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Optical spectroscopy improves predictive assessment of kidney function

Researchers developed a technique using multimodal autofluorescence and light scattering to evaluate kidney function after ischemic injury. The study suggests that variations in tissue microstructure, fluorophore emission, and blood absorption spectral characteristics contribute to the behavior of recorded signals.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateMay 4, 2017

Physicists breeding Schroedinger cat states

Researchers at CIFAR have successfully bred Schrödinger cat states in optics, amplifying classical states of light beyond microscopic limits. This breakthrough could lead to applications in quantum communication, teleportation, and cryptography.

SourceCIFAR·JournalNature Photonics·DateMay 1, 2017

Nanoimprinted hyperlens array: Paving the way for practical super-resolution imaging

Researchers at Pohang University of Science & Technology have developed a scalable fabrication process for large-scale hyperlens devices using nanoimprint lithography. This breakthrough enables the creation of sub-diffraction features down to 160 nm, paving the way for practical super-resolution imaging in various fields.

'Virtual' interferometers may overcome scale issues for optical quantum computers

A team of researchers has devised a new way to implement large-scale interferometers that can dramatically miniaturize optical processing circuitry. By leveraging recent breakthroughs in quantum information, the 'measurement-based linear optics' technique harnesses existing compact methods for generating large-scale cluster states.

New 'needle-pulse' beam pattern packs a punch

Researchers at the University of Rochester have developed a new beam pattern, dubbed the 'needle-pulse' beam, which can create incredibly thin and intense beams that expand outward again after a mere nanosecond. This innovation has the potential to revolutionize fields such as ultrasound, radar, and microscopy.

SourceUniversity of Rochester·JournalOptics Express·DateJan 27, 2017

Next-generation optics offer the widest real-time views of vast regions of the sun

A new optical device has provided the most precisely detailed, real-time pictures to date of solar activity occurring across vast stretches of the star's surface. The system corrects images distorted by atmospheric turbulence, allowing researchers to analyze magnetic events and forces that propel the star's magnetic fields.

SourceNew Jersey Institute of Technology·JournalAstronomy and Astrophysics·DateJan 10, 2017

New records set up with 'Screws of Light'

Researchers at the University of Vienna have made significant breakthroughs in transmitting twisted light over long distances, exceeding 100 kilometers. They also demonstrated record-breaking quantum entanglement with 5-digit quantum numbers using a novel technique developed in Australia.

SourceUniversity of Vienna·JournalProceedings of the National Academy of Sciences·DateNov 16, 2016

Noninvasive imaging technique protects healthy tissues during freezing of cancer lesions

A new technique for real-time temperature monitoring during cryotherapy procedures has been reported, using red blood cells as temperature sensors to convert optoacoustic images to temperature maps. This approach potentially prevents noncancerous tissue from being destroyed or damaged during cryotherapy.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateNov 9, 2016

Researchers bring eyewear-free 3-D capabilities to small screen

Researchers at Seoul National University have developed a new method to make convertible displays that achieve near-viewing capabilities without the need for eyewear. This technology simplifies and shrinks the architecture of the display, allowing for closer viewing distances and practical applicability to mobile devices.

SourceOptica·JournalOptics Express·DateOct 31, 2016

Weakness is good...when controlling light

Researchers at the University at Buffalo have developed a new method for controlling light using one-third of the energy typically required. The asymmetric metawaveguide technology has the potential to lead to more powerful and energy-efficient computer chips and other optics-based technologies.

SourceUniversity at Buffalo·JournalPhysical Review Letters·DateOct 31, 2016

New imaging method could enable dentists to detect and heal tooth cavities much earlier

A new imaging device uses long-wavelength infrared imaging to detect small thermal radiation emitted from dental caries, allowing for earlier diagnosis and potential reversal. The tool has the benefits of being noncontact, noninvasive, and low-cost, with great potential as a commercially viable diagnostic imaging device.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateOct 5, 2016

X-ray optics on a chip

Researchers have successfully fabricated a millimeter-sized chip capable of splitting a beam of X-rays. The chip features fork-shaped channels that efficiently transport and split the beam, producing interference patterns similar to those in classical Young's double-slit experiments.

SourceInternational Union of Crystallography·JournalActa Crystallographica Section A·DateAug 18, 2016

Vortex laser offers hope for Moore's Law

A new light-based communication tool can carry data in a swift, circular motion, potentially solving an approaching data bottleneck. The optics advancement could become a central component of next generation computers designed to handle society's growing demand for information sharing.

SourceUniversity at Buffalo·JournalScience·DateJul 28, 2016