Linearization of ultra-broadband optical chirps for precision length metrology

Zeb W Barber,Christoffer Renner,W R Babbitt,Randy R Reibel,Peter A Roos,Trenton Berg,Brant M Kaylor,Nathan Greenfield

CLEO) and Quantum Electronics and Laser Science Conference（2010）

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摘要

We demonstrate precise active linearization of ultra-broadband (>5 THz) laser frequency sweeps using a self-heterodyne technique. Frequency errors less than 170 kHz relative to linearity were observed enabling very high resolution ranging over large distances.

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关键词

chirp modulation,laser frequency stability,laser ranging,light interferometry,measurement by laser beam,active linearization,precision length metrology,self-heterodyne technique,ultrabroadband laser frequency sweeps,ultrabroadband optical chirp,laser radar,frequency,frequency modulation,fiber lasers,optical filters,metrology

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