发明名称 |
Optical beam diameter reducer |
摘要 |
An optical beam diameter reducer for reducing a beam diameter of an optical beam comprises a three-layer structure composed of a central core, a refractive index inclined layer formed outside the core which refractive index gradually decreases toward the outside in the radial direction and a cladding layer formed outside the refractive index inclined layer.
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申请公布号 |
US6393189(B1) |
申请公布日期 |
2002.05.21 |
申请号 |
US20000507624 |
申请日期 |
2000.02.17 |
申请人 |
KDD CORPORATION |
发明人 |
MIMURA YOSHINORI;NODA YUKIO;NAKAI TETSUYA;TANI TOSHIO |
分类号 |
G02B6/02;G02B6/028;G02B6/26;G02B6/42;H01S3/06;H01S3/10;(IPC1-7):G02B6/02 |
主分类号 |
G02B6/02 |
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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