publication . Conference object . Preprint . 2013

The influence of motion and stress on optical fibers

Jeremy D. Murphy; Gary J. Hill; Phillip J. MacQueen; Trey Taylor; Ian M. Soukup; Walter Moreira; Mark E. Cornell; John M. Good; Seth Anderson; Lindsay Fuller; ...
Open Access
  • Published: 01 May 2013
  • Publisher: SPIE
Abstract
We report on extensive testing carried out on the optical fibers for the VIRUS instrument. The primary result of this work explores how 10+ years of simulated wear on a VIRUS fiber bundle affects both transmission and focal ratio degradation (FRD) of the optical fibers. During the accelerated lifetime tests we continuously monitored the fibers for signs of FRD. We find that transient FRD events were common during the portions of the tests when motion was at telescope slew rates, but dropped to negligible levels during rates of motion typical for science observation. Tests of fiber transmission and FRD conducted both before and after the lifetime tests reveal tha...
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Subjects
free text keywords: Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Instrumentation and Detectors, Shear (sheet metal), Transmission loss, Bend radius, Wavelength, Fiber bundle, Composite material, Materials science, Radius, Stress (mechanics), Optical fiber, law.invention, law
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