The focusing properties of spin wave with Fresnel lens phase profile

Journal of Magnetism and Magnetic Materials(2020)

Cited 4|Views25
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Abstract
•Spin wave Fresnel lens is designed by antenna phase encoding.•Subwavelength focal point is achieved by spin wave Fresnel lens.•The focusing properties can be tuned with external magnetic fields.
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Key words
Spin waves,Fresnel lens,Simulation
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