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Nanorods News
Laser-Powered Nanomotors Follow Their Path
TOKYO, Nov. 4, 2020 — Researchers from the Institute of Industrial Science at the University of Tokyo have designed linear nanomotors that can be made to move in controlled directions by laser light. The technology has applications in microfluidics, including lab-on-a-chip systems with optically actuated pumps and valves, and the researchers envision using the technology to develop a new platform for nano-size machinery with moving parts that follow predetermined paths while being propelled by unfocused light. The
Controlling Ultrastrong Light-Matter Coupling at Room Temperature
GOTHENBURG, Sweden, Sept. 25, 2020 — The interaction between light and electrons in a system composed of two gold mirrors separated by a small distance and plasmonic gold nanorods produced ultrastrong coupling between light and matter at room temperature. The work stems from an...
Saturable Plasmonic Metasurfaces for Laser Mode Locking
DIJON, France, May 27, 2020 — Researchers from France, China, and Brazil have developed plasmonic metasurfaces that provide an efficient saturable absorption that can be tuned with the polarization of light. Researchers from the Laboratoire Interdisciplinaire Carnot de...
Laser-Based Imaging Leads to Better Lung Disease Treatment
CHAPEL HILL, N.C., Oct. 9, 2014 — How sticky is snot? The rest of the world might not ask that question every day, but a group at the University of North Carolina does. They now have an answer, thanks to a laser-based imaging method, and it could enable doctors to monitor and better...
Color Display Technology Furthers ‘Squid Skin’ Project
HOUSTON, Sept. 16, 2014 — A new color display brings scientists one step closer to metamaterials that mimic the unique optical properties of squid, octopus and cuttlefish skin. Developed at Rice University’s Laboratory for Nanophotonics (LANP), the new full-color...
Magnetic Fields Control Liquid Crystals’ Optical Properties
RIVERSIDE, Calif., June 27, 2014 — A new technique that forms and controls magnetically responsive liquid crystals could be applied to signs, writing tablets and billboards. Conventional liquid crystals, often used in electronic displays, are composed of tiny rod-like molecules....
Nanorods Synthesized for Large-Scale Manufacturing
RALEIGH, N.C., Nov. 20, 2013 — A new technique that produces nanoscale gold rods in large quantities while also controlling their optical properties and dimensions could facilitate their high-volume manufacture for applications in biomedicine. Because the optical properties of...
Superparticles shaped from nanorods
GAINESVILLE, Fla. – A new technique for growing complex superparticles from self-assembling nanorods could create a new generation of polarized LEDs. Joining nanoparticles creates new materials with [enhanced] collective properties. Such materials could revolutionize...
Superparticles Shaped from Nanorods
GAINESVILLE, Fla., Oct. 23, 2012 — A new technique for growing complex superparticles from self-assembling nanorods could create a new generation of polarized LEDs.
Smallest semiconductor laser breaks diffraction limit
AUSTIN, Texas – A plasmon-based laser too small to be seen by the naked eye emits continuous green wavelengths at low energy levels and cold temperatures while operating below the 3-D optical diffraction limit. Physicists at The University of Texas at Austin, in...
Nanolaser Operates Below 3-D Diffraction Limit
AUSTIN, Texas, July 26, 2012 — Growing a smooth layer of silver onto a silicon substrate has improved the performance of nanolasers, offering a breakthrough for emerging nanophotonic devices with applications ranging from computing to medicine.
Firefly Bioluminescence Could Inform New LEDs
SYRACUSE, N.Y., June 20, 2012 — Syracuse University scientists think that by coating nanorods with firefly enzymes, producing lights that glow without batteries or electricity may be possible.
HD Tech Could Get Big Boost from Little Shrimp
PHILADELPHIA, June 28, 2011 — A two-part man-made waveplate inspired by the eye of the peacock mantis shrimp could improve CD, DVD, Blu-ray and holographic technology, creating even higher definition and larger storage density.
Magnetized Nanorods Diffract Visible Light
RIVERSIDE, Calif., March 29, 2011 — By coating iron oxide nanorods with silica, scientists have found that when they apply a magnetic field, the nanorods align themselves to one another like a set of tiny flashlights, which could have potential for a wide variety of color displays. ...
Vibrating Nanorods Measure Thin Films
ITHACA, NY, Dec. 20, 2010 — Much like a tuning fork, researchers are using lasers to vibrate cantilevers to determine their resonant frequency, a tool that is helping to verify the density of thin films. The method, known as atomic layer deposition, is becoming increasingly...
DARPA Awards Georgia Tech $4.3M
ATLANTA, Dec. 8, 2010 — A new class of sensors able to detect multiple biological and chemical threats simultaneously with unprecedented performance may soon be within reach, thanks to the establishment of a multimillion-dollar research center led by Georgia Institute of...
Optically trapped nanotools push nanoscience and applications
BRISTOL, UK – Researchers from the University of Bristol have assembled tools at nanometer scales that can be manipulated with laser tweezers to probe extremely small particles, surfaces and membranes. These so-called holographically trapped nanotools can now be...
Photothermal imaging detects nanorod orientation
HOUSTON – “Fluorescence vector probes and polarization-sensitive single-molecule spectroscopies have been widely used to explore the conformation dynamics of proteins in biological systems – and an ideal probe should yield high signal with low...
Gold-Silver Nanocages Improve Imaging
WEST LAFAYETTE, Ind., April 13, 2010 — An experimental ultrasensitive medical imaging technique that uses pulsed laser and tiny metallic “nanocages” might enable both the early detection and treatment of disease. The system works by shining near-infrared laser pulses through...
Making electro-optical sense with Zinc Oxide
Feb 28, 2010 — ZnO has many properties that make it attractive for optoelectronic applications. It has a bandgap of 3.37 eV – the same as gallium nitride (GaN) – and an excitation binding energy of about 60 meV. It is transparent under visible wavelengths of light...
Tracking Particles With Gold Rods
HOUSTON, Feb. 8, 2010 – A group of Rice University researchers, led by Stephan Link, has found a way to use nanometer-scale gold rods as orientation sensors by combining their plasmonic properties with polarization-imaging techniques. The work may make it possible to see...
Coating Boosts Solar Power
TROY, N.Y., Nov. 5, 2008 -- A new antireflective coating boosts the amount of sunlight captured by solar panels and allows those panels to absorb the entire solar spectrum from nearly any angle, overcoming two major hurdles facing solar energy. The discovery moves academia and...
Nanorods for Better Sunscreen
UPTON, N.Y., Sept. 11, 2007 -- New ways to make or modify nanorods and nanotubes of titanium oxide, a light-absorbing material used in a variety of industrial and medical applications, may lead to improved catalysts for hydrogen production, more efficient solar cells, and more...
Speedy Spectroscopy of Single Nanoparticles
Jul 1, 2007 — Nanoparticles present distinct research problems. Because of variations among production batches, investigators tend to choose to study individual particles. Doing so, however, is technically challenging, and it is difficult to generate meaningful...
Silver Nanostructures with Unique Optical Properties Created
May 1, 2007 — Silver nanobars and nanorice with the ability to scatter and absorb light in the near-infrared have been produced by controlling the assembly of silver atoms in solution. These nanostructures could compete with nanorods made of gold as contrasting...
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May 2024
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