More Science and Research Articles

'Plasmo-electric effect' offers new way to convert light into electricity

10/30/2014 Researchers at the California Institute of Technology Caltech; Pasadena, CA) and the FOM Institute AMOLF (Amsterdam, The Netherlands) have discovered a new way to convert light to an electrical potential using an all-metal geom...

Label-free optical biosensor can detect rotavirus


Researchers at the Universidad Politécnica de Madrid (UPM) in Spain, using a label-free optical biosensor they developed, have found a way to enhance detection capacity of small concentrations of rotavirus.

Hybrid laser-ablation/gas-nozzle propulsion could propel rockets to orbit

10/29/2014 Yurii Rezunkov from the Institute of Optoelectronic Instrument Engineering (Sosnovyi Bor, Russia) and Alexander Schmidt from the Ioffe Physical Technical Institute (Saint Petersburg, Russia) have developed a scheme to integrate...

Fluorescence imaging method using SWIR light detects cancer early


Rutgers University researchers have developed a fluorescence imaging method that has potential to detect cancer and other diseases earlier than before, potentially reducing the need for biopsies.

Blue LED light enables control of insulin secretion

10/28/2014 An international team of researchers has incorporated a synthetic, blue light-sensitive molecular switch into a sulfonylurea compound—a class of drugs widely used to regulate blood glucose levels in patients with Type 2 diabetes.

Seven-core optical fiber transmits 255 Tbit/s over 1 km

10/28/2014 An international team of researchers has combined a seven-core few-mode optical fiber with compact 3D waveguide multiplexers and frequency-domain multiple-input multiple-output equalization to transmit 255 Tbit/s of data over a...

Merger forms new OSA Industry Development Associates

10/27/2014 The Optical Society (OSA) has merged the OSA Corporate Associates and the Optoelectronics Industry Development Association (OIDA) into one membership program as of January 1, 2015. This merger unites more than 250 OIDA and OSA ...

Enabling the right modes for certain lasers could increase efficiency 100 to 10,000-fold

10/27/2014 Engineers at Princeton University (Princeton, NJ) have shown that carefully restricting the delivery of pump energy to selected areas within a laser, which allows certain higher-order modes to operate instead of the usual lower...

Light microscopy technique images molecules in 3D quickly, with minimal damage to cells


A light microscopy platform developed by Eric Betzig—one of three scientists sharing the 2014 Nobel Prize in Chemistry—and colleagues can collect high-resolution images rapidly with minimal damage to cells.

For ultrafast lasers, Shasta Crystals is growing CALGO crystals


Shasta Crystals is now growing high quality CALGO (CaGdAlO4) crystals that will allow new developments in ultrafast lasers using its Laser Heated Pedestal Growth technology.


Two-photon microscopy method images oscillating mitochondria in rats


A two-photon microscopy method has enabled scientists to image mitochondria oscillating in a live animal.

Fluorescence approach can track HIV proteins' motion in real time


Researchers have developed technologies—one of which involves a fluorescence method—that allow investigators to track HIV proteins' movement on the virus surface, which may contribute to how it infects human immune cells.

High-brightness blue direct-diode laser from Shimadzu emits 50 W from 100-micron 0.2-NA fiber

10/21/2014 Researchers from Shimadzu (Kanagawa, Japan) have created a blue-emitting direct diode laser that focuses light from 30 individual 450-nm-emitting diode lasers into an optical fiber with a 100-μm-diameter core; the direct diode ...

Photoacoustic imaging pioneer is 2015 Britton Chance Biomedical Optics Award winner

10/21/2014 Photoacoustic imaging innovator Lihong Wang, whose research enables noninvasive examination of tissues inside the body at deep levels, has been awarded the 2015 Britton Chance Biomedical Optics Award for his pioneering technica...

NASA takes thermal-imaging video of SpaceX in powered descent, info to help with future Mars landings


NASA captured thermal images of a SpaceX Falcon 9 rocket on its descent after it launched in September, 2014 from Cape Canaveral Air Force Station in Florida.

Industrial lasers, photonics in oil and gas to headline 2015 Marketplace Seminar

10/17/2014 Applications and market opportunities for lasers, optics, and photonics are the themes for the 27th annual Lasers & Photonics Marketplace Seminar. It will held in conjunction with SPIE Photonics West, and take place at the ...

Ultrafast nonlinear microscopy can ID breast cancer tumors in real time

10/17/2014 Recognizing that almost half of patients undergoing breast-conserving cancer surgery have to undergo additional procedures due to cancerous tumor being left behind, a team of researchers has found that an ultrafast nonlinear mi...

Optical metamaterial controls Cerenkov radiation, helping physicists distinguish unknown high-energy particles

10/16/2014 Chalmers University of Technology (Göteborg, Sweden) researcher Philippe Tassin and his colleagues at the Free University of Brussels (Brussels, Belgium) have designed an optical metamaterial that manipulates the Cerenkov cone ...

Photodynamic therapy for deep cancer cells could get a boost with new nanoparticle

10/16/2014 An international team of researchers has combined a new type of nanoparticle with an FDA-approved photodynamic therapy (PDT) to effectively kill deep-set cancer cells in vivo with minimal damage to surrounding tissue and fewer ...

Theranostic fluorescent nanoparticles identify and destroy ovarian cancer cells


Theranostic research that describes a fluorescence technique for identifying and destroying ovarian cancer cells was selected as Editor's Choice for the September 2014 issue of Lasers in Surgery and Medicine (LSM).

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