Porphyrin compounds are provided. The compounds may further comprise a fused polycyclic aromatic hydrocarbon or a fused heterocyclic aromatic. Fused polycyclic aromatic hydrocarbon s and fused heterocyclic aromatics may extend and broaden absorption, and modify the solubility, crystallinity, and film-forming properties of the porphyrin compounds. Additionally, devices comprising porphyrin compounds are also provided. The porphyrin compounds may be used in a donor/acceptor configuration with compounds, such as C60.

A semiconductor laser produces infrared radiation suitable for jamming a heat seeking missile, wherein a wavelength of the radiation is in a range of 2-5 microns, and the laser has a semiconductor lasing medium of Pb1-xSexPb1-xSnxSe or Ga0.84In0.16As0.14Sb0.86. These materials can be doped to provide a p/n junction, wherein the laser is excitable by electric current passing through the p/n junction. The third one of these materials can be constructed also as a uniform undoped slab which is excitable optically. Cooling of the lasing medium is accomplished by use of a lithium heat sink thermally coupled to the lasing medium by a diamond thermal diffuser which conducts heat from the relatively small region of the laser to spread out the thermal energy along a relatively large surface of the heat sink. Modulation circuitry is connected to the excitation apparatus to provide a pulse train of the radiation.

A protective grill is provided for a portable infrared heater which reduces the possibility of a person from coming into contact with the radiation disk of the heater. The protective grill of this invention may be selectively detachably secured to the wheeled frame of a heater wherein the radiation disk thereof is positioned at one side of the wheeled frame or which may be selectively secured to the wheeled frame of the heater wherein the radiation disk of the heater is positioned at one end of the heater.

An electronic device may have a display with a cover layer. A light-based component such as an infrared-light proximity sensor or other infrared-light-based component may be aligned with a window in the display cover layer. The window may block visible light and transmit infrared light. A coating in the window may include a thin-film filter formed from a stack of inorganic dielectric layers. The thin-film filter may block visible light and transmit infrared light. The coating may also include at least one layer of material such as a semiconductor material that absorbs visible light and that passes infrared light. This material may be interposed between the thin-film filter and the display cover layer. Antireflection properties and color adjustment properties may be provided using thin-film layers between the thin-film filter and the display cover layer.

It took hundreds of exposures and a complex method of removing occlusions, but this "lucky" shot is the result: a depiction of the hot regions lurking under Jupiter's uppermost clouds.

The picture was captured in infared by the Gemini North Telescope in Hawaii, and is one of the sharpest observations of the planet ever made from the ground. To achieve the resolution, scientists used a technique called "lucky imaging" which scrubs out the blurring effect of looking through Earth's turbulent atmosphere. This method involves acquiring multiple exposures of the target and only keeping those segments of an image where that turbulence is at a minimum.

Gaining intravenous access in children can be difficult. Recently, several near-infrared devices have been introduced attempting to support intravenous cannulation by visualizing veins underneath skin. Only one of those devices has been evaluated systemically thus far and results are inconclusive.

Although it was possible to visualize veins with near-infrared in most patients, the VascuLuminator did not improve the success of cannulation. An explanation is that the main problem is probably not localization of the vein but insertion of the cannula. (Read the full article)

When the sun sets on a remote desert outpost and solar panels shut down, what energy source will provide power through the night? A battery, perhaps, or an old diesel generator? Perhaps something strange and new.

Black paint usually absorbs heat, but a new two-layer polymer paint reflects infrared light and keeps objects 16°C cooler, which could help make buildings more energy efficient

The IR Biotyper is a new automated typing system based on Fourier-transform infrared (FT-IR) spectroscopy that gives results within 4 h. We aimed (i) to use the IR Biotyper to retrospectively analyze an outbreak of extended-spectrum beta-lactamase-producing Klebsiella pneumoniae (ESBL-KP) in a neonatal intensive care unit and to compare results to BOX-PCR and whole-genome sequencing (WGS) results as the gold standard and (ii) to assess how the cutoff values used to define clusters affect the discriminatory power of the IR Biotyper. The sample consisted of 18 isolates from 14 patients. Specimens were analyzed in the IR Biotyper using the default analysis settings, and spectra were analyzed using OPUS 7.5 software. The software contains a feature that automatically proposes a cutoff value to define clusters; the cutoff value defines up to which distance the spectra are considered to be in the same cluster. Based on FT-IR, the outbreak represented 1 dominant clone, 1 secondary clone, and several unrelated clones. FT-IR results, using the cutoff value generated by the accompanying software after 4 replicates, were concordant with WGS for all but 1 isolate. BOX-PCR was underdiscriminatory compared to the other two methods. Using the cutoff value generated after 12 replicates, the results of FT-IR and WGS were completely concordant. The IR Biotyper can achieve the same typeability and discriminatory power as genome-based methods. However, to attain this high performance requires either previous, strain-dependent knowledge about the optimal technical parameters to be used or validation by a second method.

Black paint usually absorbs heat, but a new two-layer polymer paint reflects infrared light and keeps objects 16°C cooler, which could help make buildings more energy efficient

Only the best images are used to create a mosaic of the entire planet, resulting in a super-crisp, high-definition view.

Black paint usually absorbs heat, but a new two-layer polymer paint reflects infrared light and keeps objects 16°C cooler, which could help make buildings more energy efficient

The Australian MiHIGH product allows customers to enjoy the benefits of an infrared sauna in the comfort of their own home and bed.

Satellite images taken on Saturday showed wildfires burning around East Gippsland and Kosciuszko National Park.

New images of Jupiter reveal that its Great Red Spot has holes.The infrared portrait of the planet also shows that lightning bolts form alongside 40-mile-high towers of turbulent clouds.Astronomers used NASA's Hubble Space Telescope, the Juno spacecraft that orbits Jupiter, and the Gemini Observatory on Earth to gather some of the sharpest-ever infrared images of the planet.Visit Business Insider's homepage for more stories.New snapshots of Jupiter reveal its turbulent weather in infrared — the spectrum of light just beyond visible wavelengths.To get these unprecedentedly sharp images, a team of researchers from NASA and the University of California, Berkeley combined data from the Hubble Space Telescope, the Juno probe that orbits Jupiter, and the Gemini Observatory on Earth. The team released

The Australian MiHIGH product allows customers to enjoy the benefits of an infrared sauna in the comfort of their own home and bed.

Scientists have exposed very thin slices of ancient Egyptian mummy bones to light at different wavelengths in an attempt to discover how the people of the time would live, eat and spend their daily lives.

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Larkin, Peter (Peter J.), author

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