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LASERS FEATURES
Acousto-Optic Components Overcome Limitations in Confocal Microscopy Dec 15, 2022 — Confocal and multiphoton microscopy are commonly used to provide 3D-resolved images of in vitro or in vivo tissue samples without physical sectioning. But there are also inherent trade-offs in the use of these techniques when it comes to imaging depth, resolution, and speed. Recent developments in the use of acousto-optic and other photonic components integrated into a microscope are beginning to address these limitations in capability, opening up new opportunities in life science research.
BioPhotonics, Feb 2023
Lasers Shape a New Future for Additive Manufacturing of Metal Parts Dec 6, 2022 — Aerospace and automotive manufacturers initially adopted additive manufacturing (AM) methods as a means to rapidly prototype new parts or to fabricate more complex or consolidated components in a single step. They applied additive manufacturing to...
Photonics Spectra, Jan 2023
Beam Profiling Evolves to Keep Lasers in Line with New Applications JOEL P. WILLIAMS, ASSOCIATE EDITOR Lasers provide many different industries with greater efficiency, less waste, and higher precision, but they are not always as easy to fix as the machines they replace. A blunted drill bit is easier to observe and replace than an underperforming...
Photonics Spectra, Jan 2023
Quantum Technology: The Next Little Thing in Photonics Nov 23, 2022 — The 2022 Nobel Prize in physics was awarded to three scientists, each with a record in quantum research. They were rewarded for discoveries they had made three decades ago, discoveries that paved the way for a new quantum revolution, or Quantum 2.0...
Photonics Spectra, Jan 2023
Multispectral Photoacoustic Imaging Peers into Skin Disease Oct 31, 2022 — The earlier that skin diseases are detected, the greater the odds that a particular therapy will be effective and successful. Optical dermoscopy, today’s medical standard for achieving early detection, allows experienced dermatologists to reliably...
Photonics Spectra, Dec 2022
New Sensors and AI Optimize Laser Welding Oct 3, 2022 — Welding is an ancient technology. Five thousand years ago, Egyptians used it to join copper water pipes together. Over the centuries it evolved into an essential technology to fuse various types of metals as experienced welders learned to optimize...
Photonics Spectra, Nov 2022
STEM Programs Struggle to Satisfy the ‘Endless Demand’ for Photonics Talent Jun 29, 2022 — Earlier this year, at a major recruitment event at the University of Arizona’s Wyant College of Optical Sciences (OSC), the job openings listed outnumbered students in attendance. This imbalance exemplifies the immense pressure STEM programs...
Photonics Spectra, Aug 2022
Photonic Wire Bonding: Using Lasers to Integrate Lasers Jun 27, 2022 — Just as electronic integrated circuits have revolutionized computing, photonic integrated circuits (PICs) are poised to transform applications such as high-speed optical communications, optical signal processing, optical sensing, and quantum...
Photonics Spectra, Aug 2022
More than Skin Deep: Photonics Protects Our Cultural Heritage Jun 23, 2022 — For hundreds of years, analysis trumped preservation when it came to irreplaceable cultural heritage objects such as paintings, icons, and written works. Today, conservators avoid taking even tiny samples from works of priceless art, making...
Photonics Spectra, Aug 2022
Expanding the Range: Wearables Enable the Next Level of Mobile Health Data Monitoring Jun 20, 2022 — The next generation of wearable devices will no longer be created only for the fitness-conscious to monitor their daily steps or heart rate on a smartwatch. Increasingly sophisticated photonic components such as LED arrays and specialized lasers, as...
BioPhotonics, Aug 2022
Raman Spectroscopic Method Diagnoses Infection at the Point of Care Jun 13, 2022 — Millions of people worldwide die from infectious diseases each year, and the spread of these diseases poses a real threat to the survival of public health systems. How quickly health care institutions can be overburdened when an infection rapidly...
BioPhotonics, Aug 2022
VCSELs Increase Power and Wavelength for 3D Sensing Jun 2, 2022 — For vertical-cavity surface-emitting lasers (VCSELs), the future looks bright — because their performance is rising while their price is falling. On the horizon is also a move from near-IR to shortwave IR wavelengths. These trends will help...
Photonics Spectra, Jul 2022
Outshining LEDs: Diode Lasers Deliver Intensity to Illumination May 31, 2022 — The development of light-emitting diode (LED) lighting has been a great success story of our times. LEDs are nearly ideal light sources that have largely replaced other lighting technologies, except in some niche applications. Solid-state lighting...
Photonics Spectra, Jul 2022
Industrial Femtosecond Laser Advancements Power Next-Generation Applications May 2, 2022 — Commercial use of ultrashort-pulse lasers, and femtosecond pulsed lasers in particular, continues to rise, due to the ability of these sources to cleanly ablate material or tissue with minimal heating of and damage to surrounding areas, and with...
Photonics Spectra, Jun 2022
A New Generation of Femtosecond Lasers Packs Practicality with Precision Mar 31, 2022 — To say that femtosecond laser technology has undergone a transformation in recent years is an understatement that not only minimizes the huge strides made in technical terms, but especially so the improvements in accessibility. Complex tabletops...
Photonics Spectra, May 2022
Precision Optics Shape Both the Light and the Limits of High-Power Lasers Mar 3, 2022 — High-power lasers have become a standard and ubiquitous tool in many industrial applications, due, in part, to the precisely controllable energy that they provide. But “high power” can be a challenging term to parse, and it often needs...
Photonics Spectra, Apr 2022
Laser Shock Peening Fights Fatigue in Metal Parts Mar 2, 2022 — Laser shock peening is a process that adds beneficial residual stress points in materials commonly used to develop a wide range of parts and components. These residual stresses effectively increase the materials’ resistance to surface-related...
Photonics Spectra, Apr 2022
Spectroscopy Takes the Long View on Threat Detection Mar 1, 2022 — When the Perseverance rover landed in Mars’ Jezero crater on Feb. 18, 2021, it represented not only a leap in the search for life on the red planet but also in the identification of deadly chemicals on Earth. Mounted to the rover’s...
Photonics Spectra, Apr 2022
Advancements in Diode Lasers Fuel Automotive Lidar Jan 27, 2022 — Lidar for autonomous vehicles debuted in 2007 as an enabling sensor technology for robotaxis and robotruck development. Within the last five years, however, the technology has trended toward broader commercialization in mass-market passenger...
Photonics Spectra, Mar 2022
Quantum Cascade Lasers Shift from an Emerging to an Enabling Technology Jan 5, 2022 — Since the unveiling of the quantum cascade laser (QCL) at Bell Labs in 1994, the technology has evolved — from being simply a cutting-edge field in pho­tonics research to being commercially available in the form of packaged lasers, QCL-powered...
Photonics Spectra, Feb 2022
Dynamic Beam Lasers Reshape Materials Processing Applications Dec 29, 2021 — Automotive electrification is just one of the major trends redefining the requirements for high-volume materials processing in precision manufac­turing. From the need to align and connect battery layers, to the expanding deployment of additive metal...
Photonics Spectra, Feb 2022
Fiber Optic Sensors Are Wired for Growth with Infrastructure Improvements Dec 3, 2021 — In October 2021, a 40-year-old undersea pipeline off the coast of California ruptured, releasing more than 130,000 gallons of crude oil into the Pacific Ocean. The spill polluted the ecosystem, stifled local economic activities such as fishing and...
Photonics Spectra, Jan 2022
E-Mobility Manufacturing Powers Opportunities for Laser Welding Dec 2, 2021 — In 2017, research analysts at UBS Securities disassembled a Chevy Bolt, the world’s first mass-market electric vehicle (EV), and a Volkswagen Golf, Europe’s top-selling internal combustion engine (ICE) car. When the UBS team compared the...
Photonics Spectra, Jan 2022
Demand for MIR Photonics Rises on New Gas Analysis Applications Nov 29, 2021 — Real-time precision gas analysis is critical to a wide range of industries, including medical diagnostics, emissions monitoring, and semiconductor fabrication. The relatively simple molecular structure of most gases makes them ideal candidates for...
Photonics Spectra, Jan 2022
A Wealth of Photonic Solutions Fuels Momentum for Automotive Lidar Nov 24, 2021 — The dream of fully autono­mous, driverless cars remains just that for now — a vision of a future that will require considerable effort from engineers and programmers to realize. But other, subtler forms of automation are already entering the...
Photonics Spectra, Jan 2022
(739 results found)
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