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.
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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