A Study of Mechanical Vibration Signal Transmission Using Position Modulated Optical Pulses

A Study of Mechanical Vibration Signal Transmission Using Position Modulated Optical Pulses

A novel vibration sensing scheme using a technique of converting the vibration into position modulated optical pulses is described. The laser light whose wavelength changes at a cycle of several kHz is launched into a fiber and passes through an optical filter whose center wavelength is changed in p...

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Veröffentlicht in:Denki Gakkai ronbunshi. C, Erekutoronikusu, joho kogaku, shisutemu Information and Systems, 2007/11/01, Vol.127(11), pp.1951-1952
Hauptverfasser: Yamashita, Ikuo, Oro, Kyoichi, Seikai, Shigeyuki
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
optical fiber
optical pulse
optical tunable filter
pulse position modulation
semiconductor optical amplifier
vibration sensor
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container_end_page 1952
container_issue 11
container_start_page 1951
container_title Denki Gakkai ronbunshi. C, Erekutoronikusu, joho kogaku, shisutemu
container_volume 127
creator Yamashita, Ikuo
Oro, Kyoichi
Seikai, Shigeyuki
description A novel vibration sensing scheme using a technique of converting the vibration into position modulated optical pulses is described. The laser light whose wavelength changes at a cycle of several kHz is launched into a fiber and passes through an optical filter whose center wavelength is changed in proportion to the mechanical vibration with frequency lower than kHz. The output signal from the filter becomes time position modulated optical pulses because the laser light passes only when the both wavelengths coincide. The basic operation of the scheme is experimentally confirmed using a 5-km transmission line.
doi_str_mv 10.1541/ieejeiss.127.1951
format Article
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language eng ; jpn
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects optical fiber
optical pulse
optical tunable filter
pulse position modulation
semiconductor optical amplifier
vibration sensor
title A Study of Mechanical Vibration Signal Transmission Using Position Modulated Optical Pulses
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