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infrared cameras Features
Automotive Lighting Turns a Corner
Studies cited by the Independent Institute for Highway Safety (IIHS) show that using automatic switching on old-fashioned high beams whenever possible reduces nighttime automotive crashes with animals, pedestrians, and unlit bicycles or cars by 26%. With the advent of inexpensive and rugged visible-range LEDs and other photonic technologies, automobile lighting is rapidly improving both inside and outside the vehicle.
Photonics Spectra, November 2023
Worsening Wildfires Spark Photonics Demand and Innovations
In October 2016, a downed powerline sparked a wildfire that raged for two weeks and destroyed more than 18,000 acres in the Pike and San Isabel National Forests west of Pueblo, Colo. The so-called Junkins fire ended up destroying nine homes and 17...
Photonics Spectra, April 2021
Member Exclusive
Lasers and LEDs Layer on New Capabilities for Additive Manufacturing
Additive manufacturing, aka 3D printing, offers an alternative to conventional manufacturing and assembly methods by building products layer by layer. In addition to enabling heretofore impossible part geometries, the technology also hints at a...
Photonics Spectra, February 2021
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Optical Frequency Combs Enhance Hyperspectral Imaging
An optical frequency comb is an optical source characterized by a spectrum consisting of evenly spaced frequency lines, known as teeth. This Nobel Prize-winning technology has become a reference tool for optical frequency metrology and spectroscopy...
Photonics Spectra, October 2020
Improving Additive Manufacturing with IR Cameras
3D printing is revolutionizing manufacturing. Also known as additive manufacturing (AM), 3D printing is unlike traditional machining techniques because it uses computerized or digital models to generate simple parts and complex components, and adds...
Photonics Spectra, October 2018
Chalcogenide Glass Molding Advances Precision IR Optics
Today, infrared optics are mainly used in relatively high-priced technical devices. Thermal imaging cameras, for instance, help builders and surveyors identify leaks and thermal bridges in buildings, while night vision systems are used by police and...
Photonics Spectra, July 2017
Defense Drones Take Sensing to New Heights
They’re lurking in the air in the trouble spots around the world, from the mountains of Afghanistan to the deserts of Iraq and Syria, to the disputed waters of the South China Sea. Unmanned aerial vehicles (UAVs), or drones, are acting as the...
Photonics Spectra, April 2017
High-Speed IR Detectors Aid Ballistic Testing
For many years, high-speed visible cameras offered the ability to stop motion on fast-moving objects and provided unique insight through slow-motion playback for high-speed applications such as ballistics, munitions and tracking applications....
Photonics Spectra, April 2017
DCS 2017 Brings Defense, Environment Into Focus
Changes in the nature of warfare in today’s high-tech world demand the most advanced tools for soldiers and others in the defense and security sectors. Environmental and health care segments are evolving, too, as an onset of innovative...
Photonics Spectra, April 2017
IR Sensor Calibration: When Extreme Uniformity Is Not Boring
Extended area blackbodies are now commonly used as reference sources for IR cameras, simultaneously calibrated. The uniformity of the reference blackbody is therefore essential. A newly developed specific bench measures IR source uniformity with a...
Photonics.com, June 2016
DCS 2016 Evolves, Expands Defense and Sensing Markets
The advancement of sensing and imaging technologies is evolving the defense and security sectors worldwide, with a wide variety of applications in such areas as machine vision, process control and counter-terrorism (among others). SPIE’s 2016...
Photonics Spectra, April 2016
Optics, Fabrication: Changes, Challenges and Progress
Optics and optics fabrication have seen a lot of interesting changes and challenges over the past 25 years. Aspheres are among them. Once a seemingly impossible task, manufacturing them has since become cost-effective. Precision aspheres are even...
Photonics Spectra, October 2015
Photonics Meets Cultural Heritage
Conservation, reconstruction and authentication of artworks are all domains in which photonics plays a significant role. This article describes some of the most established applications of photonics in cultural heritage. We can say without doubt...
Photonics.com, September 2015
Multispectral Imaging Extends Vision Technology Capability
Multispectral imaging takes the detection capability of machine vision beyond just color inspection. With wafer-level coating of multispectral filters, advanced multispectral cameras now can be designed in a compact form factor. The result: many new...
Photonics Spectra, February 2015
MWIR for Remote Sniffing and Locating of Gases
A mid-wave infrared camera visualizes methane gas cloud leaking from a drilling platform. Methane is a greenhouse gas that is significantly more damaging than carbon dioxide. When it leaks uncontrolled from industrial plants, it can easily escape...
Photonics Spectra, November 2014
Micro Thermal Camera Opens Applications to Consumers
Personal thermal imaging just got affordable – but the technology can be used in various industries, too. Thermal imaging is hardly new, but most of us don’t carry thermal imagers in our pockets. Not yet. But it could happen soon, thanks...
Photonics Spectra, October 2014
SWIR Applications and Challenges: A Primer
Infrared imaging opens endless possibilities for industrial, scientific and security image-processing applications. But short-wave infrared cameras must overcome the limitations of InGaAs sensor technology to provide high-quality images....
Photonics.com, September 2014
Dual-Band Monitoring Keeps Trains Running in Winter
Keeping critical parts of the railroad infrastructure free of snow, sleet, hail and ice – and even detecting unauthorized persons walking the rails – is essential for a safe and uninterrupted transportation service. Dual-band monitoring...
Photonics Spectra, September 2014
The Better to See You With
Advances in manufacturing and materials will help the military spot targets faster – and from farther away. For the military, the name of the game is to see first and farthest, which makes optics vital. The length of an optical path can set...
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
Covert IR Optical Taggants Enhance Identification
Covert IR taggants represent a strong photonic tool in identifying key personnel and materials in both military and civilian applications. Covert infrared taggants are embedded markers that can emit coded optical signals outside of the visual...
Photonics Spectra, February 2014
Dual- and Triple-Band AR Coatings Enhance IR Systems
Advanced dual-band coatings improve camera performance in the 3- to 5-µm and 8- to 12-µm spectral regions. Dual-band infrared camera systems allow the 3- to 5-µm and 8- to 12-µm spectral regions to be viewed and compared....
Photonics Spectra, November 2013
Surveillance System Enables 24-Hour Target Acquisition
A new multidetector system uses multiple-wavelength sensors and lasers for rangefinding, target spotting and target illumination. Multisensor detectors can be of great use to surveillance systems, whether they use intensified CCD, CMOS,...
Photonics Spectra, December 2012
DLC Coatings Enhance IR Cameras
Applying new diamondlike carbon multiple-layer coatings to front-surface forward-looking infrared lens assemblies drastically reduces the Narcissus effect without compromising durability. In Greek mythology, the hunter Narcissus was renowned...
Photonics Spectra, September 2012
IR Imaging Optics Meet Varied Needs
Infrared camera technology spans a wide range of the electromagnetic spectrum, with results that vary with the waveband. Although there is some overlap of applications between the different infrared subbands and associated sensor technologies, it is...
Photonics Spectra, August 2012
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