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Bio-Inspired Photonics Comes Full Circle Jan 15, 2018 — Nothing compares with nature’s ability to design complex biological organisms and structures, refined by eons of evolution. Natural design has inspired scientists for centuries to try to imitate natural phenomena such as the sticky grip of a gecko, the camouflage of an octopus or the flight of a bird. Similarly, bio-inspired photonics extracts inspiration from the way organisms interact with light, applying it to photonics technology and manmade systems, perhaps using different materials,...
BioPhotonics, Mar 2018
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Polarization-Resolved CRS Reveals Lipid Disorder at the Molecular Scale Jan 12, 2018 — The neurosciences are still searching for imaging methods capable of better assisting researchers and clinicians with accurate diagnoses, appropriate treatments and a greater understanding of the origin of neurological diseases. Recent imaging...
BioPhotonics, Mar 2018
Histology Breaks a Speed Barrier Jan 11, 2018 — High-bandwidth sensing has brought data volumes previously unconsidered into everyday tools. Tightly coupled with this are modern, powerful computational approaches, including machine learning and scalable computation, that enable intelligent data...
BioPhotonics, Mar 2018
LED Technology Advances Endoscopy Jan 11, 2018 — Endoscopy is a minimally invasive medical procedure used to view or image inside the human body for surgical and diagnostic applications (Figure 1). This method was first used in the 19th century and has expanded to a wider use today, with...
BioPhotonics, Mar 2018
Measuring Diffraction Grating Efficiency Jan 4, 2018 — Diffraction gratings are in most optical spectrometers covering visible, IR and UV spectra. Absorption and emission spectrometers, fluorimeters, inductively coupled plasma instruments and high-performance liquid chromatography equipment all use...
Photonics Spectra, Feb 2018
SPIE BiOS Highlights Biomedical Optics Jan 3, 2018 — SPIE BiOS has been hailed “the most important biomedical optics conference you can attend in 2018.” The world’s largest biophotonics, biomedical optics and imaging conference, it offers the latest research on topics such as...
BioPhotonics, Jan 2018
Diffractive Optical Elements: Minimizing Zero Order Jan 2, 2018 — Over the years, diffractive optics have evolved into an effective way of beam shaping and splitting. Their advantages over refractive optics are well known; they’re lightweight and compact and can be integrated easily into optical systems....
Photonics Spectra, Feb 2018
Raman Spectroscopy Peers Through Packaging Dec 29, 2017 — Raman spectroscopy is a well-established molecular spectroscopic technique for noninvasive and nondestructive chemical analysis. It is used to identify mostly organic materials, such as carbon nanomaterials, controlled substances and hazardous...
Photonics Spectra, Feb 2018
Onboard Lidar Detects Turbulence, Volcanic Ash Near and Far Dec 22, 2017 — The accurate measurement of relative air speed, temperature and pressure is essential for the flight control system to operate safely and economically within the operational envelope and set flight corridor. Air speed is typically measured using...
Photonics Spectra, Feb 2018
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New Frontier for Quantum Sensing Dec 21, 2017 — Quantum physics is a peculiar field. In the subatomic domain, the usual physical laws no longer apply. Instead, nonintuitive behaviors reign and new laws govern. A case in point is the Heisenberg uncertainty principle, which tells us that it is not...
Photonics Spectra, Feb 2018
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Additive Manufacturing Ups Its Game Dec 14, 2017 — Additive manufacturing builds up parts by binding plastics and other materials together, with lasers, LEDs, other light sources, heaters or electron beams supplying the necessary energy. The resulting parts are light yet still strong. What’s...
Industrial Photonics, Jan 2018
Thermal Imaging Spurs New Applications Dec 13, 2017 — Long-wave infrared (LWIR) imaging, also known as thermal imaging, has played a critical role in the defense and security market for decades because of its ability to detect warm (or live) objects independent of ambient lighting. Recently, advances...
Industrial Photonics, Jan 2018
Mastering Machine Vision Dec 12, 2017 — As competition increases and customer requirements become more stringent, machine vision technology is becoming imperative for companies in manufacturing. Vision systems provide an automated and repeatable way of performing the quality control and...
Industrial Photonics, Jan 2018
Image-Based Barcode Reading Fulfills its Promise Dec 12, 2017 — Traditionally, 1D barcodes have been read by laser scanners that project a beam across the barcode and use reflected light to generate an electrical signal for decoding. Although these scanners are mature and effective, a number of inherent...
Industrial Photonics, Jan 2018
Endospectroscopic Imaging Takes Optical Biopsies to the Next Level Dec 8, 2017 — Spectroscopy has the potential to provide pathologists with fast in vivo tissue characterization to determine tumor type and grade and to delineate tumor margins. However, extending the applicability of microspectroscopy to in vivo imaging requires...
BioPhotonics, Jan 2018
MUSE: Simple Slide-Free Microscopy Dec 8, 2017 — Even in this era of molecular medicine, conventional light microscopy remains the principal contributor to cancer diagnostics and also serves to guide surgical procedures, monitor disease activity and follow therapy responses over time. Although...
BioPhotonics, Jan 2018
Silicone Immersion Objectives Boost 3D Live-Cell Imaging Dec 6, 2017 — Refractive index mismatch and resulting spherical aberration has historically plagued researchers interested in long-term, live-cell imaging at high resolution. The use of silicone oil objectives helps mitigate this mismatch, as the refractive index...
BioPhotonics, Jan 2018
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Terahertz Imaging Takes Aim at Dermatology and Dentistry Dec 4, 2017 — The first terahertz image was taken at the AT&T Bell Laboratories more than 20 years ago in 1995. The astonishingly clear image of the inside of a packaged semiconductor integrated circuit brought immense attention to terahertz imaging for...
BioPhotonics, Jan 2018
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Reflections on a Storied Career Nov 28, 2017 — For 18 years, Eugene Arthurs, Ph.D., has served at the helm of SPIE, the international society for optics and photonics. During that time, SPIE saw its membership ranks expand, launched seven new journals, marked its 50th anniversary and, in 2008,...
Photonics Spectra, Jan 2018
Evolution of the Supercontinuum Light Source Nov 28, 2017 — For many applications, coherent light at a single frequency is more than adequate. But having a light source that combines the properties of a laser with the broad bandwidth of an incandescent bulb and a short pulse duration opens up a new realm of...
Photonics Spectra, Jan 2018
Optics Transforming AR, Wearables and Beyond Nov 21, 2017 — The sea change of optics usually moves gradually, but today we are on the precipice of rapid change. As in the past, optics continues its coupling with other nonoptical technologies — fabless semiconductor manufacturing, microelectronics,...
Photonics Spectra, Jan 2018
Breakthrough in Fabricating Active-Matrix GaN Microdisplays Nov 20, 2017 — The growing interest in wearable devices has highlighted the need for high-performance microdisplays. Such displays are based on technologies that include reflective or transmissive liquid crystal displays (LCDs), organic LEDs (OLEDs) or MEMS-based...
Photonics Spectra, Jan 2018
Packing More Performance Into Smaller Spectrometers Nov 9, 2017 — From food safety and manufacturing efficiency, to environmental testing and medical diagnosis, optical spectroscopy is already an indispensable tool across several industries. Today, thanks to miniaturization of instruments and sophisticated...
Photonics Spectra, Jan 2018
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New Laser Technologies Displacing Old Nov 8, 2017 — For some CO2 laser applications, the end is at hand, with fiber lasers having almost totally replaced the older technology. Another shift currently brewing is due to the arrival of high-power diode lasers, which are impacting materials processing...
Photonics Spectra, Jan 2018
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3D Imaging Aids Life Sciences Nov 2, 2017 — While human bodies and single cells are three-dimensional, imaging of them often was not. Data might be captured in two-dimensional slices during a computed tomography, magnetic resonance, ultrasound or even microscope study. But the interpretation...
BioPhotonics, Dec 2017
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