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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 field with recent Nobel prizes given for new techniques that overcome the diffraction limit, as well as tools such as new fluorescent proteins that have enabled considerable advances in the life sciences. image Figure 1. Deep imaging using
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
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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
Lasers for Micromachining: Shorter Pulses, More Power Jun 5, 2018 — Smaller devices, tighter tolerances, and higher performance demand finer and finer features — hence the increasing need for micromachining. For lasers, this often translates into a requirement for shorter pulse widths. However, these must be at the...
Industrial Photonics, Jul 2018
Extreme UV Keeps Pace with Moore’s Law May 30, 2018 — For years, 193-nm immersion lithography enabled foundries to create increasingly smaller features on silicon wafers. The technique involved shining 193-nm light through a patterned surface that cast a pattern onto a blank silicon wafer. But problems...
Photonics Spectra, Jul 2018
3D Printing Creates Patient-Specific Implants May 10, 2018 — Every patient is unique. Hence, nothing is more natural than providing each patient with a unique implant. Thanks to laser-based additive manufacturing, this is already possible. Patient-specific titanium implants manufactured by laser sintering,...
BioPhotonics, Jun 2018
Scientific Lasers Deliver Ease of Use, Greater Reliability May 1, 2018 — Ultrafast lasers are the dominant laser source for scientific applications. Two key technical trends are emerging that support several diverse applications. The first development is the emergence of ytterbium fiber (Yb-fiber) as a reliable...
EuroPhotonics, Jun 2018
Extreme UV Sources Fill the Gap Mar 28, 2018 — The electromagnetic spectrum has several regions where emitters, detectors, or both are not readily available. Terahertz and the far-infrared are prime examples. Even within the visible spectrum, much has been said about the “green gap”...
Photonics Spectra, May 2018
Optical Mapping Delivers Realistic, 3D Images for AR Mar 22, 2018 — The global market for virtual reality (VR), augmented reality (AR), and mixed reality (MR) continues to expand, with a variety of these technologies sprouting in the past five years, cultivated by both tech giants such as Microsoft and Google and...
Photonics Spectra, May 2018
All-Optical Logic Gates Show Promise for Optical Computing Mar 13, 2018 — When it comes to computing, one of the primary bottlenecks in increasing data transfer rates is the conversion time required from optics to electronics when the signal reaches a semiconductor microprocessor. One approach to addressing this problem...
Photonics Spectra, Apr 2018
Multiphoton Microscopy Sets the Standard for Live-Cell Imaging Mar 12, 2018 — Multiphoton imaging is widely used for live-cell imaging. Many of the applications are in neuroscience, where the overarching trends involve deeper imaging using longer wavelengths. These trends are the leading drivers behind the latest generation...
BioPhotonics, Apr 2018
Improving Automation with 3D Vision Mar 7, 2018 — If a traditional picture is worth a thousand words, what’s the value of a 3D image? Quite a bit when it comes to automation. Consider a robot picking a part out of a bin in an automated assembly line. “If you want to accurately grab a...
Industrial Photonics, Apr 2018
Laser-Induced Breakdown Spectroscopy Beyond the Lab Mar 5, 2018 — Laser-induced breakdown spectroscopy (LIBS) techniques have been studied and applied for more than half a century. The first plasma induced by a laser was observed shortly after the invention of the laser itself, but only recently has LIBS moved...
Photonics Spectra, Apr 2018
Member Exclusive
Lasers Adapt to Changing Threat Landscape Feb 26, 2018 — The danger facing today’s global defense force is shifting. With the rise in unmanned aerial vehicles (UAVs) and enemies gaining greater ballistic missile expertise, ultraprecise and quick-response laser systems are attracting more interest...
Photonics Spectra, Apr 2018
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Innovation Shines at 2018 SPIE Prism awards Feb 12, 2018 — The 2018 Prism Awards for Photonics Innovation brought out the best of the best. Many companies in Europe and others from around the world were among 30 finalists for the awards that recognize the industry’s top innovations and groundbreaking...
EuroPhotonics, Mar 2018
Member Exclusive
Getting More Out of Telecom Fiber Jan 29, 2018 — The rising amount of data generated by people and machines around the world travels largely by fiber, with some of it moving thousands of miles in a hop. For some long jumps, new ultralow-loss, large effective area fiber is going into the ground and...
Photonics Spectra, Mar 2018
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