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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 asymmetric molecular stretches and changes in dipole moment through absorption of radiation — Raman spectroscopy probes symmetrical stretches and changes in polarizability of a molecule via inelastic scattering of radiation. Variants now include
BioPhotonics, Jan 2019
Technological Synergies Move Spectroscopy Out of the Lab Nov 12, 2018 — Spurred by manufacturing advancements over the past decade, lasers, sensors, and imaging devices have become more compact and reliable. This progress has allowed spectroscopy to grow into new and diverse fields. The tabletop semiconductor laser, the...
Photonics Spectra, Jan 2019
FTIR Spectroscopy: A Comprehensive Biological Investigator Oct 19, 2018 — Almost every molecule in the universe interacts with IR radiation, which excites vibrations in the molecule, rendering Fourier transform IR (FTIR) spectroscopy a universal method to investigate biological systems. In contrast to many popular...
BioPhotonics, Dec 2018
Smartphone Spectroscopy Takes the Lab to the People Sep 17, 2018 — By 2020, the number of smartphone users in the world is expected to reach almost 2.9 billion — nearly doubling in six years from about 1.6 billion in 2014. Technology companies and researchers have been directly and indirectly imbuing...
BioPhotonics, Oct 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
Smartphone Spectroscopy Promises a Data-Rich Future Jun 26, 2018 — The seminal 1960s television series “Star Trek” delivered futuristic inventions and Captain James T. Kirk’s roguish smile into American homes on a weekly basis. Among the show’s memorable gadgets were the communicator, which inspired the design of...
Photonics Spectra, Aug 2018
Hyperspectral Imaging Fights Food Waste May 10, 2018 — Despite being the world’s most globalized industry, agriculture is extremely inefficient. Global supply chains have been mechanized but not information-enabled, and they have not yet fully benefited from the explosion of digital technologies that...
Industrial Photonics, Jul 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
Terahertz 3D Spectroscopy Boosts Imaging Applications Apr 19, 2018 — Terahertz imaging is a promising technique for noncontact, noninvasive, nonionizing 3D spectroscopy. Terahertz rays, located between microwave and IR on the electromagnetic spectrum from approximately 0.06 THz (60 GHz) to 10 THz, are capable of...
EuroPhotonics, Jun 2018
Raman Hyperspectroscopy Shows Promise for Diagnosis of Alzheimer’s Apr 13, 2018 — Raman hyperspectroscopy combined with advanced statistics is uniquely suitable for characterizing microheterogeneous systems. Understanding the structure and biochemical composition of samples at the microscopic level is important for many practical...
BioPhotonics, Jun 2018
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SMS Reveals Hidden Behaviors Mar 6, 2018 — It was 28 years ago that the first optical experiments to detect a single molecule took place in the Moerner Laboratory at IBM Research, with relatively esoteric, low-temperature, high-resolution spectral measurements. Since then, room-temperature...
BioPhotonics, 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
Nano-FTIR Spectroscopy Reveals Material’s True Nature Jan 26, 2018 — Fourier transform infrared spectroscopy (FTIR) from about 2 to 20 µm is a common analytical tool for characterizing material and useful in a range of applications in analytical chemistry, biology, geology and medicine. Besides chemical...
Photonics Spectra, Mar 2018
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
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
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
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
Photonics West Brings Together Industry’s Best, Brightest Nov 1, 2017 — With three conferences — BiOS, LASE and OPTO — and two exhibitions, SPIE Photonics West is the world’s largest annual event for the photonics, laser and biomedical optics industries. And it’s just around the corner —...
Photonics Spectra, Dec 2017
Terahertz Window Offers Untapped Potential Oct 3, 2017 — Sandwiched between the infrared and microwave parts of the electro-magnetic spectrum lies the terahertz window — a valuable and largely untapped portion of energy that can reveal a huge variety of unknowns, from hidden weapons and suspicious...
Photonics Spectra, Nov 2017
NIRS and Chemometrics Offer Insights Into Earth’s Surface Sep 29, 2017 — When applied to hyperspectral remote sensing images, the techniques of near-IR spectroscopy (NIRS) and multivariate chemometric calibrations, such as partial least squares regression, enable quantitative mapping of the properties of Earth’s...
Photonics Spectra, Nov 2017
Shrinking FT-NIR Spectrometers Empower Consumers, Businesses Aug 22, 2017 — Chip-scale sensor integration has brought us to the edge of new market opportunities that are poised to transform business practices and consumer lifestyles. The ability to incorporate miniaturized sensors into small devices and broad networks means...
Photonics Spectra, Oct 2017
Sensor Market Set to Soar Jul 28, 2017 — It is no secret that CMOS image sensor technology has undergone a rapid transformation. Driven by the consumer cellphone market’s insatiable demand for fast, high-quality images, there has been substantial investment in CMOS sensor technology,...
Photonics Spectra, Sep 2017
2D Spectroscopy Simplified Jul 26, 2017 — The many forms of conventional or linear spectroscopy such as vibrational, electronic and terahertz all involve measuring light absorption or an emission signal as a function of wavelength to yield information about the structure of the sample being...
Photonics Spectra, Sep 2017
Portable Spectroscopy and the Fight Against Food Fraud Jun 15, 2017 — Food fraud and adulteration is a serious and increasing problem with significant health and economic impacts. Although robust and sophisticated laboratory methods have been developed to detect fraud, the question of how that experience can be...
Photonics Spectra, Aug 2017
Member Exclusive
Spectroscopy and the Holy Grail Jun 14, 2017 — For more than 30 years, scientists have sought a reliable noninvasive method to monitor blood sugar — for good reason. Invasive testing requires taking blood samples, either through blood draws at the lab or, for known diabetics, testing at home...
BioPhotonics, Aug 2017
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