Light leakage in optical fibers: experimental results, modeling and the consequences for solar concentrators Academic Article uri icon


  • Optical fibers used to transport sunlight exhibit considerable light leakage within their nominal numerical aperture. Of particular interest in the design and diagnosis of solar fiber- optic concentrators is the dependence of this leakage on:(a) incidence angle,(b) the optical properties of the core and the cladding, and (c) fiber length. We present measurements of fiber angular transmission, along with a theoretical model. The implications for solar fiber- optic concentrators are also assessed.

publication date

  • January 1, 2002