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.

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.

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 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.

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.

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.

Portable Laser-Guided Robotic Metrology (PLGRM)

Innovators at the NASA Glenn Research Center have developed the PLGRM system, which allows an installed antenna to be characterized in an aircraft hangar. All PLGRM components can be packed onto pallets, shipped, and easily operated.

5Ws of the Eye-Safe Laser

There is an urgent need for new technologies to improve the timeliness of traumatic brain injury diagnosis. Researchers from the University of Birmingham have a laser-based solution.

Blue Laser Power Beaming for Planetary Exploration

Any plan for the long-term exploration or habitation of the Moon and Mars will almost certainly entail the use of multiple habitats, vehicles and remotely located equipment, all of which will require power sources.

How to Innovate and Overcome the Challenges of Blue Laser Beam Shaping

The blue laser has become the ideal light source for high-reflective metal processing, offering substantial advantages in various industrial applications such as cutting and welding.

OPO Lasers Put Optical Components to the Test

Optical parametric oscillator (OPO) lasers have long been utilized in sophisticated test and measurement applications such as mass spectrometry, photoacoustic imaging, and spectroscopy.

Can Harmful Gas Detection Improve With a New Way of Generating Powerful Lasers?

Scientists led by Nanyang Technological University, Singapore (NTU Singapore) have developed a novel method to produce intense and ultra-fast lasers that holds promise for making precise devices that can speed up how quickly trace amounts of pollutants and hazardous gases can be sniffed out.

New Frequency Comb Can Identify Molecules in 20-Nanosecond Snapshots

With this new capability, researchers can potentially use frequency combs to better understand the split-second intermediate steps in fast-moving processes ranging from the workings of hypersonic jet engines to the chemical reactions between enzymes that regulate cell growth.

Optimal Information About the Invisible

Researcher are finding ways to estimate a target location when light gets deflected by a disordered structure.

Laser-based System Achieves Noncontact Medical Ultrasound Imaging

Researchers from MIT Lincoln Laboratory and their collaborators at the Massachusetts General Hospital Center for Ultrasound Research and Translation have developed a new medical imaging device: the Noncontact Laser Ultrasound (NCLUS).

Laser Attack Blinds Autonomous Vehicles, Deleting Pedestrians and Confusing Cars

Research reveals that expertly timed lasers shined at an approaching LIDAR system can create a blind spot in front of the vehicle.

Self-Organizing Lasers Could Lead to New Materials

Researchers from Imperial College London and University College London have demonstrated the first spontaneously self-organizing laser device, which can reconfigure when conditions change.

Pratt & Whitney, Virginia Tech Pioneer Laser-Optical Approach for Turbofan Engine Thrust Measurement

A longstanding partnership between Virginia Polytechnic Institute and State University (Virginia Tech) and Pratt & Whitney has resulted in a new laser-optical technology that aims to revolutionize in-flight thrust measurement.

Clean Technology Lasers: The New Tool in Surface Pre-Treatment for Superior Coating Adhesion

Given its effectiveness pretreating metal surfaces, industrial laser systems are increasingly being used in manufacturing facilities. The systems can be integrated into automated inline processing lines, or technicians can use mobile handheld units.

Detecting Porosity Defects in 3D-Printed Metal Parts

A research team has made new discoveries that can expand additive manufacturing in industries that rely on strong metal parts, including aerospace.

A First-Of-Its-Kind Integrated Optical Isolator

A team of researchers led by electrical engineer Marko Lončar at SEAS has developed a method for building a highly efficient integrated isolator that’s seamlessly incorporated into an optical chip made of lithium niobate.

Ultrafast Beam-Steering Breakthrough at Sandia Labs

The ability to control light using a semiconductor device could allow low-power, relatively inexpensive sources like LEDs or flashlight bulbs to replace more powerful laser beams in new technologies.

Beam Crossing Optical System

NASA’s Langley Research Center has developed a Beam Crossing Optical System for use in two-point Focused Laser Differential Interferometers.

Tunable, Narrow Linewidth, Chip-Scale Lasers

Mateus Corato Zanarella is the lead author of a Nature Photonics article describing the creation of tunable visible lasers of very pure colors from near-ultraviolet to near-infrared that fit on a fingertip.

Laser Attack Blinds Autonomous Vehicles, Deleting Pedestrians and Confusing Cars

Research reveals that expertly timed lasers shined at an approaching LIDAR system can create a blind spot in front of the vehicle.

Using Laser Transceivers for LEO Satellite Links

Organizations in both the public and private sectors are currently racing to launch large numbers of satellites into low-Earth orbit (LEO).

SPIE Photonics West 2023 Preview

The conference will showcase the latest innovations in lasers, photonics, optics, optoelectronics, biophotonics, biomedical optics, 3D printing, and more.

A Laser That Could Reshape the Landscape of Integrated Photonics

This technology will pave the way for new applications of integrated semiconductor lasers in LiDAR.