High-speed phase- and group-delay scanning with a grating-based phase control delay line. - NCBI HomePage -Optical Coherence Tomography News

High-speed phase- and group-delay scanning with a grating-based phase control delay line.

NCBI HomePage Dec 1 1997

Related Articles High-speed phase- and group-delay scanning with a grating-based phase control delay line. Opt Lett. 1997 Dec 1;22(23):1811-3 Authors: Tearney GJ, Bouma BE, Fujimoto JG A rapid-scanning optical delay line that employs phase control has several advantages, including high speed, high duty cycle, phase- and group-delay independence, and group-velocity dispersion compensation, over existing optical delay methods for interferometric optical ranging applications. We discuss the grating-based phase-control delay line and its applications to interferometric optical ranging and measurement techniques such as optical coherence domain reflectometry and optical coherence tomography. The system performs optical ranging over an axial ...
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