Lighting & Illumination

Current
Long-Life Ceramic/Quartz-Based UVC Emitting Diode
MALVERN, Pa. — Vishay Intertechnology, Inc. is adding to its portfolio of short wavelength ultraviolet (UVC) emitting diodes with a compact new SMD device for sterilization, sanitation, and purification applications. Designed to replace mercury UVC lamps, the Vishay Semiconductors VLMU35CL..-280-120
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Date:
07/17/2019
Coupled Exploration of Light and Matter

White-light reflectivity spectra recorded around a filling factor of 2/3, revealing clear signatures of optical coupling to the quantum Hall state.

The concept of 'quasiparticles' is a highly successful framework for the description of complex phenomena that emerge in many-body systems. One species of quasiparticles that in particular has attracted interest in recent years are polaritons in semiconductor materials. These are created by shining light onto
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Date:
07/15/2019
Ambient Light Sensor Targets Wearables and Smartphones
MALVERN, Pa. — The Optoelectronics group of Vishay Intertechnology, Inc. introduced a new ambient light sensor for small form factor applications such as smart watches and sport bands where very high sensitivity is needed to allow light to be sensed through an often very dark cover glass. The Vishay Semiconductors
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Date:
07/10/2019

'Tsunami' on a Silicon Chip: A World First for Light Waves

PhD student and lead author Sahin Ezgi from the Singapore University of Technology and Design holds one of the experimental chips.

A tsunami holds its wave shape over very long distances across the ocean, retaining its power and 'information' far from its source. In communications science, retaining information in an optic fibre that spans continents is vital. Ideally, this requires the manipulation of light in silicon chips
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Date:
07/03/2019