高輝度半導体レーザーおよびファイバモジュールの現状

摘要

Recently, laser diodes with high power and high brightness have been developed, and many fiber-coupled laser diodes have been published for many application fields of material processing. In this communication we review the current high brightness single emitter laser diodes, the laser diode bars, and the fiber-coupled laser diodes. We also report Optoenergy's high brightness laser diode products. For 9xx laser diodes we present 15 W reliable operation power from 95μm-wide aperture single emitter laser diodes and 60 W operation power from mini-bars which have 7 emitters and 95 tm-wide aperture. For fiber coupled laser diodes using 105μm core fiber we show single emitter modules for output power in excess of 10 W and multiple single emitter modules for power in excess of 25 W.