DocumentCode
794317
Title
Improved, operationally-passive interferometric demodulation method using 3×3 coupler
Author
Todd, M.D. ; Seaver, M. ; Bucholtz, E.
Author_Institution
Naval Res. Lab., Washington, DC, USA
Volume
38
Issue
15
fYear
2002
fDate
7/18/2002 12:00:00 AM
Firstpage
784
Lastpage
786
Abstract
An improved algorithm for demodulating the phase output of a Mach-Zehnder interferometer that uses a 3×3 coupler is presented. Error analysis and experimental data show how a generalised 3×3 coupler description eliminates signal distortion and frequency mixing
Keywords
Bragg gratings; Mach-Zehnder interferometers; demodulation; fibre optic sensors; intensity modulation; light interferometry; optical fibre couplers; 3×3 coupler; Mach-Zehnder interferometer; fibre Bragg grating components; fibre optic sensing; frequency mixing; generalised coupler; improved algorithm; operationally-passive interferometric demodulation; phase output; signal distortion; source intensity fluctuation-insensitive algorithm;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20020569
Filename
1021841
Link To Document