Time domain study on cavity ring-down signals from a Fabry-Perot cavity under pulsed laser excitations

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We present an analysis on ring-down signals produced by a pulsed laser excitation of a Fabry-Perot cavity. Main features of a ring-down signal are numerically investigated by taking time domain approach,under a simplistic assumption that a Fourier-transform-limited Gaussian laser pulse be injected to a stable empty cavity with complete mode-match to the lowest cavity transverse mode. Temporal aspects and output coupling efficiency of a ring-down signal are obtained with excitation pulse duration and cavity parameters taken into account. Clear physical insight is allowed in the time domain description especially for the forefront transient peak and the inherent intensity modulation which are found to be superimposed on a ring-down signal.
Publisher
JAPAN J APPLIED PHYSICS
Issue Date
1999-11
Language
English
Article Type
Article
Keywords

ABSORPTION-MEASUREMENTS; SPECTROSCOPY

Citation

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES REVIEW PAPERS, v.38, no.11, pp.6287 - 6297

ISSN
0021-4922
URI
http://hdl.handle.net/10203/13833
Appears in Collection
PH-Journal Papers(저널논문)
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