More Science and Research Articles

Scottish scientists reduce speed of light in free space


Although the speed of light can be slowed slightly as it travels through materials such as water or glass, it was until now thought impossible for photons to be slowed as they travel through free space.

Polygon line scanner from Lincoln Laser for use with picosecond and femtosecond lasers


The hyperSCAN polygon line scanner is used in material processing at scanning speeds of up to 200 m/s.

Spectroscopy software module from Horiba Scientific is add-on for Raman microscopes


The MultiWell module for the LabSpec 6 Spectroscopy Suite is an add-on for the company’s Raman microscopes equipped with standard x-y stages.

Optofluidic sensor irradiated with light measures blood sugar noninvasively


An optofluidic sensor that, when irradiated with light, can measure glucose (blood sugar) level through the skin without drawing blood.

Coherent combination of multiple CW semiconductor lasers produces trains of arbitrarily shaped optical pulses

01/21/2015 By combining light generated at different wavelengths from different continuous-wave (CW) laser diodes, researchers at the University of Southampton (Southampton, England) can create trains of arbitrarily shaped optical pulses.

Handheld laser method could improve cancer surgery

01/21/2015 To help surgeons better detect malignant tissue during cancer surgery and hopefully reduce the rate of cancer recurrence, a team of scientists has developed a new imaging system that causes tumors to "light up" when a...

Flat-field spectrometer from H+P Spectroscopy for XUV/EUV/soft x-ray


A flat-field spectrometer for the XUV/EUV/soft x-ray spectral range offers direct source imaging in a compact, modular device.

High-speed 3D microscopy approach images live, freely moving samples

01/20/2015 Elizabeth Hillman, associate professor of biomedical engineering at Columbia Engineering and of radiology at Columbia University Medical Center (CUMC), has developed a new microscope that can image living things in 3D at very h...

Tissue sampling method could enable low-cost super-resolution microscopy

01/19/2015 Recognizing the high expense of super-resolution microscopy for cell study, a team of researchers has discovered a method that enlarges tissue samples by embedding them in a polymer that swells when water is added. This allows ...

Nanoparticle-filled magnetic garnet film generates photoelectricity in a new way, via spintronics


As noted in Tech-On!, Tohoku University (Tohoku, Japan) and Japan Atomic Energy Agency (JAEA; Saitama, Japan) have discovered that a spin current can be generated by applying light to an insulating material.

Lasers for Biophotonics: Lasers meet changing demands of biomedical applications

01/16/2015 Fluorescence detection techniques for applications such as cytometry, microscopy, and sequencing continue to advance with support from evolving laser sources such as optically pumped semiconductor lasers, which provide a range ...

Quantum dot, activated by light, reveals how protein corona forms

01/16/2015 Using a cadmium selenide (CnSe) quantum dot (quantum dots are used in in vivo imaging of tumor cells, detection of biomolecules, and measurement of pH changes, among other bioimaging applications), researchers at Syracuse Unive...

MIT algorithm unscrambles fractured images


Researchers at the Massachusetts Institute of Technology have unveiled an algorithm that reconstructs an image comprised of tiny fractured pieces of its original form.

Surrounded by light


The UN designation of 2015 as the International Year of Light and Light-based Technologies provides an excellent framework for highlighting the role and value of light in the world at large.

Bioptigen receives $458,000 to advance intraoperative OCT system development

01/14/2015 Bioptigen has been awarded a Strategic Growth Loan from the North Carolina Biotechnology Center (NCBiotech) totaling $458,000 to support development of the company's intraoperative optical coherence tomography (OCT) imaging sys...

Tiny laser-switched magnetic structures could produce better hard drives


Paul Scherrer Institute researchers have succeeded in switching tiny, magnetic structures using laser light that could enable faster, more compact, and more efficient data storage.

Photonic-crystal nanolaser biosensor uses detection of surface charge to simplify DNA detection


A photonic-crystal nanolaser biosensor developed by a group at Yokohama National University (Yokohama, Japan) detects the adsorption of biomolecules based on the laser's wavelength shift.

3.2 gigapixel camera for Large Synoptic Survey Telescope gets critical approval from DOE

01/12/2015 At the Department of Energy's SLAC National Accelerator Laboratory (Menlo Park, CA), plans for the 3200-megapixel centerpiece of the camera for the Large Synoptic Survey Telescope (LSST) have reached a major milestone: the plan...

Spectroscopy method helps decode protein used in optogenetics


Researchers at Ruhr University Bochum (RUB) and colleagues in Germany used a spectroscopy technique to help shed light upon the mode of action of the channelrhodopsin-2 protein with high spatiotemporal resolution.

Business Forum: Collaboration and excellence are the keys to educating photonics professionals


I interviewed Professor Xi-Cheng Zhang, director of the Institute of Optics at the University of Rochester because it is a leading optical center that has made a major impact on the optics and photonics community.

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