In this work, we reviewed the most important achievements of INESC TEC related to the
fabrication of long-period fiber gratings using the electric arc technique. We focused on the …

In this work, we review the most important achievements of INESC TEC related to the
properties and applications of arc-induced long-period fiber gratings. The polarization …

In this work, we report about our recent results concerning the fabrication of Long Period
Grating (LPG) sensors in several optical fibers, through the Electric Arc Discharge (EAD) …

A safe detection of hydrocarbons is a major concern in industrial and public environment,
due to their high volatility and flammability. In this work, we report the development and …

This paper presents an experimental study of the sensitivity characteristics to the
surrounding refractive index (SRI) in arc-induced long period gratings (LPGs), in order to …

We present and discuss an investigation of the sensing features of long period gratings
fabricated in a polarization-maintaining Panda optical fiber, by means of the electric arc …

In this paper, for the first time, the effects of mixed neutron and gamma flux on the spectral
and sensing responses of Long Period Gratings (LPGs) are thoroughly analyzed. Six LPGs …

We present first-principle calculations on the interaction of atomic and molecular fluorine
with germanium oxygen-deficient center (GODC) in amorphous germanium dioxide (a-GeO …

In this work, we conducted experimental and theoretical investigations on gamma radiation
sensitivity of Long Period Gratings (LPGs), fabricated by electric arc discharge technique in …

In this paper, we present a comparative experimental and theoretical study on gamma
radiation sensitivity of Long Period Gratings (LPGs), fabricated by electric arc discharge …