发明名称 SEMICONDUCTOR LASER ELEMENT, SEMICONDUCTOR LASER MODULE AND PRODUCTION METHOD THEREFOR AND OPTICAL FIBER AMPLIFIER
摘要 <p>A semiconductor laser module comprising a semiconductor laser element (2) having a first stripe (9) and a second stripe (10) formed spaced apart from each other and respectively emitting a first laser beam (K1) and a second laser beam (K2) from the end faces of the first stripe (9) and the second stripe (10), a first lens (4) divergently separating the first laser beam (K1) from the second laser beam (K2) emitted from the semiconductor element (2), a half-wave plate (6) for rotating 90 degrees the polarization plane of the first laser beam (K1), a polarization synthesis member (7) for synthesizing incident first laser beam (K1) and second laser beam (K2) for outputting, and an optical fiber (8) for receiving a laser beam outputted from the polarization synthesis member (7) for outputting to the outside.</p>
申请公布号 WO2002049172(P1) 申请公布日期 2002.06.20
申请号 JP2001011021 申请日期 2001.12.17
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