Control of frequency chirp in nanosecond-pulsed laser spectroscopy. 1. Optical-heterodyne chirp analysis techniques
JOSA B, Vol. 21, Issue 9, pp. 1577-1585 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001577
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Abstract
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 on actual experimental parameters to evaluate the three methods and apply these chirp-measurement techniques to an injection-seeded optical parametric oscillator system.
© 2004 Optical Society of America
OCIS Codes
(040.2840) Detectors : Heterodyne
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(230.4320) Optical devices : Nonlinear optical devices
(300.6320) Spectroscopy : Spectroscopy, high-resolution
Citation
Richard T. White, Yabai He, Brian J. Orr, Mitsuhiko Kono, and K. G. H. Baldwin, "Control of frequency chirp in nanosecond-pulsed laser spectroscopy. 1. Optical-heterodyne chirp analysis techniques," J. Opt. Soc. Am. B 21, 1577-1585 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-9-1577
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