发明名称 |
Light-guide, light source apparatus and endoscope system |
摘要 |
When light enters a first small diameter fiber at an incident angle of 0°, exit light from the first small diameter fiber has a substantially convex light amount distribution in a diameter direction. When light enters a second small diameter fiber at an incident angle of 12°, exit light from the second small diameter fiber has a substantially concave light amount distribution in a diameter direction. The exit light from the first and second small diameter fibers enters a large diameter fiber and is combined therein, making the light amount distribution uniform in the large diameter fiber. The large diameter fiber has a tapered core and a tapered clad in a light exit section. The light in the large diameter fiber is output from a light exit surface thereof and also leaked from the tapered clad. |
申请公布号 |
US8641607(B2) |
申请公布日期 |
2014.02.04 |
申请号 |
US20100705855 |
申请日期 |
2010.02.15 |
申请人 |
SHIMOTSU SHINICHI;FUJIFILM CORPORATION |
发明人 |
SHIMOTSU SHINICHI |
分类号 |
A61B1/06;F21V7/04;G02B6/44 |
主分类号 |
A61B1/06 |
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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