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Ultrashort-Pulse Lasers: Emerging Tools for Biomedical Discovery Mar 15, 2019 — From nonsurgical vision correction to multiphoton imaging to neuronal optogenetics, ultrashort-pulse lasers — also informally known as ultrafast lasers — have become essential tools in biomedical discovery. VEGFR3-positive (red) lymphatic vessels in diaphragm whole-mount section. Collagen fibers were visualized by second-harmonic generation (SHG) (green). Scale bar = 100 µm. Courtesy of Friedemann Kiefer, European Institute for Molecular Imaging. The technology
BioPhotonics, Apr 2019
Photobiomodulation Tools Highlight Research Needs Mar 7, 2019 — More than 50 years ago, when lasers were a new phenomenon, a Hungarian researcher applied a low-powered ruby laser to mice and noticed it stimulated hair growth and wound healing. To date, over 500 clinical trials and 4000 laboratory studies have...
BioPhotonics, Apr 2019
Prism Award Winners Take Center Stage SAN FRANCISCO, Feb. 7, 2019 — Amid the bustle of Photonics West, some of the industry’s top innovators gathered on Feb. 6 to honor the best products and advancements at the “Oscars of the photonics industry” — the Prism Awards for Photonics Innovation....
Photonics Spectra, Mar 2019
Optics Improvements Prompt Enhanced Component Parameters Jan 22, 2019 — For defense and security applications, size matters. So do weight, power, and cost. These four parameters are often referred to as SWaP-C, a key concept that drives the manufacture of defense and security systems, sensors, and optical components....
EuroPhotonics, Mar 2019
ASLMS 2019 Promotes Medical Excellence Jan 17, 2019 — Lasers, laser systems, and related applications will take the spotlight March 27-31 at the Colorado Convention Center in Denver during the conference of the American Society for Laser Medicine and Surgery (ASLMS). Focuses include nursing, patient...
BioPhotonics, Mar 2019
AO-OCT Comes into Focus Jan 17, 2019 — Adaptive optics (AO) technology is often used to correct for wavefront distortions imparted when light travels through complex optical systems, enhancing image resolution and facilitating diffraction-limited optics. It has played a particularly...
BioPhotonics, Mar 2019
Dual Imaging Method Holds Promise as a Tool for Cancer Diagnostics Jan 16, 2019 — Since Bell Labs first described the photoacoustic effect — the conversion of light to sound — in the late 1800s1, researchers have explored the principle for medical imaging purposes2,3. Over the past decade, advancements in lasers,...
BioPhotonics, Mar 2019
The Growing Role of Lasers in Treatments for Better Blood Flow Jan 11, 2019 — For some cardiovascular patients, laser-based procedures have become the best, and perhaps only, option to relieve pain and restore function associated with many diseases of the heart, arteries, and veins. New wavelengths, more rugged setups,...
BioPhotonics, Mar 2019
For Scientific Ultrashort-Pulse Lasers, the Sky Is Not the Limit Dec 26, 2018 — The 2018 Nobel Prize in physics, awarded jointly to Gérard Mourou and Donna Strickland for their chirped pulse light-amplification tech­nique, confirmed that ultrashort-pulse laser technology has reached a widespread prominence. Their work in...
Photonics Spectra, Feb 2019
Advancements in Raman Spectroscopy Find Real-World Uses in the Life Sciences Dec 14, 2018 — Since its development in the mid-1920s, Raman spectroscopy has been used to study various low-frequency vibrational modes in molecular systems. In contrast to its counterpart — Fourier transform infrared spectroscopy (FTIR), which probes...
BioPhotonics, Jan 2019
Prism Award Finalists Vie for 2019 Honors Dec 6, 2018 — The Prism Awards for Photonics Innovation bring anticipation and excitement each year to the Photonics West exhibition in San Francisco. Renowned as the “Oscars of the photonics industry,” the Prism Awards shine a spotlight on some of...
BioPhotonics, Jan 2019
Member Exclusive
Trends in Industrial Laser Solutions Nov 28, 2018 — The demands on lasers grow as the need for precision in manufacturing and other applications increases. In general, lasers enable processes that cannot be performed economically in any other way — such as drilling holes, selectively removing...
Photonics Spectra, Jan 2019
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Quantum Applications Jump Forward with Photonics Nov 26, 2018 — Quantum technologies encompass diverse fields that include computing, cryptography, and sensing. Quantum theory, first presented by Max Planck at the turn of the 19th century and followed by the theoretical foundation developed by Albert Einstein,...
Photonics Spectra, Jan 2019
Lasers: A Unique Microscopy Source Nov 2, 2018 — The optical microscope dates back to the time of Galileo. For most of the past century, microscopy was widely regarded as a ubiquitous and extremely mature field. Today, the picture is very different. Optical microscopy is an incredibly dynamic...
EuroPhotonics, Dec 2018
Photodetectors in Flow Cytometers Oct 25, 2018 — Flow cytometry is a technique that can provide quantitative and qualitative information about biological cells and microparticles. The information is in the light that has interacted with the cells as they pass one after another and one at a time...
Photonics Spectra, Dec 2018
Member Exclusive
Optical Coating Innovations Push Performance Oct 1, 2018 — Optical coatings improve the performance of mirrors, lenses, and light-emitting or absorbing semiconductors by enhancing transmission and reducing reflection. They also harden surfaces, allowing components to withstand harsh environments or take...
Photonics Spectra, Nov 2018
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Fiber Lasers Enable Advances in Product Technologies Sep 26, 2018 — Fiber lasers are a recognized powerhouse in the manufacturing sector of numerous industries because of the throughput, reliability, and low cost of operation they make possible for machines that cut, weld, mark, and micromachine materials. Specific...
Photonics Spectra, Nov 2018
SHG Microscopy Brings Live Cells into 3D Focus Sep 10, 2018 — Second-harmonic generation (SHG) microscopy brings the imaging of select biomolecular assemblies into 3D focus. It highlights biomolecules that follow specific structural organization within biological tissues, and complements two-photon excited...
BioPhotonics, Oct 2018
Photothermal IR Spectroscopy Boosts Chemical Microscopy, Expands Applications Aug 15, 2018 — Current bioanalysis largely relies on tissue homogenization and separation, followed by various assays. Without spatial and temporal dynamics information, the way in which molecules execute their functions in a living system remains unknown....
BioPhotonics, Sep 2018
High-Precision Laser Therapy Transforms Dentistry Aug 13, 2018 — Since the late 19th century, the mechanical drill has served as the cornerstone of dentistry. However, as dentists’ responsibilities continue to expand — and after decades of academic research resulting in the advancement of...
BioPhotonics, Sep 2018
Member Exclusive
With Lasers, 3D Printing on a Miniature Scale Aug 6, 2018 — Copies of buildings and the Statue of Liberty that are only microns tall — these are examples of what’s been done with three-dimensional nanolithography, known as 3D nanoprinting. Also possible today is the manufacturing of optical,...
Photonics Spectra, Sep 2018
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Tunable Laser Light Sources Advance Nanophotonics Research Jul 26, 2018 — A considerable part of contemporary photonics research that investigates the interaction of light with nanoscale objects — nanophotonics — is motivated by the commercial potential of real-world devices. A vast number of experimental studies call for...
EuroPhotonics, Sep 2018
Quiet Lasers, Cool Science Jun 27, 2018 — In the 1960s, just a few years after the laser was invented, researchers contemplated its use as a precision tool to control the motion of neutral atoms. Early research focused on the use of an opto- mechanical force based on the scattering of...
Photonics Spectra, Aug 2018
Terahertz Spectroscopy on the Cutting Edge of Material Testing Jun 27, 2018 — Just a few years ago, the application of terahertz radiation seemed obscure at best. If experts were asked for killer applications, few could be named. In 2018, however, terahertz measuring instruments are showing significant market potential....
Photonics Spectra, Aug 2018
Minimizing Stray Light in Everyday Optical Systems Jun 22, 2018 — Very often when optical engineers hear “stray light” or see a requirement for some level of either stray light analysis or testing, they become concerned. They wonder how such a simple system can have stray light problems. Or they think stray light...
Photonics Spectra, Aug 2018
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