Abstract: We have proposed a method to focus an ultrasonic beam transmitted from piezoelectric micromachined ultrasonic transducer (pMUT) array based on the principle of phase-type Fresnel Zone Plate ...

Abstract: The electromagnetic (EM) metasurface, or dielectric interfaces with conductive surface structures, can adjust the parameters including amplitude, phase, and wavefront of the incident EM ...

Researchers developed a solar collector with a dielectric Bragg mirror, optimizing energy conversion by separating sunlight ...

The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...

B&M has delighted shoppers by launching a 'stunning' arch mirror that's been dubbed the 'mirror of dreams'. Popular for offering affordable furniture and decor, the budget retailer could have a new ...

The Duke and Duchess of Sussex have made a huge announcement about their "next chapter" in a rare joint statement. Addressing the future of their most cherished work project, Meghan and Harry have ...