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Novel strain and temperature sensor network based on self-injection locked reflective semiconductor optical amplifier

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4 Author(s)
Youngbok Kim ; Department of Information and Communications, Gwangju Institute of Science and Technology, 1Oryong-dong, Buk-gu, 500-712, Republic of Korea ; Tae-Young Kim ; Jongkyung Ko ; Chang-Soo Park

We propose a serialized sensor network using a reflected SOA (RSOA) as a low-cost and wideband source. The RSOA is self-injection locked by the FBG sensors with different center wavelengths. By reading the wavelength shifts, the number of sensors up to 32 can be monitored with the side mode suppression ratio of >27 dB within 4 km.

Published in:

Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the

Date of Conference:

7-10 July 2008