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|Title||Analytical solution of four-mode coupling in shear strain loaded fiber Bragg grating sensors|
The polarization-dependant reflection spectra of fiber Bragg grating (FBG) sensors in polarization-maintaining fibers are influenced by shear strain. This influence can be evaluated from a tensorial coupled-mode theory approach. Yet, this approach requires the numerical integration of the four coupled-mode equations. We present an easy to handle, completely analytical treatment of the polarization-dependent reflection spectra of FBGs. We derive the required equations and compare the results to the numerical integration of the four tensorial coupled mode equations.
|Published in||Optics letters|
|Series||Volume: 34, Number: 17|
|Publisher||Optical Society of America|
|Item link||Item Link|
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