Power scaling of Mini-Bar based, High-Power 780-980nm Pump Modules at Spectra-Physics
2009
Continued advances in high power diode laser technology enable new applications and
enhance existing ones. Recently, mini-bar based modules have been demonstrated which combine
the advantages of independent emitter failures previously shown in single-stripe architectures with
the improved brightness retention enabled by multi-stripe architectures.
In this work we highlight advances in a family of compact, environmentally rugged mini-bar
based fiber coupled Orion modules. Advances in PCE (power conversion efficiency) and reliable
operating power from a 9xx nm wavelength unit are shown from such modules. Additionally,
highly reliable fiber coupled operation and performance data is demonstrated in other wavelengths
in the 780 - 980 nm range. Data demonstrating the scaling this technology to 25W and higher
power levels will be given.
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