This thesis work has been conducted in order to study and test the functioning of the optical fibers as sensors. They can be used in fact to measure strain, temperature and pressure variations. Thanks to the equipments located in the PhotoNext Laboratory, into the Mechanical and Aerospace Department of our Politecnico diTorino, it has been possible to prepare a particular test bench. Thanks to it, we performed all the tests, verifying and analysing the wavelength variations. These measurements have been read through the Fiber Bragg Gratings (FBG) installed into the optical fiber's core. So the objective of this thesis work consists in using new equipments to make the tests automatic.