Lighting

Rice ‘Metalens’ Could Disrupt Vacuum UV Market

Tests showed the metalens they made could focus its 197-nanometer output onto a spot measuring 1.7 microns in diameter, increasing the power density of the light output by 21 times.

Upside-Down Design Expands Wide-Spectrum Super-Camera Abilities

Plasmonics is a technology that essentially traps the energy of light in groups of electrons oscillating together on a metal surface.

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Laser Processing Method for Optoelectronic Devices

This method increases the efficiency of light-emitting diodes and other optical elements.

Flexible Micro LEDs for Wearables

These micro LEDs can be folded, twisted, cut, and stuck to different surfaces.

Composite Glass Produces Unbreakable Screens

Researchers have developed technology to produce next-generation composite glass for lighting LEDs and smartphone, television, and computer screens. The technology was a step forward in perovskite...

Smart Lighting Controls for Greenhouses Reduce Costs

A new, internet-connected lighting system for greenhouses could sharply reduce a farmer’s electrical bill, according to a study by University of Georgia researchers.

LED Lighting Beyond Space

NASA’s lighting research gives people on Earth better rest and helps plants grow.

Electronic Paper Displays Brilliant Colors

Using ambient light, the reflective screen keeps energy consumption to a minimum.

Nanoscale LED Also Functions as a Laser

This new design overcomes a long-standing LED efficiency problem and can also transform it into a laser.

Luminescent Windows Generate Energy from Inside and Out

Polymer cores redirect light from any source to solar cells.

Metal-Halide Perovskite Semiconductors Compete with SilicMetal-Halide Perovskite Semiconductors Compete with Silicon Counterparts for Solar Cells, LEDson Counterparts for Solar Cells, LEDs

Climate change and its consequences are becoming...

Seeing the World Through Different Eyes

Infrared (IR) light is invisible to humans. However, some animals, such as rattlesnakes or bloodsucking bats, can perceive IR radiation and use it to find food. But even for humans, the ability to...

Illumination Design Considerations for Robotic Surgery Vision Systems

To have a successful product, one must consider all the required sub-systems to deliver high-quality illumination.

Stable Polymeric Ink with High Conductivity

This paves the way for innovative and more energy-efficient printed electronics.

“Smart” Shirt Monitors the Heart

Flexible carbon nanotube fibers woven into clothing gather accurate EKG and heart rate.

UpFront: October 2021 Tech Briefs

NASA reveals winners of a CO2 conversion challenge.

Material Increases Efficiency of LED Devices

The approach achieves near 100% light emission efficiency at all brightness levels.

Pivotal Discovery of Nanomaterial for LEDs

Light emitting diodes (LEDs) are an unsung hero of the lighting industry. They run efficiently, give off little heat, and last for a long time. Now scientists are looking at new materials to...

New Products: September 2021 Photonics & Imaging Technology

Automotive camera monitors, curved CMOS sensors, fiber lasers, and more.

Rechargeable Cement-Based Batteries

An entire 20-story concrete building could store energy like a giant battery.

Ultra-Thin, Energy-Efficient Photodetector Integrated with Gorilla Glass

This could lead to the commercial development of smart glass, with applications ranging from imaging to advanced robotics.

Using Solar Panel Technology to Create Ultrahigh-Resolution OLED Display

The micro-display could enable smartphones and televisions with resolutions of more than 10,000 pixels per inch.

Researchers Acquire 3D Images with LED Room Lighting and a Smartphone

Researchers are tapping into dynamically controlled LEDs to create a simple illumination system for 3D imaging.

Compound for Organic Light-Emitting Diodes (OLEDs)

The material could enable cheaper and more environmentally friendly displays and large-area lighting.

Atomically Thin Light-Emitting Device for Invisible Displays

Invisible displays on walls and windows would be bright when turned on but invisible when turned off.

New Products: November 2020 Photonics & Imaging Insider

Spectrophotometer for a Microscope

CRAIC Technologies (San Dimas, CA) has introduced the 508 PV™ UV-visible-NIR spectrophotometer for your microscope. The 508 Perfect...