Abstract
We report herein a systematical study on the fabrication of fiber polymer axicons and their applications for optically scanning imaging on both reflection and transmission. The polymer axicon was integrated on the fiber extremity within several minutes by a photo-polymerization method. The photosensitive solution consists of three major components: a photosensitive dye eosin Y, an amine cosynergist methyldiethanolamine (MDEA) and a multifunctional monomer pentaerythritol triacrylate (PETA). The laser wavelength is 532 nm. Numerical calculations have been performed on a variety of fiber polymer axicon structures in consideration of their spot size and focal position. Additionally, we present the imaging results for both micro/nanometric scaled samples with the optical resolution up to submicron using this fiber polymer axicon based scanning microscopy system.
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