Super high power semiconductor lasers.
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概要
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The one watt broad area laser diodes have been developed. The threshold current was 400 mA and the slope efficiency was 1.0 W/A. The far-field radiation pattern parallel to the junction was single-lobed which is understood to be due to the coupling among the fundamental transverse mode and higher transverse modes. The emission wavelength is accurately tuned with a built-in thermo electric cooler which is desirable for pumping solid state lasers. The operating lifetime is expected to be more than ten thousand hours at operating temperatures lower than room temperature. The laser diode pumped solid state lasers and their combination with second harmonic generators are expected to open new dimensions in laser diode applications.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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