DocumentCode :
1376879
Title :
Reconstruction of displacement waveforms with a single-channel laser-diode feedback interferometer
Author :
Merlo, Sabina ; Donati, Silvano
Author_Institution :
Dipt. di Elettronica, Pavia Univ., Italy
Volume :
33
Issue :
4
fYear :
1997
fDate :
4/1/1997 12:00:00 AM
Firstpage :
527
Lastpage :
531
Abstract :
Using a laser-diode feedback interferometer, we show how to reconstruct without ambiguity the displacement waveform of an external target from a single interferometric signal. We present the underlying theory with numerical simulations and report an example of actual reconstruction from experimental data. Reconstruction accuracy is on the order of tens of nanometers for displacements of a few micrometers
Keywords :
displacement measurement; laser feedback; laser modes; light interferometry; measurement by laser beam; measurement errors; measurement theory; semiconductor lasers; ambiguity; displacement measurement; displacement waveform; displacement waveforms; external target; light interferometry; micrometers; nanometers; numerical simulations; reconstruction accuracy; single interferometric signal; single-channel laser-diode feedback interferometer; Displacement measurement; Laser feedback; Laser modes; Laser theory; Numerical simulation; Optical attenuators; Optical bistability; Optical feedback; Optical interferometry; Signal processing;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/3.563379
Filename :
563379
Link To Document :
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