Zig-zag active-mirror laser with cryogenic Yb^3+:YAG/YAG composite ceramics | Zendy

Hiroaki Furuse | Zendy; Junji Kawanaka | Zendy; N. Miyanaga | Zendy; Taku Saiki | Zendy; K. Imasaki | Zendy; Masayuki Fujita | Zendy; Kenji Takeshita | Zendy; S. Ishii | Zendy; Yasukazu Izawa | Zendy

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Zig-zag active-mirror laser with cryogenic Yb^3+:YAG/YAG composite ceramics

Author(s) -

Hiroaki Furuse,

Junji Kawanaka,

N. Miyanaga,

Taku Saiki,

K. Imasaki,

Masayuki Fujita,

Kenji Takeshita,

S. Ishii,

Yasukazu Izawa

Publication year - 2011

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.002448

Subject(s) - optics , laser , materials science , ceramic , composite number , reflection (computer programming) , amplifier , ytterbium , laser power scaling , diode pumped solid state laser , optoelectronics , physics , cmos , computer science , composite material , programming language

We report on a novel amplifier configuration concept for a 10 kW laser system using a zig-zag optical path based on a cryogenic Yb:YAG Total-Reflection Active-Mirror (TRAM) laser. The laser material is a compact composite ceramic, in which three Yb:YAG TRAMs are combined in series to increase the output power. Output powers of up to 214 W with a slope efficiency of 63% have been demonstrated for CW operation, even at a quite low pump intensity of less than 170 W/cm2. Further scaling could achieve output powers of more than 10 kW.

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