|Table of Contents|

Quasi-Distributed Measurement of Optical Fiber MEMS Fabry-Perot Pressure Sensors(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2009年04期
Page:
82-86
Research Field:
Publishing date:

Info

Title:
Quasi-Distributed Measurement of Optical Fiber MEMS Fabry-Perot Pressure Sensors
Author(s):
Ni Xiaoqi; Wang Ming; Chen Xuxing; Dai Xiajuan
School of Physical Science and Technology,Nanjing Normal University,Nanjing 210097,China
Keywords:
guided w ave and fiber op tics;  FP pressure sensor;  Four ier demodu lation m ethod;  quas-i d istr ibuted measurem
ent
PACS:
TP212.14
DOI:
-
Abstract:
A m ultiplex ing schem e based on Fourier dem odu lation m e thod is presented in this paper, w hich m akes quas-i d istr ibu ted measurem en t of optica l fiberMEM S Fabry-Pero t ( FP) pressure sensors poss ible. Based on FP interferom etry, the sensors are fabr icated by emp loy ing the m ic roe lec trom echan ica l system (M EMS ) techn iques and interroga ted w ith Fourier dem odu la tion m ethod. An optical sw itch is used to mu ltip lex the senso rs. The demodu lation and mu ltiplex ing princ ip le a re theoretica lly ana lyzed and expe rim en tally ver ified. The exper im enta l results dem onstrate that the system has reasonable linearity, sensitiv ity, prec is ion, repetition and fast response. There is no observab le crossta lk am ong the mu ltiplex ing sensors and the system. s capac ity depends on channe ls o f the optical sw itch.

References:

[ 1] Don C Abeys inghe, Samh ita Dasgupta, Joseph T Boyd, e t a .l A novelMEMS pressure sensor fab rica ted on an optical fiber
[ J] . IEEE Pho ton ics Techno logy Le tters, 2001, 13( 9) : 993-995.
[ 2] Zhou J ie, Sam hita Dasgupta, H iroshi Kobayash,i et a .l Optica lly in terrogatedMEM S pressure senso rs fo r propulsion app lications[
J]. Opt Eng, 2001, 40( 4): 598- 604.
[ 3] Y asukazu Sano, Toshihiko Yoshino. Fast op tica lwave leng th in terrogator em ploy ing a rrayed wavegu ide grating for d istributed f-i
ber Bragg grating sensors [ J]. Journa l o f L ightwave Techno logy, 2003, 21( 1) : 132-139.
[ 4] No rm an D C C, W ebb D J, Pechstedt R D, et a.l Ex tended range interroga tion o fw aveleng th div ision mu ltiplex ed fiber B ragg
g ra ting senso rs us ing arrayed w avegu ide g ra ting [ J] . E lectronics Letters, 2003, 39( 24) : online No. 20031093.
[ 5] 陈伟民, 朱永, 唐晓初, 等. 光纤法布里-珀罗传感器串连复用的傅立叶变换解调方法初探[ J]. 光学学报, 2004, 24
( 11): 1 481-1 486.
ChenWe im in, Zhu Yong, Tang X iaochu, et a.l Study on the seria lm ultip les o f optica l fiber Fabry-Perot strain serso rs w ith
Fourior transfo rm [ J]. Ac taOptica S in ica, 2004, 24( 11) : 1 481-1 486. ( in Ch inese)
[ 6] 周昌学, 饶云江, 朱涛. 光纤菲佐应变传感器的波分频分复用方法[ J] . 光学学报, 2005, 25( 11): 1 472-1 476.
Zhou Changxue, Rao Yunjiang, Zhu Tao. SFDW /CWDM of fiber-optic F izeau stra in sersors[ J]. A ctaOptica S in ica, 2005, 25
( 11): 1 472-1 476. ( in Chinese)

Memo

Memo:
-
Last Update: 2013-04-23