More Science and Research Articles

From Ozcan's lab at UCLA: a smartphone fluorescence microscope and a lens-free cancer-detecting microscope

12/17/2014 Aydogan Ozcan's lab at the University of California, Los Angeles (UCLA) has always been on the leading edge of microscope technology (see related links directly below). Now, Ozcan and his colleagues have created two of their ne...

Silicon emits photon pairs for quantum optics


Researchers from the University of California, San Diego have demonstrated a way to emit and control quantum light--photon pairs--generated using a chip made from silicon.

UNL researchers double efficiency of perovskite photovoltaics with fullerenes

12/15/2014 A group at the University of Nebraska--Lincoln has doubled the power-conversion efficiency of a certain type of perovskite solar cell by unraveling the origins of a phenomenon known to hinder the cell's performance, stability, ...

Solid-state proteins can boost fluorescent protein-based lasers' intensity

12/12/2014 A research team has shown that using fluorescent proteins in a solid form rather than in solution greatly increases the intensity of light produced, an accomplishment that could someday lead to biocompatible lasers that are imp...

'Bound states in the continuum' photonic cavity is more-efficient way to trap light

12/11/2014 Engineers at the University of California, San Diego have demonstrated a new and more efficient way to trap light, using a phenomenon called bound states in the continuum (BIC), in which interference in open photonic systems in...

Fluorescence microscopy shows how unfolded proteins move in the cell


Using a fluorescence microscopy method, a team of researchers was able to track how an unfolded protein diffuses in a cell.

Technology Review: Top 20 technologies for 2014 cover the range from basic R&D to new apps


Senior editor John Wallace identifies his top picks for the 20 most interesting photonics technology developments covered by Laser Focus World in 2014.

Near-infrared spectroscopy could help predict future cardiovascular events risk

12/10/2014 In a new study, Infraredx evaluated the ability of intravascular near-infrared spectroscopy (NIRS) to identify lipid core-containing plaques, which are believed to be implicated in most heart attacks, as a means to predict the ...

Sofradir hyperspectral detector en route to asteroid on board the Hayabusa-2 space mission

12/09/2014 A hyperspectral detector made by Sofradir (Palaiseau, France) is part of the Japanese Space Agency (JAXA) space mission Hayabusa-2, which was successfully launched on December 3, 2014 from Tanegashima space center by a Japanese...

Optical microscopy technique discovers that cell division induces tissue ordering


Using an optical microscopy technique, a team of researchers at the Niels Bohr Institute has investigated the dynamics of new cell formation in a layer of endothelial cells where there was no liquid flowing over.

Two banner years


A list of the best of anything is a sure-fire publishing technique to attract an audience-and, true to form, our annual December Top 20 Technology Picks is one of the most-read articles online throughout the year.

Light microscopy method looks to uncover DNA transcription process

12/08/2014 Ibrahim Cissé, assistant professor of physics at the Massachusetts Institute of Technology (MIT)'s Department of Physics, has used a light microscopy method to solve the mystery of DNA transcription, molecule by molecule, in li...

Business Forum: Technician education helps meet staffing needs of the photonics community

12/08/2014 Dr. Chrys Panayiotou, the director and principal investigator of the Laser & Fiber Optics Southeast Regional Center (LASER-TEC), talks about the well-recognized shortage of technicians in the photonics industry and progress...

Highly specific fluorescent nanoparticles could enable personalized medicine

12/05/2014 Scientists have produced highly specific fluorescent nanoparticles that, with near-infrared (NIR) fluorescent dye, can be guided to the liver or kidney and deliver their payload of active ingredients directly to the targeted ti...

Wafer-level LED chip emits 157 W of optical power, could potentially emit tens of kilowatts

12/05/2014 Chinese researchers from Suzhou Institute of Nano-tech and Nano-bionics (Suzhou), Chinese Academy of Sciences (Beijing, Xiangneng HuaLei Optoelectronic Co. (Chenzhou) and several universities in China have created a gallium nit...

Small real-time lidars could allow UAVs to conduct underwater scans

12/04/2014 A team at the Georgia Tech Research Institute (GTRI; Atlanta, GA) has designed a new approach that could lead to bathymetric lidars (which scan beneath the water's surface) that are much smaller and more efficient than the curr...

UPDATED with video: 2D streak camera operates at up to 100 billion frames per second, images propagating light pulses

12/03/2014 A team of biomedical engineers at the Optical Imaging Laboratory of Washington University in St. Louis (St. Louis, MO), led by Lihong Wang, has developed the world’s fastest receive-only 2-D camera, a streak camera that can cap...

Raman spectroscopy method could diagnose bone diseases noninvasively

12/02/2014 A team of researchers used a Raman spectroscopy method that could enable doctors to identify bone diseases without having to use invasive diagnostic methods or exposing patients to radiation associated with current x-ray techni...

Molecular diagnostic device visualizes prostate cancer quickly


A team of researchers has developed a molecular diagnostic device prototype that, based on tissue autofluorescence via activation by a laser pulse, enables visual diagnosis of prostate cancer within a minute and a half.

Quasirandom nanoimprinting templates (in other words, Blu-Ray discs) increase photovoltaic solar cell light absorption

11/26/2014 Researchers at Northwestern University (Evanston, IL) have found that using mass-produced commercial Blu-ray discs (doesn't matter whether they're new or used and unwanted) as nanoimprinting templates produces efficient broadba...

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