A photosensitive composition having low absorption loss at 1,300-1,610 nm and
is
suitable for practical waveguide devices. The composition comprises at least one
(meth)acrylate prepared from a fluorinated monomer or polymer having minimum two
hydroxyl groups, at least one multifunctional non-fluorinated (meth)acrylate and
at least one photoinitiator. An optical coating on a variety of substrates is obtained
by exposing the photosensitive composition to actinic radiation such as UV light.
An optical waveguide device is fabricated by patterning the photosensitive composition
on a substrate.