Title :
Selective synchronization of time-domain multiplexed sensors by correlation of pseudo-orthogonal codes
Author :
Perraud, Eric ; Isbert, Jacques
Author_Institution :
Onera Cert, Toulouse, France
Abstract :
A new approach to time-domain multiplexing of fiber-optic sensors is presented: a synchronization pulse is sent back only by the questioned sensor. This selective synchronization is obtained by correlating a pulse sequence and the codes which are assigned to each sensor.<>
Keywords :
codes; fibre optic sensors; multiplexing; fiber-optic sensors; pulse sequence; selective synchronization; synchronization pulse; time-domain multiplexed sensors; Autocorrelation; Length measurement; Optical fiber cables; Optical fiber sensors; Optical pulses; Optical sensors; Optoelectronic and photonic sensors; Pulse measurements; Time domain analysis; Wavelength measurement;
Journal_Title :
Photonics Technology Letters, IEEE