Abstract
A novel means of transducing tensile stress using a diffractive Bragg grating based polymeric sensor is presented. The diffraction, gratings are successfully fabricated on a polydimethylsiloxane (PDMS) polymer using the holographic interference and micromolding technique. The micro MTS tensile test incorporated with the Raman experiment showed that a relationship between the load and the observed diffraction pattern shift could be obtained. The results show an excellent correlation between the optical measurement and load with a tensile sensitivity of 0.05N. However, this value would be much lower if a better optical and mechanical setup were used.