Slot waveguide is a specific light-guiding structure with a property to enhance the optical field in a nanometer scale void of low refractive index (RI) material embedded between higher RI material rails. Typically, slot waveguides have been fabricated from high refractive index inorganic dielectrics or semiconductors, such as silicon or silicon nitride, and they operate in the near infrared (NIR) wavelength region.
When light shines through air onto water, some of the light usually will be reflected back into the air. But at one specific angle, called the Brewster angle, all of the p-polarized light travels into the water with no reflection. MIT graduate student Yichen Shen found a way to manipulate that Brewster angle in a specially designed photonic crystal mirror, achieving control over the light by controlling its angle of travel into a material.
This year's Julius Springer Prize for Applied Physics will be awarded to Dr. Harry A. Atwater (Caltech Pasadena, USA) and Dr. Albert Polman (FOM Institute AMOLF, Amsterdam, The Netherlands) for their pioneering achievements in plasmonics and novel nanophotonic routes to ultrahigh-efficiency solar energy conversion.
A pro at navigating the labyrinthine hallways in the Chemistry Building, Scott Showalter, researcher and associate professor of chemistry in Penn State's Eberly College of Science, maneuvers from his office, class and a handful of laboratories throughout the day. But it’s one workspace in particular, home to the ScholarSphere, a drum-shaped hunk of machinery — essentially a gigantic MRI on stilts — where Showalter is moving closer to the biomedical breakthrough he so desires.
A team of engineers at the Harvard School of Engineering and Applied Sciences (SEAS), Schlumberger-Doll Research Center in Cambridge, Mass., and the University of Texas, Austin, have created a truly portable device for nuclear magnetic resonance (NMR) spectroscopy.
At the White House yesterday, President Barack Obama welcomed the four American laureates of the 2014 Kavli Prizes – prizes awarded to scientists who have made seminal advances in the fields of astrophysics, nanoscience, and neuroscience.
Veeco Instruments Inc. announced today that Xiamen Changelight Co., Ltd. (Changelight) has selected the Company as its primary equipment provider as it enters the market to produce gallium nitride (GaN) based blue/green high brightness light emitting diodes (LEDs) for display and general lighting applications.
Ultrafast real-time optical imaging is an effective and important tool for studying dynamical events, such as shock waves, neural activity, laser surgery and chemical dynamics in living cells. Limited by the frame rate, conventional imaging system such as charge-coupled device (CCD) and complementary metal oxide semiconductor (CMOS) imaging device can not image fast dynamic processes.
A new method of building materials using light, developed by researchers at the University of Cambridge, could one day enable technologies that are often considered the realm of science fiction, such as invisibility cloaks and cloaking devices.
A new study by researchers from the University of Leicester has furthered our understanding of how tiny nanosystems function, unlocking the potential to create new materials using nanosized 'building blocks'.
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