Abstract
A series of novel cross-linkable bromo-fluorinated poly(arylene ether ketone)s have been synthesized and used to fabricate photonic devices. The polymers, prepared by polycondensation reactions of decafluorobenzophenone with mixtures of bisphenols in different ratios, exhibit excellent solubility in common organic solvents and can be easily cast into optical-quality thin films by spin coating. The materials are thermally stable with decomposition temperatures (, weight loss) over and have high glass transition temperatures in the range of . By controlling the bromine content of the polymers, the refractive index can be precisely controlled over a range as wide as 0.07. The material has excellent design flexibility, low optical loss ( at ), a low birefringence , and is suitable for use in wavelength sensitive photonic devices based on arrayed waveguide gratings.
© 2006 Optical Society of America
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