We report our recent development on polymer optical fibers with the ultimate goal to realize all polymer-
based systems for sensing applications. The progress on the development of dopant polymer fibers
and a low-cost, compact polymer optical sensing system is reported. Trans-4-stilbenemethanol doped
photosensitive single-mode polymer optical fiber was fabricated, and fiber Bragg gratings were successfully
photo-written onto the fiber. Single-mode perfluorinated polymer optical fibers is demonstrated,
with the transmission loss of