Waveguides based on methacrylate polymers containing active dinitrostilbene chromophores have been fabricated by photobleaching using a xenon lamp. The efficiency of photobleaching, as well as the effective refractive index changes obtainable, represent a singnificant improvement over currently used materials, single‐mode waveguides being formed with a optical loss of less than 1 dB cm −1 .
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McCulloch et al. (1995) studied this question.
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