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MAN-HONG LAI1, MD RAJIBUL ISLAM1,* , KOK-SING LIM1,2, SHIRLEY DIONG-CHEA FANG2, HANG-ZHOU YANG3, XUEGUANG QIAO3, HARITH AHMAD1,2
This article presents a study on the output response of a distributed Bragg reflector (DBR) to acousto-optic wave. In the fabrication, the DBR is constructed with a 12 cm long EDF and two FBGs that share the same center wavelength. The behavior of the DBR under the influence of acousto-optic wave can be well explained based on the model of a single sinusoidal-modulated FBG. A nonlinear response has been observed for DBR output amplitude which is similar to the reflectivity variation at the center wavelength of an FBG impinged by acousto-optic wave. The potential for using DBR as a vibration sensor has been investigated in the frequency range of 120 kHz-190 kHz..
Distributed Bragg reflector (DBR), Acousto-optic wave, FBG, Vibration sensing.
MAN-HONG LAI, MD RAJIBUL ISLAM, KOK-SING LIM, SHIRLEY DIONG-CHEA FANG, HANG-ZHOU YANG, XUEGUANG QIAO, HARITH AHMAD, Nonlinear output response of acousto-optic modulated distributed Bragg reflector (DBR) fiber laser, Optoelectronics and Advanced Materials - Rapid Communications, 10, 9-10, September-October 2016, pp.611-615 (2016).
Submitted at: Dec. 20, 2014
Accepted at: Sept. 29, 2016
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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