A Step Toward More Accurate 3D Object Detection

Scientists have developed multi-modal 3D object detection methods that combine 3D LiDAR data with 2D RGB images taken by standard cameras. While the fusion of 2D images and 3D LiDAR data leads to more accurate 3D detection results, it still faces its own set of challenges, with accurate detection of small objects remaining difficult. Read on to learn more about it.

Bio-Inspired Cameras and AI Detect Obstacles Faster

Daniel Gehrig and Davide Scaramuzza from the Department of Informatics at the University of Zurich have combined a novel bio-inspired camera with AI to develop a system that can detect obstacles around a car much quicker than current systems and using less computational power. Read on to learn more about the study, which is published in Nature.

Levitating Objects with Light

Researchers have designed a way to levitate and propel objects using only light by creating specific nanoscale patterning on the objects' surfaces. The work could be a step toward developing a spacecraft that could reach the nearest planet outside of our solar system in 20 years, powered and accelerated only by light. Read on to learn more.

New AR Glasses Use AI-Enhanced Holographic Imaging

Researchers in the emerging field of spatial computing have developed a prototype augmented reality headset that uses holographic imaging to overlay full-color, 3D moving images on the lenses of what would appear to be an ordinary pair of glasses. Read on to learn more about it.

Researchers Develop a Wide-Bandwidth, Low-Polarization Semiconductor Optical Amplifier

Researchers have successfully developed a wide-bandwidth, low-polarization semiconductor optical amplifier based on tensile-strained quantum wells. The study, published in the journal Sensors, presents a significant advancement in optical communication technology, addressing the growing demand for higher bandwidth and lower polarization sensitivity. Read on to learn more.

How Jet Engine Flow Can Be Controlled Optically

University of Virginia researchers showed for the first time that airflow in supersonic combusting jet engines can be controlled by an optical sensor. The finding could lead to more efficient stabilization of hypersonic jet aircraft. Read on to learn more.

Vision-Based Approach and Landing System (VALS)

Incorporating a vision-based navigation method, NASA Ames has developed a novel Alternative Position, Navigation, and Timing (APNT) solution for AAM aircraft in environments where GPS is not available. Read on to learn more about it.

Nanoscale Device Points the Way to Future Wireless Communication Channels

In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.

Enabling High-Capacity Space Communication

Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators — devices that uses special light waves called surface plasmon polaritons to control and change optical signals. The new research lays the groundwork for high-speed optical communication links that transmit data over open air or space. Read on to learn more.

Researchers Develop Smallest Free-Floating Bubbles for Medical Imaging

A team of researchers from Rice University has introduced 50-nm gas-filled protein nanostructures derived from genetically engineered gas vesicles(GVs) that are referred to as 50 nmGVs. Read on to learn more.

Why Honda Wants FMCW LiDAR in Next Generation Mobility

Photonics & Imaging Technology caught up with Dr. Mehdi Asghari, SiLC Technologies CEO, to discuss their approach to designing and manufacturing FMCW LiDAR technology. Read on for the entire interview.

Can Optical Component Manufacturers Design Better Devices With AI?

Opto Generative Pretrained Transformer (OptoGPT), a decoder-only transformer, developed by University of Michigan engineers, harnesses the computer architecture underpinning ChatGPT to work backward from desired optical properties to the material structure that can provide them. Read on to learn more.

New Upgrade Will Supercharge Atomic Vision of the World’s Most Powerful X-Ray Laser

The Department of Energy has given the green light for construction to begin on a high-energy upgrade that will further boost the performance of the Linac Coherent Light Source (LCLS), the world’s most powerful X-ray free-electron laser (XFEL) at the DOE’s SLAC National Accelerator Laboratory. Read on to learn more about it.

New Ultrafast Imaging Technique Provides Insight into Combustion Processes

A team of scientists has developed an ultrafast imaging technique, called femtosecond laser sheet-compressed ultrafast photography, that can compile videos of incredibly transient details. Read on to learn more about it.

Seeing Like a Butterfly: Optical Invention Enhances Camera Capabilities

Butterflies can see more of the world than humans, including more colors and the field oscillation direction, or polarization, of light. Other species, like the mantis shrimp, can sense an even wider spectrum of light, as well as the circular polarization, or spinning states, of light waves. Inspired by these abilities in the animal kingdom, researchers have developed an ultrathin optical element known as a metasurface, which can attach to a conventional camera and encode the spectral and polarization data of images captured in a snapshot or video through tiny, antenna-like nano-structures that tailor light properties.

New Technology Uses Light to Engrave Erasable 3D Images

Imagine if physicians could capture 3D projections of medical scans, suspending them inside an acrylic cube to create a hand-held reproduction of a patient’s heart, brain, kidneys, or other organs. Then, when the visit is done, a quick blast of heat erases the projection, and the cube is ready for the next scan. A new report by researchers at Dartmouth and Southern Methodist University outlines a technical breakthrough that could enable such scenarios, and others, with widespread utility. Read on to learn more.

New Computer Vision-Based System Monitors Seasonal Dynamics of Tropical Water

Researchers have developed a new way to map water on land in the tropics. Called the UC Berkeley Random Walk Algorithm WaterMask, this advanced monitoring technology uses L-band microwaves from the Cyclone Global Navigation Satellite System to “see” water hidden beneath visual barriers, like tree canopies and clouds. Read on to learn more.

Delivering Higher Performance Batteries with Advanced Microscopy

As we collectively move away from fossil fuel power and work toward cleaner energy solutions, batteries are emerging as the preferred clean energy source. Read on to learn how they're advancing.

A Powerful Vision-Based Autonomy Alternative to LiDAR, Radar, GPS

Southwest Research Institute has developed off-road autonomous driving tools with a focus on stealth for the military and agility for space and agriculture clients. The vision-based system pairs stereo cameras with novel algorithms, eliminating the need for LiDAR and active sensors. Read on to learn more.

New High-Performance Ultrafast Lasers That Fit on a Fingertip

In a newly published paper in the journal Science, researcher Qiushi Guo demonstrated a novel approach for creating high-performance, ultrafast lasers on nanophotonic chips. His work centers on miniaturizing mode-lock lasers. Read on to learn more.

The Latest Advancements in Optics

Optics are used in a vast range of applications in virtually every sector of human endeavor, from scientific microscopes to medical diagnostic imaging, from automobile headlights to telescopes pointed at the stars. Read on to learn about their advances.

Analysis and Simulation of Low-Light INL in CMOS Image Sensors

Conventional sources of INL are well understood, but as pixel array resolution has increased and ADC pitch has consequently been reduced, additional array sources of nonlinearity have become prominent. Read on to learn more.

Advanced Laser Cleaning Robotic Work Cells Turbocharge Industrial Processes

Enclosed robotic laser parts cleaning systems are poised to safely remove rust and contamination as well as condition surfaces at dramatically higher volumes and at lower cost than conventional methods. Read on to learn more about the process.

Leveraging CAD for Precision in Wide Field Star Imaging and Spectroscopy

Have you ever gazed at the vastness of the stars and wondered what else your CNC machine can create? Greg Green had the opportunity to find out when he joined the staff at the Canada-France-Hawaii Telescope (CFHT) in Waimea, Hawaii. Read on to find out what happened.

Photonics-Based Wireless Link Breaks Speed Records for Data Transmission

The researchers anticipate that with multiplexing techniques (where more than one channel can be used) and more sensitive receivers, the data rate can be increased to 1 terabit per second, ushering in a new era of near-instantaneous global communication. Read on to learn more.

Ultra-Narrowband Optical Filters Pushing Boundaries from the UV to the LWIR

Developments in ultra-narrow manufacturing capabilities enable transformative, world-changing, technology. Read on to learn how boundaries are being pushed.

Closing the Design-to-Manufacturing Gap for Optical Devices

A new method enables optical devices that more closely match their design specifications, boosting accuracy and efficiency. Read on to learn more.

Researchers Use Inkjet Printing to Make a Portable Multispectral 3D Camera

The palm-sized light field camera could improve autonomous driving, classification of recycled materials, and remote sensing. Read on to learn more about it.

Researchers Develop New and Improved Camera Inspired by the Human Eye

The camera mimics the involuntary movements of the human eye to create sharper, more accurate images for robots, smartphones, and other image-capturing devices. Read on to learn more about it.