Optical fiber sensor system

A light source for a system having a sensor array including a first light responsive sensor having a first operating bandwidth wherein the first sensor modifies light provided to it at a wavelength indicative of a first sensed parameter and including a second light responsive sensor having a second operating bandwidth wherein the second bandwidth is different from the first operating bandwidth wherein the second sensor modifies light provided to it at a wavelength indicative of a second sensed parameter, said light source comprising:

• a tunable light source providing light illuminating the sensor array, the light provided to each of the first and second sensors having a wavelength which varies over the first and second bandwidths;
• a detecting circuit for providing a signal representative of light modified by the first and second sensors;
• and
• a processor for processing the representative signals provided by the detecting circuit to determine the first and second parameters being monitored by the first and second sensors, respectively.

A system comprising:

• a first light responsive sensor having a first operating bandwidth wherein the first sensor modifies light provided to it at a wavelength indicative of a first sensed parameter;
• a second light responsive sensor having a second operating bandwidth wherein the second bandwidth is different from the first operating bandwidth and wherein the second sensor modifies light provided to it at a wavelength indicative of a second sensed parameter;
• a light source providing light;
• a tunable etalon receiving the provided light and providing illuminating light to the sensors, the illuminating light provided to each of the first and second sensors having a wavelength which varies over the first and second bandwidths;
• a detecting circuit for providing a signal representative of light modified by the first and second sensors;
• and
• a processor for processing the representative signals provided by the detecting circuit to determine the first and second parameters being monitored by the first and second sensors, respectively.