Transversal Loading Sensor Based on Tunable Beat Frequency of a Dual-Wavelength Fiber Laser
2009 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 21, no 14, 987-989 p.Article in journal (Refereed) Published
Microwave signal generation by using the photonic beating from a phase-shift fiber Bragg grating (PS-FBG)-based dual-wavelength laser is proposed and experimentally demonstrated. The dual-wavelength laser is formed by a linear cavity, in which a PS-FBG is used as a dual-wavelength selective component. Transversal loading on the PS-FBG enhances the birefringence of the optical fiber and consequently makes the transmission peak of the PS-FBG splitting into two sharp transmission peaks of orthogonal polarizations. The wavelength spacing between the two transmission peaks increases with the transversal loading on the PS-FBG, thus making the polarization beating frequency increase. This property is exploited in a transversal loading sensor.
Place, publisher, year, edition, pages
2009. Vol. 21, no 14, 987-989 p.
Beating, microwave generation, phase-shift fiber Bragg grating, (PS-FBG), transversal loading, generation, pressure
IdentifiersURN: urn:nbn:se:kth:diva-18607DOI: 10.1109/lpt.2009.2021484ISI: 000268019600011OAI: oai:DiVA.org:kth-18607DiVA: diva2:336654
QC 201005252010-08-052010-08-052013-11-19Bibliographically approved