First showing at Cine Gear Expo LA, the Astera QuikPunch is the first spotlight that takes advantage of the versatile ...

This was due to the difficulty in fabricating high-quality bulk ... The performance of an LED is characterized by its wall-plug efficiency, which is the optical power output of the LED divided ...

Astera has a new light. The QuikPunch is a battery-powered LED PAR spot with a Fresnel lens designed for lighting professionals who need a fast, bright, and versatile light. Taking features found in ...

Abstract: Demonstration of a 2.5-kV diamond diode is provided by electrical measurements using a circular gold Schottky contact, with an area >1 mm/sup 2/, on large area freestanding single-crystal ...

† School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China ‡ Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials ...

Two-dimensional high-index-contrast dielectric gratings ... blue-emitting InGaN/GaN light-emitting diodes (LEDs) fabricated on a 3 μm pitch CES exhibit ∼39% enhancement in the optical power compared ...