Patents Represented by Law Firm Kelley, David P.
  • Method and apparatus for determining index of refraction profiles of optical fibers
    Patent number: 4468118
    Abstract: A photoconductor having a passageway therethrough is employed in practicing the refractive near-field method of determining the index of refraction profile of an optical fiber as a technique of eliminating leaky mode contribution to detected power.
    Type: Grant
    Filed: September 17, 1982
    Date of Patent: August 28, 1984
    Assignee: AT&T Technologies, Inc.
    Inventor: Chester L. Bice