Title:
OPTICAL FIBER SENSOR
Document Type and Number:
WIPO Patent Application WO/2011/093589
Kind Code:
A1
Abstract:
An optical fiber sensor may include an optical fiber configured to receive a light having a first frequency from a light source and to transmit the light through the optical fiber, the transmitted light having the first frequency and a second frequency which is generated by stimulated Brillouin scattering (SBS), a photodetector configured to receive the transmitted light from the optical fiber and to convert the transmitted light into an electric signal and a sensing circuit configured to calculate an average squared value of the electric signal received from the photodetector, which is dependent on a frequency difference between the first frequency and the second frequency.
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Inventors:
LEE, Ju Han (Rm201 Bldg 309, Kunyoung Apartment Mujigae-maeul,Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-708, KR)
Application Number:
KR2010/008840
Publication Date:
August 04, 2011
Filing Date:
December 10, 2010
Export Citation:
Assignee:
UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION (90 Jeonnong-dong, Dongdaemun-gu, Seoul 130-743, KR)
LEE, Ju Han (Rm201 Bldg 309, Kunyoung Apartment Mujigae-maeul,Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-708, KR)
LEE, Ju Han (Rm201 Bldg 309, Kunyoung Apartment Mujigae-maeul,Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-708, KR)
International Classes:
G01K11/32; G01D5/26; G01L1/24; G02F1/365
Attorney, Agent or Firm:
PARK, Jun Seok (MA.P.S Intellectual Property Law Firm, 11th Floor Seongdo Bldg., 587-23,Sinsa-dong, Gangnam-gu, Seoul 135-747, KR)
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