Focusing efficiency evaluation of ultrasonic energy for fabricated Fresnel lens through surface profile estimation and FEA

Authors :: Tuan-Anh Bui
Min Chun Pan
Source :: Ferroelectrics. 506:76-92
Publication Year :: 2017
Publisher :: Informa UK Limited, 2017.
Abstract: High focusing efficiency of a multi-level Fresnel lens is desired when it is designed and fabricated. How to estimate the focusing efficiency is an important issue after the Fresnel lens is made. W...

Subjects :: Surface (mathematics)
Materials science
business.industry
ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION
Fresnel lens
Condensed Matter Physics
Finite element method
Electronic, Optical and Magnetic Materials
law.invention
Optics
law
Ultrasonic sensor
business
Energy (signal processing)

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