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Updated: Aug 7, 2026
Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
Published on: December 18, 2015
Octave-spanning Ti:sapphire laser with a repetition rate >1 ghz for optical frequency measurements and comparisons
T M Fortier1, A Bartels, S A Diddams
1Physics Division P-23, MS H803, Los Alamos National Laboratories, Los Alamos, New Mexico 87545, USA. sdiddams@boulder.nist.gov
Abstract:
We demonstrate a self-referenced, octave-spanning, mode-locked Ti:sapphire laser with a scalable repetition rate (550 MHz - 1.35 GHz). We use the frequency comb output of the laser, without additional broadening in optical fiber, for simultaneous measurements against atomic optical standards at 534, 578, 563, and 657 nm and to stabilize the laser offset frequency.
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