Several optical components, such as multi-wavelength lasers and sensitive focal plane arrays, need to be combined to achieve a successful preemptive directional IR countermeasures system. New threat detection systems are required to detect the next-generation of antiaircraft missiles. Read more

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The first on-chip metamaterial with a refractive index of 0 gives light an infinite phase velocity, which could be advantageous for manipulating light in photonic integrated circuits. The metamaterial consists of silicon pillar arrays embedded in a polymer matrix and clad in gold film and was developed at Harvard University’s John A. Paulson School of [..]

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Tuberculosis (TB) is widespread among immunocompromised HIV-positive patients in developing nations that have scarce medical resources. Tackling the disease, while at the same time avoiding complications of antiretroviral (HIV) treatment, requires rapid-result tests for detecting infection. Read more

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Researchers are working to understand the four-stranded DNA structures thought to play a role in regulating how genes are switched on and off. To accomplish this, they have created a fluorescent molecule that, when examined using confocal microscopy, can reveal the presence of these structures in living cells. Read more

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Upconverting nanoparticles are coupled with gold nanorods to achieve increased emission brightness, enhanced diagnostic strength, and improved determination of local temperature. Upconverting nanoparticles (UCNPs) are excited at near-IR wavelengths and emit fluorescent radiation in the visible spectrum. Read more here

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Scientists are developing an endoscope with a miniature stereo camera designed to produce 3D images from inside the brain to assist in brain surgery. The camera is a mere 4 mm in diameter and 15 mm long. The endoscope, the multi-angle rear-viewing endoscopic tool (MARVEL), includes a bendable neck that can sweep left or right, [..]

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New software could speed up breast cancer diagnosis with 90% accuracy without the need for a specialist, according to research published in the open access journal Breast Cancer Research. This could improve breast cancer management, particularly in developing countries where pathologists are not routinely available. Read more

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Electronic displays for integration with clothing and textiles are a rapidly developing field in the realm of wearable electronics. However, flexible LEDs designed to form part of an elastic or deformable coating for clothing or apparel – even displays specifically designed to be directly bio-compatible – still rely on a hard substrate on which to [..]

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Tech companies are developing virtual reality to make money in the gaming and entertainment market, but a group of intellectuals believes that this new tech will one day be useful to treat mental disorders. Because the VR technology aims to make visual content more engaging and immersive, the researchers at King’s College figured that this [..]

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Thanks largely to performance gains and commercial availability, sources based on light-emitting diodes (LEDs) are displacing traditional gas-discharge lamps in fluorescence microscopy systems. Advantages of LED “light engines” include long lifetime, stable output, electronic fine tuning of output intensity, and rapid electronic switching between wavelengths. Read more here

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Optical simulation software based on downhill simplex optimization allows engineers to efficiently find optimal designs for products with integrated LEDs or light pipes. Read more here

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Lasers have a wide range of uses, including as precision heat sources for welding, cutting, marking, forming, peening, hardening, and more recently, 3D printing. Precise energy deposition also makes lasers useful tools for research in high-energy-density science, particularly at very short pulse lengths and high peak intensities. In all of the materials-processing applications, the properties [..]

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Polymer Optics Night Vision Systems

Army researchers have combined improved night-vision equipment and wireless technology to give soldiers the Wild West gunslinger-like ability of shooting from the hip accurately. Even more, it could also allow them to shoot around corners without exposing themselves. Read more here

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The Deloitte Center for Financial Services released a report that indicates eroding consumer confidence in the security of mobile financial service applications has forced the industry to take a closer look at incorporating technologies such as biometrics to help alleviate fears and insecurities. The report points about the need for the financial services and banking [..]

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Today’s consumers aren’t satisfied with products that are static and stationary. Cellphones and tablets have changed the way people think and interact with technology. Composed of a pair of glasses and a frame to hold a cellphone, Wearality is a portable, immersive VR system that provides the deepest immersive VR experience available to consumers. Read [..]

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For tactical long-range imaging and reconnaissance systems, atmospheric turbulence constantly causes image distortion and degradation. A hybrid system that incorporates advanced adaptive optics and algorithm acceleration techniques can compensate wavefront aberrations caused by turbulence and improve image quality. Read more here

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Researchers have developed a microfluidic device that quickly builds packages of DNA and delivers them into bacteria or yeast for further testing. Building microbes that could act as factories for making fuels or pharmaceuticals requires incorporating novel DNA sequences into the cells. Read more here

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