Lighting

Magazine Archives

2023 January 2022 December November October September August July June May April March February January 2021 December November ...

UV-to-Red-Light Converting Films Accelerate Plant Growth

An interdisciplinary team from Hokkaido University’s Engineering and Agriculture departments and the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) has...

Glow-in-the-Dark Algae May Be Ideal for Soft Robots

Engineers developed soft devices containing algae that glow when under mechanical stress —perfect for building soft robots.

Light-Emitting Tattoo

The OLEDs are fabricated onto temporary tattoo paper and transferred to a new surface by being pressed onto it and dabbed with water.

Method Miniaturizes Light-Based Chips

But they’re not yet small enough to compete in computing and other applications where electric circuits continue to reign.

Designing a Silicon Photonic MEMS Phase Shifter with Simulation

Existing infrastructure still relies on many electrical signal processing components embedded inside fiber optic networks.

Time-of-Flight: Highly Reliable 3D Imaging for Challenging Applications

There are multiple technologies based on the ToF concept. Generally, all of them are synchronized with a light source and estimate the distance by calculating the time taken for the light to travel from the camera to the object and then back again.

New Products

The new products in September 2022.

Unprinting Method Removes Toner with Xenon Light

A new way to unprint paper uses intense pulsed light from a xenon lamp.

Firefly-Inspired Robotic Lightning Bugs Take Flight

The ability to emit light also brings these microscale robots, which weigh barely more than a paper clip, one step closer to flying on their own outside the lab.

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.

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.