Airborne ultrasound focusing aperture with binary amplitude mask over planar ultrasound emissions
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Physics"
DOI: 10.1063/5.0140604
Abstract: Phased arrays of airborne ultrasound transducers are widely utilized as a key technology to achieve mid-air convergence of intense ultrasound, which is applied to a variety of systems, such as contactless tactile presentation, acoustic levitation… read more here.
Keywords: amplitude mask; application; ultrasound focusing; planar ultrasound ... See more keywords
Efficient long period fiber gratings inscribed with femtosecond pulses and an amplitude mask.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.003980
Abstract: We present efficient long period fiber gratings written with femtosecond laser pulses at 800 nm and an amplitude mask, to the best of our knowledge, for the first time. The measured transmission spectra depict strong resonances,… read more here.
Keywords: amplitude mask; long period; period fiber; fiber gratings ... See more keywords