SYSTEM AND METHOD FOR DYNAMICALLY SWEEPING A TUNABLE LASER

摘要

The invention provides a dynamically swept tunable laser system and method for measuring sensor characteristics obtained from an array of optical sensors comprising means for dividing the total wavelength sweep of the laser into different regions in any particular order where each region contains single or multiple contiguous sweep segments and where each sweep segment is referenced by a start and a stop reference and can have different lengths compared to the other sweep segments. The sensor characteristics are determined from each region swept by the tunable laser. The invention provides for the tunable laser to be adapted to operate in a quasi-continuous mode to select segments in any order. The relative sweep rates of regions can be changed such that some regions can be swept more times than other regions.

主权项

1. A dynamically swept tunable laser system to measure sensor characteristics obtained from an array of optical sensors from at least one wavelength sweep, said system comprising:
a module for dividing the total wavelength sweep of the laser into a plurality of regions in any particular order where each region comprises at least one or more contiguous sweep segments; each sweep segment is referenced by a start and a stop reference and selected with different lengths compared to other sweep segments; and a module for determining sensor characteristics from each segment swept by the tunable laser, wherein the tunable laser will only interrogate segments where sensor characteristics are determined for a subsequent wavelength sweep.