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Optical Fiber Provides Real-Time Diagnostic Guidance

Sep 16, 2022, 07:51 AM by User Not Found

The biomedical community recognized the advantages of optical fibers long ago, accepting them even before their adoption for long-haul telecommunications1. Early research on the light-guiding properties of fibers in the late 1920s was aimed at applications in medical imaging. The first clad optical fiber was drawn on December 8, 1956, by Larry Curtis (Figure 1), a graduate student under Basil Hirschowitz at the University of Michigan. The technology was used in a multifiber bundle for a fiber endoscope, which Hirschowitz first tested on himself2.

Figure 1. Larry Curtis of the University of Michigan draws the first optical clad fiber by the rod-in-tube method, for use in a medical endoscope. Courtesy of Abraham Katzir.
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