Inspec keywords: ultrasonic imaging; ultrasonic materials testing; Rayleigh waves; ultrasonic focusing; surface acoustic wave devices; acoustic wave production; zone plates; laser beam applications

Other keywords: near diffraction limited focus; computer generated holographic zoneplates; amplitude grating; noncontacting optical generation; Rayleigh surface waves; 82 MHz; US imaging; ultrasonic nondestructive evaluation; laser ultrasound generation; customised zoneplate; focused surface acoustic waves

Subjects: Ultrasonics, quantum acoustics, and physical effects of sound; Laser beam applications; Acoustic wave devices; Laser applications; Materials testing; Transduction; devices for the generation and reproduction of sound; Nondestructive testing