleaning mirror

Author(s) -

Koji Tsubakimoto,

Hidetsugu Yoshida,

N. Miyanaga

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.012557

Subject(s) - optics , materials science , amplifier , brillouin scattering , laser , phase conjugation , pulse duration , laser diode , optoelectronics , physics , cmos

We present a high-average-power green laser based on second harmonic conversion of a laser diode-pumped master oscillator Nd:YAG power amplifier system. The power amplifier chain includes a stimulated Brillouin scattering (SBS) cell that was used a phase-conjugate mirror to double-pass scheme. That suppresses the thermal phase distortion and compresses the pulse duration. The fundamental beam output power was 670 W with a pulse width of 7.9 ns. A second harmonic power of 335 W with a 4.8-ns pulse width and 80-mJ pulse energy was produced using a LiB 3 O 5 (LBO) crystal.

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