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Opt Express. 2010 Jan 18;18(2):893-8. doi: 10.1364/OE.18.000893.

Spectral beam combining of a 980 nm tapered diode laser bar.

Author information

1
DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark. devi@fotonik.dtu.dk

Abstract

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%.

PMID:
20173910
[Indexed for MEDLINE]

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