Lighting

Light-Responsive Perovskites Exhibit Reversible Shape-Shifting Behavior

Researchers at the University of California, Davis recently found that perovskites may enable a new class of light-responsive semiconductor devices. Read on to learn more.

Light-Powered Soft Lens Brings Human-Like Vision to Robotics

A team of biomedical engineers at Georgia Tech has unveiled a breakthrough in adaptive optics: a bio-mimetic, light-powered soft lens that mimics the human eye’s ability to refocus and adjust to varying light conditions. Read on to learn more.

The Holy Grail of Networking: Bringing Fiber-Optic Speed Directly to the Chip

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths. Read on to learn more about it.

How Much Do You Know About LEDs?

LEDs are pretty much the only lighting game in town these days. How much do you know about them?

Stable Optical Wireless Power Transmission for the IoT

The world’s first automatic and adaptive, dual-mode light-emitting diode (LED)-based optical wireless power transmission system, that operates seamlessly under both dark and bright...

A Stretchable OLED that Can Maintain Most of Its Luminescence

An international collaboration has developed a flexible and stretchable OLED that could put the technology on track for new applications.

Stanford Researchers Develop Flexible Color-Changing Material

Stanford researchers have developed a flexible material that can quickly change its surface texture and colors, offering potential applications in camouflage, art, robotics, and...

Manufacturing the World's Tiniest Light-Emitting Diodes

Miniaturization ranks as the driving force behind the semiconductor industry. The tremendous gains in computer performance since the 1950s are largely due to the fact that ever smaller...

AI at the Speed of Light?

International research collaboration has unlocked a new approach that performs complex tensor computations using a single propagation of light. The result is single-shot tensor computing, achieved at the speed of light itself.

A High-Performance Mid-Infrared Imaging System Without Lenses

Researchers have used the centuries-old idea of pinhole imaging to create a high-performance mid-infrared imaging system without lenses. The new camera can capture extremely clear pictures over a large range of distances and in low light, making it useful for situations that are challenging for traditional cameras.

Light-Powered Motor Fits Inside a Strand of Hair

For more than 30 years, researchers have been trying to create small gears in order to construct micro-engines. But progress stalled at 0.1 millimeters, as it was not possible to build the...

Chiral Photonic Device Combines Light Manipulation with Memory

As fast as modern electronics have become, they could be much faster if their operations were based on light, rather than electricity. Fiber optic cables already transport information at the speed of light, but to do computations on that information without translating it back to electric signals will require a host of new optical components. Researchers have now developed such a device. Read on to learn more.

Advanced Thermal Inspection with Pulsed Light Emitting Diodes (PLED) Technology

Engineers at NASA Langley Research Center have developed a cutting-edge thermal inspection technology that enhances defect detection on low-emissivity surfaces by eliminating false readings caused by infrared reflections. Read on to learn more.

A New Computer Vision Method Enables Faster Screening of Electronic Materials

A new computer vision technique developed by MIT engineers significantly speeds up the characterization of newly synthesized electronic materials. The technique automatically analyzes images of printed semiconducting samples and quickly estimates two key electronic properties for each sample. Read on to learn more.

Light-Propelled Flying Structures Aim to Study Earth’s Upper Atmosphere

A new study introduces a novel way to reach a largely unstudied stretch of the atmosphere, between 30-60 miles above Earth’s surface, the mesosphere. Researchers have introduced a new way to explore it: lightweight flying structures that can float using nothing but sunlight.

Ferroelectric Material Adapts to Light Stimuli by Reorganizing Atomic Connectivity

With this groundbreaking discovery of time-dependent changes in networked nanodomains, developers are on the path to building adaptive networks for information storage and processing. Read on to learn more.

Twisted Light in Optical Fibers May Lead to Substantial Capacity Enhancements

Exploiting the “spatial” degree of freedom of light can mean many things. Read on to learn what they are and what the process can lead to.

Material Could Unlock New Functionality in Semiconductors

Researchers have designed and synthesized a unique material with controllable capabilities that make it promising for future electronics including cellphones and computers. Read on to learn more.

A Compact, Mid-Infrared Pulse Generator

Physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but...

A Neuromorphic Exposure Control System to Revolutionize Machine Vision in Extreme Lighting Environments

A research team has recently developed a neuromorphic exposure control system that revolutionizes machine vision under extreme lighting variations.

New Product Launches and Technologies to See at Photonics West 2025

The SPIE Photonics West 2025 technical conference and exhibition returns to San Francisco's Moscone Center, January 25 to 30, providing attendees the opportunity to learn...

An OLED for Compact, Lightweight Night Vision

A new type of organic light emitting diode (OLED) could replace bulky night vision goggles with lightweight glasses, making them cheaper and more practical for prolonged use, according to University of Michigan researchers. Read on to learn more.

Molecular Highway for Electrons in OLEDs

Now, a team from the Max Planck Institute for Polymer Research has developed a new material concept that could allow efficient blue OLEDs with a strongly simplified structure. Read on to learn more.

This OLED Device is Thinner Than a Human Hair

A new type of OLED (organic light emitting diode) could replace bulky night vision goggles with lightweight glasses, making them cheaper and more practical for prolonged use, according to...

Bird-Eye-Inspired Camera Developed for Enhanced Object Detection

This innovative camera technology represents a significant advance in object detection, offering numerous potential applications across various industries. Read on to learn more.

New Chip May Lead to AI Computing at Light Speed

Penn Engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing speed of computers while also reducing their energy consumption. Read on to learn more.

How Much Do You Know About Integrated Building Systems?

Office buildings use a significant portion of the world’s energy resources. Integrated building systems such as HVAC and lighting can significantly reduce that load. How much do you know about integrated building systems? Test your knowledge with this quiz.

How a Single-Shot Imaging System Unveils a Polarized World

Think of all the information we get based on how an object interacts with wavelengths of light — also known as color. Color can tell us if food is safe to eat or if a piece of...