HAMR head spot-size converters with secondary index confinement
CLINTON, THOMAS WILLIAM; STIPE, BARRY C.; TOPOLANCIK, JURAJ
2015-06-25
著作权人WESTERN DIGITAL TECHNOLOGIES, INC.
专利号US20150179197A1
国家美国
文献子类发明申请
其他题名HAMR head spot-size converters with secondary index confinement
英文摘要The present invention generally relates to a HAMR head having not only a tapered core for the SSC, but additionally a secondary confinement material in the cladding surrounding the core taper. The secondary confinement material prevents diverging light from the laser diode from spreading so that the light is coupled into the core of the SSC. The secondary confinement material is a symmetric structure that surrounds the core of the SSC on all sides so that high conversion efficiency is achieved for short taper lengths.
公开日期2015-06-25
申请日期2013-12-20
状态授权
内容类型专利
源URL[http://ir.opt.ac.cn/handle/181661/58904]  
专题半导体激光器专利数据库
作者单位WESTERN DIGITAL TECHNOLOGIES, INC.
推荐引用方式
GB/T 7714
CLINTON, THOMAS WILLIAM,STIPE, BARRY C.,TOPOLANCIK, JURAJ. HAMR head spot-size converters with secondary index confinement. US20150179197A1. 2015-06-25.
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