发明名称 |
Apparatus and method for determining refractive index profile in a cylindrical article |
摘要 |
Apparatus and a method for analyzing the refractive index profile of a cylindrical, transparent optical waveguide preform, utilizing a scanning light beam to traverse a fixed preform and a refractor to direct light deflected by the preform onto a displacement sensor, is described.
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申请公布号 |
US4441811(A) |
申请公布日期 |
1984.04.10 |
申请号 |
US19810300796 |
申请日期 |
1981.09.10 |
申请人 |
CORNING GLASS WORKS |
发明人 |
MELEZOGLU, CEVDET;SMITH, DAVID J. |
分类号 |
G01N21/41;(IPC1-7):G01N21/47 |
主分类号 |
G01N21/41 |
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代理人 |
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地址 |
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