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Active compensation of large dispersion of femtosecond pulses for precision laser ranging
2011
Optics Express
Preserved Fulltext
We describe an active way of compensation for large dispersion induced in the femtosecond light pulses travelling in air for laser ranging. The pulse duration is consistently regulated at 250 fs by dispersion control, allowing sub-micrometer resolution in measuring long distances by means of time-of-flight measurement. This method could facilitate more reliable applications of femtosecond pulses for satellite laser ranging, laser altimetry and active LIDAR applications.
doi:10.1364/oe.19.004002
pmid:21369227
fatcat:2ekpc5tmkrh5xdkwcotjashwku