Spectral beam combining of a 980 nm tapered diode laser bar | Zendy

Deepak Vijayakumar | Zendy; Ole Bjarlin Jensen | Zendy; R. Ostendorf | Zendy; Thomas Westphalen | Zendy; Birgitte Thestrup | Zendy

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Spectral beam combining of a 980 nm tapered diode laser bar

Author(s) -

Deepak Vijayakumar,

Ole Bjarlin Jensen,

R. Ostendorf,

Thomas Westphalen,

Birgitte Thestrup

Publication year - 2010

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.18.000893

Subject(s) - optics , bar (unit) , materials science , diode , beam (structure) , laser beam quality , laser , common emitter , m squared , beam diameter , beam parameter product , laser beams , optoelectronics , physics , meteorology

We demonstrate spectral beam combining of a 980 nm tapered diode laser bar. The combined beam from 12 tapered emitters on the bar yielded an output power of 9.3 W at 30 A of operating current. An M2 value of 5.3 has been achieved along the slow axis. This value is close to that of a free running single tapered emitter on the bar at the same current level. The overall spectral beam combining efficiency was measured to be 63%.

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