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Control of frequency chirp in nanosecond-pulsed laser spectroscopy. 1. Optical-heterodyne chirp analysis techniques

White, Richard T; He, Yabai; Orr, Brian J; Kono, Mitsuhiko; Baldwin, Kenneth


We evaluate ways to analyze optical-heterodyne measurements of frequency chirp in pulsed, single-longitudinal-mode output from lasers (or other coherent light sources) that operate on nanosecond time scales. The instantaneous frequency is extracted from the beat signal generated between a continuous-wave reference beam and the output of the pulsed source. Three analysis techniques are tested: Fourier-transform, direct curve fitting, and electronic mixing. We use synthetic beat waveforms based...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of the Optical Society of America B
DOI: 10.1364/JOSAB.21.001577


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