The parabolic lenses are under 20 inches in diameter and around six inches deep, and the horizontal lenses are just slightly larger in diameter. Because of their intimate size, ...

When I visited the 83-year-old artist recently in the five-story cast-iron SoHo building where he lives and works, his parabolic lenses littered the living room.

Artist Fred Eversley with Untitled (Parabolic Lens) (1971), photo by Victoria Jones/PA Images via Getty Images. Then came his 2019 show with Kordansky, who Eversley says he knew nothing about when ...

The team printed a 110 µm high, 60 µm diameter optical device on the end of an optical fibre. The device included a parabolic lens with a 27 µm focal length and an axicon with a cone of radius 30 µm ...

It is a sealed-beam lamp, like an old-school car headlight. The rear of the envelope (the glass enclosure of the bulb) has a parabolic shape and is coated in an aluminum material for a built-in ...

Featuring a unique surface emitter technology and parabolic lens for a narrow ±3º angle of half intensity, the VSLY5850 85-nm infrared (IR) emitter delivers a radiant intensity of 600 mW/sr at a ...

Dodotronic has launched a camera-mounted parabolic mic that's designed to do just that. SUBSCRIBE. LOG IN. HOME. SCIENCE. ... Though they hauled pricey high-end cameras and lenses with them on ...

The device included both a parabolic lens for light collimation and a helical axicon lens that twists the light. This turns light exiting the fiber into a twisted Bessel beam.

The filament was formed by the reflection of radiation from the parabolic lens. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...