FBG multiplex distance based on FMCW technology

Author

Li Shou-duo ; Xiong Yan-ling ; Shen Tao ; Li Qiao-yi ; Wang Li ; Yang Wen-long ; Gao Wei

Author_Institution

Coll. of Appl. Sci., Harbin Univ. of Sci. & Technol., Harbin, China

Volume

01

fYear

2013

fDate

16-18 Aug. 2013

Firstpage

288

Lastpage

291

Abstract

The basic principles of Frequency Modulated Continuous Wave (FMCW) multiplexing technique addressing the distributed fiber Bragg grating (FBG) sensors were studied, and the theoretical analysis of FBG multiplex distance were carried out; In order to analyze the impact on the spectrum signal, when the FBG multiplex distance is integer or non-integer multiple of system minimum resolution distance, for the FMCW multiplexing scheme was simulated. Finally, the related experimental system was established and the results are consistent with the theory.

Keywords

Bragg gratings; fibre optic sensors; frequency modulation; multiplexing; optical modulation; FBG multiplex distance; FBG sensor; FMCW multiplexing technique; distributed fiber Bragg grating sensor; frequency modulated continuous wave multiplexing technique; integer multiple distance; noninteger multiple distance; spectrum signal; system minimum resolution distance; MATLAB; Modulation; Multiplexing; FBG; FMCW; multiplex distance;

fLanguage

English

Publisher

ieee

Conference_Titel

Measurement, Information and Control (ICMIC), 2013 International Conference on

Conference_Location

Harbin

Print_ISBN

978-1-4799-1390-9

Type

conf

DOI

10.1109/MIC.2013.6757967

Filename

6757967