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silica News
Femtosecond Fiber Laser Ushers in New Class of Visible Sources
QUEBEC CITY, July 10, 2023 — Researchers from Laval University reported the development of the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright visible-wavelength pulses could...
3 Quantum Startups Receive Cash Injections
GARCHING, Germany, July 8, 2022 — Quantum computing startup planqc closed a financing round of €4.6 million ($4.67 million) led by UVC Partners and Speedinvest. With the funding, planqc will develop a highly scalable quantum computer operating at room temperature and based on...
Materials-Based Solution Accelerates Photonic Computing
ORLANDO, Fla., May 31, 2022 — Researchers at the University of Central Florida (UCF) have introduced a previously undescribed class of topological insulators. The researchers increased the speed and efficiency of light as it flows through photonic circuits, in a demonstration...
Evaporation Model Shows Mechanistic Behaviors of Liquid Marbles
THUWAL, Saudi Arabia, Oct. 28, 2021 — Researchers from King Abdullah University of Science and Technology (KAUST) have introduced a framework for the evaporation behavior of liquid marbles — nonstick and hydrophobic particle-coated droplet structures. Liquid marbles’...
Laser-Based Method Enables 3D-Printed Glass with Intricate Detail
WASHINGTON, D.C., Jan. 13, 2021 — A laser-powered polymerization process for 3D-printing applications overcomes the need to build a 3D-printed object one layer at a time. A research team from France’s Fresnel Institute and École Centrale de Marseille introduced the...
All-Glass Fiber Optic Sensor Measures Force on Miniature Objects
WASHINGTON, D.C., Sept. 10, 2020 — A team of researchers has designed a tiny fiber optic force sensor, approximately equal in diameter to a human hair, capable of measuring extremely slight forces exerted by small objects. The light-based sensor is made of silica glass formed into a...
Glass Doped with Erbium Could Be Used for Optical Circuits
LEEDS, England, Aug. 8, 2018 — A material created by doping glass made from zinc, sodium, and tellurium with the rare-earth element erbium could be used for broadband planar waveguide amplifiers. Scientists have started testing planar waveguides for use in signal transmission in...
Silica-Based Fiber Boosts Broad-Spectrum Spectroscopy
Nov 1, 2013 — Fibers with a broad optical spectrum are useful in spectroscopic applications because they enable the collection and analysis of more information over a greater wavelength range. A variety of spectroscopic applications require light transmission...
Scalable Sapphire Seen as Superior to Silica for Fiber Optics
CLEMSON, S.C., Aug. 15, 2012 — Transforming scalable sapphire into a fiber that can withstand greater light intensity provides an easily accessible, low-cost solution for fiber optics using common materials.
Nanophotonic Detector Targets Nuclear Terrorism
ATLANTA, May 4, 2012 — A new technique for detecting radiation will increase the effectiveness of nuclear surveillance, allowing security officials to easily find and prevent the smuggling of radioactive materials.
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. ...
‘C Dots’ Head to Clinical Trial
ITHACA, N.Y., Feb. 2, 2011 — “Cornell Dots” — brightly glowing nanoparticles — may soon be used to illuminate cancer cells to aid in diagnosis and treatment. The FDA has approved the new technology for the first clinical trial in humans. It is the first...
HRL to Make Phaser Cell
MALIBU, Calif., Nov. 12, 2010 — DARPA has awarded HRL Laboratories LLC a $500,000 contract to develop Phaser, or photonic analog signal-processing engines with reconfigurability. The Phaser program was established to address the Department of Defense’s growing need for...
Specialty Optical Fibers for Harsh Environments
Oct 12, 2010 — Fiber optic sensing is one of the fastest developing technologies today, and fiber sensors have seen increased acceptance and widespread use in many commercial applications. These include structural sensing, smart structures and civil engineering;...
Monolithic Photonic Integrated Circuits for 10G Passive Optical Networks
Sep 1, 2010 — Continually escalating demands for broader penetration of higher bandwidth, faster performance and rich-media applications are driving the ongoing worldwide deployment of fiber-based services. Even in the face of global economic challenges during...
For fast communication, divide and conquer
DAVIS, Calif. – By splitting up one big, tough problem into many smaller and easier parts, researchers at the University of California, Davis, may have created the basis for ultrafast optical communications. Team leader S.J. Ben Yoo noted that the new approach...
‘Microscope’ to Examine Glass Phase
ST. LOUIS, March 24, 2010 – The National Science Foundation has awarded $1.65 million to a project led by physicist Ken Kelton of Washington University in St. Louis to build an electrostatic levitation chambe...
Quantum Entanglement
PASADENA, Calif., Dec. 23, 2009 – A new paradigm that should allow scientists to observe quantum behavior in small mechanical systems has been realized by researchers at California Institute of Technology (Caltech). Their ideas offer a new means of addressing one of the most...
Sulick to Chair Dynasil Board
Sep 16, 2009 — West Berlin, N.J.-based Dynasil Corp. of America announced today that Peter Sulick, a significant investor in the company since 2005, has been elected chairman of its board of directors. Former chair James Saltzman was elected vice chairman. Sulick,...
Heat-Resistant 'Nanoglue' Creates Superstrong Bond
TROY, N.Y., May 16, 2007 -- By taking a nanolayer of a commercially available glue material and sandwiching it between a thin film of copper and silica, researchers have developed an inexpensive method of bonding materials that don't normally stick together and dramatically...
'Nanoshells' Meter Measures pH in Living Cells
HOUSTON, Texas, July 6, 2006 -- Using unique nanoparticles that convert laser light into useful information, scientists have created the first nanosized pH meter. The discovery presents biologists with the first potential means of measuring accurate pH changes in real-time, inside...
Pyrite-Type Silica Produced at High Pressures
Sep 1, 2005 — Researchers at Tokyo Institute of Technology, the Japan Agency for Marine-Earth Science and Technology in Yokosuka and Japan Synchrotron Radiation Research Institute in Sayo have reported the observation of a form of silica with a pyrite-type...
Wavelength Conversion of Slowly Varying Signals: An Implementation of Liquid Crystal Photonic Bandgap Fibers
Mar 1, 2005 — Photonic crystal fibers, usually made from silica, have a microstructured cross section of airholes running along their length. In recent years, much attention has been focused on the development and design of the fibers for various applications,...
Deposition Achieves 12 nm/cycle
Jan 1, 2003 — A team of scientists at Harvard University in Cambridge, Mass., has demonstrated an atomic layer deposition process that yields conformal layers of amorphous silicon dioxide and aluminum oxide nanolaminates at a rate of 12 nm per 30-second cycle....
(24 results found)
April 2024
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