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Spectroscopy Features
Gas Purging Keeps UV Systems Healthy
Photochemical deposition of organic films is a significant cause of performance loss in ultraviolet systems; when feasible, it can be reduced or eliminated with inert gas purging. Ultraviolet photons are highly energetic – enough to break bonds and reorganize molecules. They can efficiently reduce silver salts in photographic emulsions and damage DNA by dimerizing thymine bases. UV spectroscopy yields insight into high-energy processes in planetary atmospheres, stars and fusion
Photonics Spectra, October 2014
Slow Light: Moving Out of the Lab
When put into practical use, slow-light-enhanced technologies will improve the performance of photonic networks and optical sensors. Photonic crystals will play a key role in the transition, as they hold promise for integration into nanophotonic...
Photonics Spectra, July 2014
Moving Raman Spectroscopy into the Clinic
Raman spectroscopy’s molecular sensitivity makes it promising for clinical applications: It can identify pathogens much faster than current methods, investigate circulating tumor cells, help surgeons distinguish tumors from healthy tissue and...
Photonics.com, June 2014
Optodigital Microscopy Enhances Efficiency of Material Testing
Automated microscopes can help speed up the industrial quality-control process, saving time and money. Time is money when it comes to industrial work flows, and efficiency is a key priority. This is especially true with regard to one of the SGS...
Photonics.com, June 2014
Mid-IR Semiconductor Lasers Enable Sensors for Trace-Gas-Sensing Applications
Commercial and research QCL sources can target strong fundamental rotational-vibrational gas absorption lines in the mid-IR spectral range and pure rotational lines in the terahertz range that are one to two orders of magnitude stronger than...
Photonics Spectra, June 2014
Scanning Vision Continues to Improve Manufacturing Standards
The future of scanning vision systems is to make the underlying technology more accessible, robust and foolproof. From semiconductor manufacturing to the display industry, scanning vision technology is widely found along production lines. In fact,...
Photonics Spectra, June 2014
Lasers Produce Bio-Inspired Surface Functions
Lasers can interact with matter in a variety of ways. Depending on the wavelength, the energy of the laser beam and a whole set of other parameters, such as pulse duration or repetition rate, laser photons have countless ways of mingling with the...
Photonics.com, April 2014
Market Growing for Laser-Based Machine Vision Technologies
A panel of industry experts weighs in on recent and future advances in laser technologies for machine vision, and offers a look at the market. Laser-based machine vision can be a valuable tool for manufacturers looking to improve various areas of...
Photonics Spectra, April 2014
InGaAs SWIR Cameras Open New Opportunities
Shortwave infrared imaging is finding new applications by improving spectroscopy, inspection and more. A whole new waveband of the electromagnetic spectrum has been opened up for exploitation in the past few years – the shortwave infrared...
Photonics Spectra, March 2014
Interferometry Offers Accurate Wavelength Measurements
New solutions for fast and accurate wavelength measurements use interferometer technology, which offers a number of benefits compared with classic spectrum analysis. As soon as highly accurate wavelength measurements are required, calibration and...
Photonics.com, December 2013
NIR Helps Lower Costs, Optimize Processes
Near-infrared spectroscopy moves out of the lab and into manufacturing. Economic volatility continues to put pressure on manufacturers, increasing the focus on cost reduction and process optimization across applications. To make improvements in...
Photonics Spectra, December 2013
Time-Resolved SRS Spectroscopy Facilitates Combustion Research
A new spontaneous Raman scattering spectroscopy technique uses an intensified EMCCD sensor to perform time-resolved combustion diagnostics. To perform successful time-resolved spontaneous Raman scattering spectroscopy in combustion, one critical...
Photonics Spectra, December 2013
Silica-Based Fiber Boosts Broad-Spectrum Spectroscopy
Fibers with a broad optical spectrum are useful in spectroscopic applications because they enable the collection and analysis of more information over a greater wavelength range. A variety of spectroscopic applications require light transmission...
Photonics Spectra, November 2013
Raman Overcomes Challenges for Industry
Raman spectroscopy is becoming increasingly prevalent in commercial applications. Challenges include making remote measurements of chemical species in high-pressure or high-temperature environments while customers demand compact instrumentation with...
Photonics Spectra, September 2013
Hybrid Fabrication Makes Better Plasmonic Nanostructures for SERS
Monolithic hierarchical plasmonic nanostructures improve results from surface-enhanced Raman spectroscopy. Plasmonic nanostructures of gold and silver have emerged as attractive nanomaterials because of their small size, corrosion resistance,...
Photonics Spectra, August 2013
Mergers, Acquisitions and More
In past years, we’ve reported from trade shows and conferences that the mood was one of “cautious optimism” that progressed to, as someone said, “restrained exuberance.” Today, the optimism and exuberance are catching...
Photonics Spectra, August 2013
What advice would you give to recent graduates in your field?
What advice would you give to recent graduates in your field? My advice to my students is to keep themselves informed and up to date, network with people in the field, and keep in touch! – @slerner – Shimon Lerner, physics lecturer at...
Photonics Spectra, August 2013
Fiber Optics Growing Strong for Biomedicine
A Q&A with fiber companies reveals continuing advances in medical applications. Fiber optics allow medical devices to direct light to hard-to-reach areas for diagnostics and treatment – that’s hardly news. The first glass rod device...
Photonics Spectra, July 2013
Advances in Standoff Detection Make the World Safer
An abundance of new research and development in optical detection at a distance is increasing the ability of governments and military organizations to more efficiently identify and categorize explosives, biological agents and other threats....
Photonics Spectra, April 2013
Coupled Waveguide Technology Enables Multiple Imaging Advances
This approach enables not only wide-range tunable filters, but also an image demultiplexer that forms the core of a multispectral imaging system that captures high-resolution images in real time over a broad wavelength range. Waveguide technology is...
Photonics Spectra, April 2013
Hybrid LEDs Pave Way to New Lighting Applications
Low-cost Lumogen dyes can give white LEDs high quantum yield, reduced environmental impact and more. Many analysts agree that the global lighting market is close to a real revolution: the LED revolution. In fact, the global lighting market is...
Photonics Spectra, April 2013
Photonics Strengthens Defense – and Offense
Light-based technologies offer the military significant advantages in sensing, communications and even weaponry. The US Army has touted its ownership of the night – and the implied advantage therein. But times have changed. “Nowadays,...
Photonics Spectra, January 2013
Prism Awards Finalists Offer Solutions to Big Problems
Sensors for monitoring environmental toxins and detecting explosives, powerful new lasers for biophotonics, and tools for lithography and spectroscopy are among the finalists for the 2013 Prism Awards for Photonics Innovation, the global competition...
Photonics Spectra, January 2013
Smartphones Move from Social Media to Social Medicine
Cellphones have evolved from a luxury to a necessity in the past 20 years, and now smartphones are making those same inroads (as of September 2012, 45 percent of American adults owned a smartphone, according to research by the Pew Internet Project)....
Photonics Spectra, January 2013
Plastic Optics Provide Precision
Polymer optics are taking everyday applications by storm, thanks to advances that make plastic more and more competitive with glass. Polymer optics have long been known for being inexpensive and low in optical quality. The ease of high-volume,...
Photonics Spectra, December 2012
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