Abstract
Fiber optic sheets (10 lines/mm) have been made by a new technique in which a monomer is diffused into a ridged polymer film with a higher refractive index and then polymerized by gamma-ray irradiation. The diffusion profile was controllable from the clad type to the self-focusing type by adjusting the diffusion conditions. The attenuation in the polycarbonate light path (n = 1.59), enclosed with the chemically fixed methyl acrylate polymer (n = 1.49), was 0.5–0.7 dB/cm at λ = 633 nm.
© 1975 Optical Society of America
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