Ultrasonic Imaging: Seeing by Sound : the Principles and Widespread Applications of Image Formation by Sonic, Ultrasonic, and Other Mechanical Waves |
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A-mode acoustic hologram acoustic image acoustic impedance acoustic lens acoustic microscope acoustic waves acoustical-to-optical amplitude angle area detector axis B-mode images beam splitter Bragg diffraction cholesteric liquid crystals color deformation detected diffraction direction display distance electret elements energy Fourier Fresnel zone plate gray scale GREGUSS holography illuminated information pattern insonified insonified target intensity distribution laser beam layer lenses liquid crystals liquid surface material mechanical medium method mirror modulation nondestructive testing object optical image optical replica phase photographic Phys piezoelectric pixel plane Plenum Press problem propagation pulse radiation range reconstruction reference beam reflected resolution result sampled sound images sampling aperture scanning scattered Schematics schlieren screen sensitivity shown in Fig sonic image sonochrome sonoluminescent sonosensitized plate sound field sound waves space spatial frequency spectrum three-dimensional transducer transmission transmitted transparent two-dimensional ultrasonic image ultrasonic waves ultrasound visualized sound image W/cm² wavefront wavelength zone plate