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LASERS FEATURES
Beam Profiling: What Is Your Laser Not Telling You? May 4, 2021 — While it may seem intuitive that turning up the power on a laser will produce faster results in a materials processing operation, beam measurement tools often reveal that this only distributes the laser’s energy over a larger area, resulting in a lower irradiance (energy per unit area) on target. Today’s beam profiling instrumentation allows end users to tune their laser processes to achieve a precise irradiance that is intense enough for the task, but not so intense that a weld,...
Photonics Spectra, Jun 2021
Laser Technology Enhances and Expands the Medical Toolkit Apr 29, 2021 — Medical lasers have been used for decades in surgical contexts. In recent years, the development of compact, easy-to-use, and often self-contained modules has opened doors for new or enhanced procedures in ophthalmology, dentistry, dermatology, and...
Photonics Spectra, Jun 2021
Ultrafast Lasers Are Quickly Catching Up with Industry Demand Mar 31, 2021 — With pulse lengths down to the picosecond realm and beyond, ultrashort-pulse lasers — often called ultrafast lasers — have been deployed as scientific research tools for decades. The fields of femtochemistry, spectroscopy, and...
Photonics Spectra, May 2021
Molecular Laser Opens Unique Spectral Window Mar 23, 2021 — The terahertz spectral region, which falls between the microwave and infrared ranges, is one of the most promising regions of the electromagnetic spectrum for research and industry, but it is currently underutilized in these areas. There is no...
EuroPhotonics, Jun 2021
ASLMS 2021 Examines Laser-Based Treatments, Diagnosis in Online Setting Mar 18, 2021 — Following the cancellation of last year’s event, this year’s conference of the American Society for Laser Medicine and Surgery (ASLMS) will rebound with a virtual presentation of the latest in laser-based science and research. Registration is open...
BioPhotonics, Apr 2021
Member Exclusive
High-Energy Lasers Advance Defense and Industry Mar 3, 2021 — Ever since the laser first appeared in the public consciousness, popular culture has reframed it as a prospective weapon of infinite range and power. This is largely because popular culture is unshackled from the concerns of engineering and physics....
Photonics Spectra, Apr 2021
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Photonics Reduces Size, Weight, and Power for Defense Systems Mar 1, 2021 — Many modern troops go to battle carrying up to 80 lbs of gear per soldier. Approximately 20 lbs of this weight can come from batteries for radios and electro-optics. Reducing a soldier’s burden improves mobility and mission effectiveness and reduces...
Photonics Spectra, Apr 2021
Flow Cytometry Channels Photonics to Advance Immunology Jan 27, 2021 — The COVID-19 pandemic has put the field of immunology under an international spotlight. Researchers in the field have been rigorously studying our immune system’s response to the SARS-CoV-2 virus to understand how we combat infection....
Photonics Spectra, Mar 2021
Fiber Lasers Continue to Power Growth Jan 12, 2021 — Early fiber lasers were inefficient and limited to low powers, until more effective methods emerged to deliver the pump light into the cladding. Valentin Gapontsev, founder and CEO of IPG Photonics, is credited with pioneering the use of distributed...
Photonics Spectra, Mar 2021
Member Exclusive
Lasers and LEDs Layer on New Capabilities for Additive Manufacturing Dec 31, 2020 — Additive manufacturing, aka 3D printing, offers an alternative to conventional manufacturing and assembly methods by building products layer by layer. In addition to enabling heretofore impossible part geometries, the technology also hints at a...
Photonics Spectra, Feb 2021
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Pulsed Lasers Pierce the Diffraction Limit in Medicine Dec 17, 2020 — Optical imaging of tissues in diagnostics is a burgeoning field of research, and related technology has shown the ability to provide rapid, sensitive, and specific data that discriminates disease-related characteristics. However, the depth at which...
BioPhotonics, Feb 2021
Ultrashort Laser Pulses Mark Lasting Codes on Medical Devices Dec 10, 2020 — To enhance the effectiveness of the post-market surveillance of medical devices, both the U.S. and the European Union have adopted unique device identification (UDI) regulations: the FDA Amendments Act of 2007 and the European Commission Legislative...
EuroPhotonics, Mar 2021
Member Exclusive
As Science Advances Lasers, So Lasers Advance Research Dec 6, 2020 — Lasers have been used to conduct academic research nearly since their invention in 1960, and these sources of coherent light quickly found diverse, if not precisely directed, applications. “Some of the earliest research was simply zapping anything...
Photonics Spectra, Jan 2021
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An Essential Exchange of Ideas Would Benefit the Optics Industry Dec 3, 2020 — Highly dispersive mirrors, nanostructured coatings, and freeform optics are the vanguard in optics, and they are well positioned to expand performance and open up new applications. But there’s a caveat: Without better cooperation among...
Photonics Spectra, Jan 2021
Laser Processing Tools Introduce Flexible Options for Brittle Glass Dec 1, 2020 — On Feb. 6, 2016, researchers from the University of Southampton Optoelectronics Research Centre (ORC) presented UNESCO with a small glass disc during the closing ceremony of the Year of Light. At the center of the disc was a dot measuring 1 mm in...
Photonics Spectra, Jan 2021
Inaugural Photonics Spectra Conference to Highlight Innovations in Lasers, Optics, More Oct 20, 2020 — The first Photonics Spectra Conference is set for Jan. 19-22, featuring presentations in four tracks: lasers, optics, biomedical imaging, and spectroscopy. Each day-long program will feature a keynote address and sessions that highlight the latest...
Photonics Spectra, Dec 2020
Exploring the Role of High-Purity Laser Light in Quantum Technology Oct 6, 2020 — A second quantum revolution is underway. The first revolution relied on an understanding of the wave-particle duality of electrons and photons, and led to the information age of smartphones, the internet, and supercomputers. Inventions of the second...
Photonics Spectra, Dec 2020
As Displays Evolve, Lasers Offer New Bonding Options Oct 2, 2020 — The display industry has used anisotropic conductive film (ACF) for component packaging applications for decades. By aligning display parts precisely and applying heat and compression for the right duration of time, ACF bonding technology ensures...
Photonics Spectra, Oct 2020
Ultrafast Lasers Probe the Fingerprint Region Sep 29, 2020 — Twenty years ago, spectroscopists typically relied on a toolbox of analytical techniques to collect the data needed to make measurements. From gas chromatography and mass spectrometry to high-performance liquid chromatography and nuclear magnetic...
Photonics Spectra, Nov 2020
Laser-Processed Composites Help Harvest Biofuels Sep 4, 2020 — Ever-increasing environmental concerns have placed biofuels in the spotlight of research and development efforts in search of a clean energy solution. In this context, microalgae biomass harvested with pulsed lasers is a viable alternative for the...
EuroPhotonics, Dec 2020
Laser Direct IR Imaging Projects Microplastics Analysis Aug 13, 2020 — Contamination of soil, air, and drinking water by microplastics is a growing focus of attention around the world. Environmental agencies are increasing the monitoring of waterways, and governmental bodies are seeking to protect these resources....
BioPhotonics, Oct 2020
Antireflection Coatings for High-Power Fiber Laser Optics Jul 31, 2020 — High-power kilowatt-level fiber lasers operating between 1.0 and 1.1 µm find frequent use in macro-materials processing applications, such as cutting and welding metal sheets. The nature of these applications requires laser optics to perform...
Photonics Spectra, Sep 2020
Diamond Raman Lasers Offer Multifaceted Potential Jul 28, 2020 — Ever since Ted Maiman used a flash-pumped synthetic ruby crystal to generate the first coherent light source in 1960, the development of optical gain media has become a critical area of study for many science and engineering fields. While...
Photonics Spectra, Sep 2020
Smart Control Methods Speed Up Micromachining Jul 14, 2020 — Considerable advancements have been made in the precision and dynamic control of laser scan systems during the last few years. Depending on the application, new control methods can bring additional productivity to users in fields such as...
EuroPhotonics, Sep 2020
Supertwisted Light from a Metasurface Laser Jun 29, 2020 — Structured light refers to the tailoring or shaping of light in all its degrees of freedom. The recent development of structured light supports applications such as optical communications, enhanced resolution in imaging, and optical trapping and...
Photonics Spectra, Aug 2020
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