Fabrication of polycarbonate-based polymer optical fiber cladding: Effect of different solvents


  • Mohd Shahrizan Moslan Universiti Teknologi Malaysia
  • Mohd Hafiz Dzarfan Othman Universiti Teknologi Malaysia
  • Mukhlis A. Rahman Universiti Teknologi Malaysia
  • Ali Reza Samavati Universiti Teknologi Malaysia
  • Muhammad Aizi Salim Universiti Teknologi Malaysia
  • Ahmad Fauzi Ismail Universiti Teknologi Malaysia




Polymer optical fiber, dip-coating, polycarbonate core, PMMA cladding


Normally, the cladding layer is fabricated by using heat through continuous extrusion, melt spinning, batch extrusion, and heat drawing technique. These techniques require high temperature precision in order to obtain the desired morphology of the cladding without compromising the quality of the polymer. Hence, in this study dip-coating method was utilized to coat the polycarbonate (PC) core with poly (methyl methacrylate) (PMMA) as a cladding part. The PC core was dipped into different cladding solutions using three types of organic solvent (i.e. Tetrahydrofuran (THF), N-Methyl-2-pyrrolidone (NMP), and Dimethylacetamide (DMAc) and subjected to post-treatment process. The thickness of fabricated cladding layer was ~10–15 μm for all coating solutions. The cladding prepared by THF exhibits transparent layer wrapping the core. However, the cladding layers for PMMA dissolved in NMP and DMAc showed translucent appearance. The THF/PMMA solvent displayed ~98 % transmittance at visible region which was higher than NMP/PMMA and DMAc/PMMA. The failure strain (3.6 %) and tensile strain (88.98 MPa) of THF/PMMA sample were higher compared to other solutions. Young’s modulus which measures the stiffness and represents the breakability of a solid material was lower for THF/PMMA. Therefore, the THF is the most appropriate solution for fabrication of PC-based POF cladding layer.

Author Biographies

Mohd Shahrizan Moslan, Universiti Teknologi Malaysia

Advanced Membrane Technology Research Centre (AMTEC)

Mohd Hafiz Dzarfan Othman, Universiti Teknologi Malaysia

Advanced Membrane Technology Research Centre (AMTEC)

Mukhlis A. Rahman, Universiti Teknologi Malaysia

Advanced Membrane Technology Research Centre (AMTEC)

Ali Reza Samavati, Universiti Teknologi Malaysia

Advanced Membrane Technology Research Centre (AMTEC)

Muhammad Aizi Salim, Universiti Teknologi Malaysia

Laser Center, Ibnu Sina Institute for Scientific and Industrial Research

Ahmad Fauzi Ismail, Universiti Teknologi Malaysia

Advanced Membrane Technology Research Centre (AMTEC)


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