发明名称 |
Near field optical head and information recording and reproducing apparatus mounted with the near field optical head |
摘要 |
In order to provide a near field light head capable of guiding light efficiently to a near field light generating element, capable of being fabricated easily and at low cost and in correspondence with small-sized formation and thin-sized formation, the near field light head of the present invention has a transparent board 101 includes a near field light generating element 102 at a lower face thereof. An upper face or inside of the transparent board 101 is formed with a lens 103 to be opposed to the near field light generating element 102. The upper face of the transparent board 101 is mounted with a single mode fiber 104. The single mode fiber 104 is successively connected with a graded index (GI) fiber 105 and a coreless fiber 106. An end face of the coreless fiber 106 which is not connected to the GI fiber 105 constitutes a reflecting face 107 constituting 45 degrees relative to the upper face of the transparent board 101. The reflecting face 107 is arranged right above the lens 103.
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申请公布号 |
US2006013013(A1) |
申请公布日期 |
2006.01.19 |
申请号 |
US20050155956 |
申请日期 |
2005.06.17 |
申请人 |
HIRATA MASAKAZU;OUMI MANABU;SHIBATA KOICHI |
发明人 |
HIRATA MASAKAZU;OUMI MANABU;SHIBATA KOICHI |
分类号 |
F21V7/04 |
主分类号 |
F21V7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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