An investigation into power attenuations in deformed polymer optical fibers under high temperature conditions

This study investigates the effects of temperature and the bend radius on the power loss and average plastic energy density (APED) in SH-4001, MH-4001 and GH-4001 polymer optical fibers (POFs) deformed at temperatures ranging from 25 to 80 °C. The results show that the APED index provides a viable means of predicting the power loss in the three POFs. Based on the experimental data, curve-fitted equations are derived to estimate the power losses in the three POFs under given deformation and temperature conditions. The difference between the estimated results and the experimental results is found to be less than 6%. The experimental results also indicate that, of the three POFs considered in the present study, the GH-4001 fiber has a higher glass transition temperature and has the best power loss resistance, particularly under higher temperature deformation conditions.