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Workholding Adhesives for Optical and Ceramic Components Oct 29, 2019 — The way optical workpieces are held during processing has changed little over the decades. During grinding and polishing, vacuum fixturing and adhesives such as wax, pitch, and epoxy resins have traditionally been used. The waxes and pitches are heated to reach a flowable state and are then applied to the fixture or part. Once the wax or pitch has cooled, the workpiece is placed into a holding device for processing. In both fixed and rotating applications, the vacuum is often applied with a...
Photonics Spectra, Dec 2019
Digital Holographic Microscopy Enhances Cytometry and Histology Oct 29, 2019 — In recent years, quantitative phase imaging (QPI) has been continuously improved for purposes of high-resolution, label-free quantitative microscopy. Label-free imaging has received increased attention in the last decade as a minimally invasive way...
EuroPhotonics, Dec 2019
Newspace Launches Hyperspectral Imaging into Orbit Oct 28, 2019 — Half a century ago, the first Space Age was in full swing, funded by large government budgets and fueled by economic-political pressure to dominate space exploration. Today this movement has evolved into NewSpace — a revolution in the space industry...
EuroPhotonics, Dec 2019
Image Sensors Power Embedded Vision Oct 25, 2019 — New imaging applications are booming: from collaborative robots in Industry 4.0 to drones that fight fires and monitor crops, from biometric face recognition to point-of-care hand-held medical devices at home. A key enabler in the emergence of these...
Photonics Spectra, Dec 2019
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Better Biomedicine via 3D Imaging Oct 23, 2019 — Advancements in biomedical 3D imaging promise to improve research findings and clinical outcomes, thereby producing widespread benefits. In research, a combination of techniques will enable high-speed visual 3D imaging effectively below the...
Photonics Spectra, Dec 2019
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Laser Processing Brings Manufacturing to Next Level Oct 23, 2019 — Lasers are used in many industrial sectors for a wide variety of processes, including drilling, cutting, welding, and scribing, to optimize manufacturing and ensure high-quality components. Prices have fallen and, with the added application support...
EuroPhotonics, Dec 2019
The Eyes Behind Surgical Robots Oct 22, 2019 — The first robotic surgery took place in 1985 when the PUMA 560 was used in a stereotaxic operation in which computed tomography (or x-ray) was used intraoperatively to guide a robot as it inserted a needle into the brain for biopsy. In the late...
BioPhotonics, Dec 2019
Deconvolution Helps Break Down Imaging Barriers Oct 11, 2019 — Deconvolution is a computationally intensive image processing technique used to improve the contrast and sharpness of images captured with a light microscope. Light microscopes are diffraction limited, which means they are unable to resolve...
BioPhotonics, Dec 2019
Compressive Raman Bioimaging: The Need for Speed in Medicine Oct 9, 2019 — Conventional bright-field microscopy is the standard for biomedical imaging because it provides cost-effective clinical analysis. However, for researchers and clinicians to assess tissue images accurately, years or even decades of experience are...
BioPhotonics, Dec 2019
The American Society for Cell Biology Looks to Convert Research into Reality Oct 7, 2019 — The 2019 Annual Meeting and Conference of the American Society for Cell Biology and European Molecular Biology Organization (ASCB|EMBO) will be held Dec. 7-11 at the Walter E. Washington Convention Center in Washington, D.C. Attendees will learn...
BioPhotonics, Dec 2019
Vision Systems Regulate Traffic, Improve Safety Oct 7, 2019 — On the roads at any given moment, there are traffic accidents, stopped vehicles, and drivers going the wrong way on one-way streets. All of these incidents adversely affect traffic flow and lead to congestion, delays, and, sometimes even secondary...
Vision Spectra, Dec 2019
Quantitative Phase Imaging Aims at Penetrating Thick Tissues Oct 7, 2019 — In 1942, phase microscopy revolutionized biological imaging because it enabled clear visualization of cells and their internal contents without labels or stains. This empowered biologists to study these transparent, living objects over long periods...
BioPhotonics, Dec 2019
From IR to THz, Space Telescopes Get Detector Array Upgrades Oct 2, 2019 — August 25 marked the Spitzer Space Telescope’s “sweet 16.” Launched in 2003 with a planned primary mission of 2.5 to 5 years, the infrared observatory — the last of NASA’s Great Observatories to take flight — far...
Photonics Spectra, Nov 2019
Optifab 2019 to Showcase the Latest in Optical Manufacturing Oct 1, 2019 — SPIE Optifab 2019, North America’s largest optical manufacturing conference and exhibition, will be held Oct. 14-17 at the Rochester Riverside Convention Center in Rochester, N.Y. This biennial event is organized jointly by SPIE and the...
Photonics Spectra, Oct 2019
Motion Control Solutions for High-Precision, Large-Field Laser Micromachining Sep 25, 2019 — High-precision, high-throughput laser micromachining typically requires galvo scan heads with a short focal length, which in turn produces a small image field, or field of view (FOV). However, a growing number of high-tech manufacturing areas, such...
Photonics Spectra, Nov 2019
Machine Vision Makes the Move to IoT Sep 23, 2019 — One of the most hyped technologies in recent years has been the Internet of Things (IoT), a trend that has entered our consumer lives via home monitoring systems, wearable devices, connected cars, and remote health care. These advancements have...
Vision Spectra, Dec 2019
High-Speed 3D Inspection with Liquid Lenses Sep 23, 2019 — The concept of liquid lenses, which involves controlling the shape of a liquid to alter the properties of a lens, is not new. The human eye uses this concept every day as it focuses on objects near and far. The ciliary body of the human eye contains...
Photonics Spectra, Nov 2019
Fluorescence Microscopy: Getting the Picture Right Sep 18, 2019 — Fluorescence microscopy is a very broadly used term covering numerous applications. It ranges from basic life science applications such as time-lapse cell viability assays — in which dead cells are counted as they start to fluoresce by intrusion of...
BioPhotonics, Sep 2019
Optics Peers Through the Haze of Dementia Sep 16, 2019 — As the number of people suffering from Alzheimer’s disease (AD) and related dementias grows, so too does the pressure on the medical community to identify dementias as early as possible and potentially treat them. Researchers on both sides of...
BioPhotonics, Oct 2019
Commercial Small Animal Imaging Could Aid Disease Detection Sep 11, 2019 — The development of anticancer metastatic therapies for human clinical trials requires meticulous evaluation of efficacy and optimization of small animal test models in preclinical experimentation. Critical information on morphology and the molecular...
BioPhotonics, Oct 2019
Nano-Optic Endoscope Gets Clearer View of Organs Sep 10, 2019 — The emergence of innovative imaging techniques has enabled several medical applications in detection, diagnosis, and monitoring of diseases. However, there still exists a gap in the imaging of internal organs where tissues are not readily...
BioPhotonics, Oct 2019
Biomedical Photoacoustics Reverberates in Clinics Sep 9, 2019 — Shortly before Alexander Graham Bell’s death in 1922, the Scottish American scientist and inventor said the telephone was not what he regarded as his greatest achievement. Rather, that distinction went to a now little-known device called the...
BioPhotonics, Oct 2019
Characterizing Microplastics with Raman Spectroscopy Sep 3, 2019 — We live in a disposable world. Plastic throwaway utensils and packaging litter our landfills and often end up in our oceans. The large pieces pose problems for aquatic life. Mistaking litter for food, sea life eat it, which wreaks havoc on the their...
Photonics Spectra, Oct 2019
Q&A Spectroscopy gives clear view of data Sep 3, 2019 — Spectroscopy is a broad field comprising a variety of methods and modalities, and covering applications from industry process control and security to biomedical. Each modality has its particular advantages and disadvantages, including speed,...
BioPhotonics, Sep 2019
Face Recognition Systems and Consumer Devices Sep 3, 2019 — Many forms of biometric authentication are technically feasible, but one in particular has won acceptance in use cases that call for high security and minimal intrusiveness for the user: face recognition. Today, most people’s interactions with face...
Photonics Spectra, Oct 2019
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