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Optimization of all-garnet magneto-optical magnetic field sensors with genetic algorithm |
Applied Optics, Vol. 51, Issue 21, pp. 5144-5148 (2012)
http://dx.doi.org/10.1364/AO.51.005144
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Abstract
In this article, we introduce a simple magnetophotonic crystal structure for magnetic field sensing applications. Design procedure, which is performed using a global optimization tool called genetic algorithm, provides great flexibility for structures with layers having nonquarter-wavelength thickness. Results show that our proposed genetic sensor comparatively exhibits higher simplicity, sensitivity, and spatial resolution, with better photo-response and performance. We also analyze the underlying physical phenomenon responsible for such improvement by inspection of electric field distribution in the interior of the structure.
© 2012 Optical Society of America
OCIS Codes
(230.3810) Optical devices : Magneto-optic systems
(230.4170) Optical devices : Multilayers
(310.4165) Thin films : Multilayer design
(230.5298) Optical devices : Photonic crystals
(310.6845) Thin films : Thin film devices and applications
ToC Category:
Optical Devices
History
Original Manuscript: March 16, 2012
Revised Manuscript: May 27, 2012
Manuscript Accepted: May 30, 2012
Published: July 13, 2012
Citation
Hossein Alisafaee and Majid Ghanaatshoar, "Optimization of all-garnet magneto-optical magnetic field sensors with genetic algorithm," Appl. Opt. 51, 5144-5148 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-21-5144
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