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Technology News News
Laser Technique Cools Broader Range of Elements
SOUTHAMPTON, England, Aug. 18, 2015 — A versatile laser cooling technique proposed 15 years ago now has partial experimental verification. In principle the technique could be used to cool a broader range of elements than is possible with current methods. Researchers at the University of Southampton used matter-wave interferometry to lowering a sample of already-cold rubidium from 21 to 3 μK — nearly to the fundamental temperature limit of laser cooling. "There is a great push to extend ultracold physics to
Chip Simplifies Quantum Optics Experiments
BRISTOL, England, Aug. 14, 2015 — JFL Chip Simplifies Quantum Optics Experiments BRISTOL, England, Aug. 14, 2015 — A chip that can process photons in an infinite number of ways could speed up development of quantum computing. Researchers say the device is a step quantum...
Gas-Sensing MEMS Interferometer Connects to Smartphones
ESPOO, Finland, Aug. 14, 2015 — Air and sleep quality can be gauged by an optical gas sensor that attaches to smartphones. The VTT Technical Research Centre of Finland developed the device, which is based on Fabry-Perot interferometers and microelectromechanical systems (MEMS). It...
Microresonators Generate Combs for Communications, Spectroscopy
WEST LAFAYETTE, Ind., Aug. 12, 2015 — Single microresonators able to generate light pulses at several discrete frequencies could eliminate the need to integrate multiple lasers into communications and spectroscopy equipment. Researchers at Purdue University have developed a way use...
Photonic Crystal Boosts QD Light Output
CHAMPAIGN, Ill., Aug. 10, 2015 — Combining quantum dot (QD) and photonic crystal technology could lead to brighter and more efficient displays and lighting. Researchers from the University of Illinois have developed a new method that extracts polarized light from QDs over a large...
Algorithm Makes Video Panoramas from Unstructured Camera Arrays
ZURICH, May 5, 2015 — Even nonprofessionals may someday be able to create high-quality video panoramas using multiple cameras with the help of a new algorithm. The method smooths out the blurring, ghosting and other distortions that routinely occur when video feeds from...
Low-Energy Lasers Produce Microplasmas for Spectroscopy
ROCHESTER, N.Y., April 28, 2015 — Microplasma summoned out of thin air by low-energy laser pulses can be used as a source of broadband terahertz radiation for spectroscopy. Terahertz imaging needs only a narrow range of terahertz frequency to, for example, nondestructively look...
Frequency Comb Has the ‘Teeth’ to Measure Terahertz Waves
PASADENA, Calif., April 24, 2015 — A frequency comb that generates and detects terahertz waves throughout a wide spectral range and with extreme precision could allow precise measurement of molecules in deep space. California Institute of Technology chemists combined commercially...
L-3 Beam Director to Aid Canadian Defense R&D
PITTSBURGH, April 15, 2015 — L-3 Integrated Optical Systems Brashear has provided Defence Research and Development Canada with a high-energy laser (HEL) beam director (BD) to enhance the government agency's mobile characterization and development laboratory. Designed for use on...
Acid-Free Fabrication Creates Longer-Lasting Flexible Displays
DAEGU, South Korea, April 14, 2015 — Hybrid organic-inorganic thin films for flexible displays can be created with a new technique that does without the corrosive acids used in conventional sol-gel fabrication. Developed by researchers at Kyungpook National University, the process...
Australian Military Tests Laser-Guided Missiles
NASHUA, N.H., April 13, 2015 — Laser-based missile guidance systems scored 10 out of 10 hits in recent testing aboard an Australian military helicopter, according to developer BAE Systems Inc. The test shots, conducted in November, were conducted in extreme heat conditions at...
Combining Lasers Leads to More Flexible Pulse Control
SOUTHAMPTON, England, Jan. 22, 2015 — Every laser has its limitations in terms of repetition rate and pulse characteristics, but bringing five lasers together in one system could make those limitations vanish. A device developed at the University of Southampton does just that to...
Fiber Sensors Go Inside Hot Machining Processes
MADRID, Jan. 21, 2015 — Fiber optic pyrometers that can get into places that other heat sensors cannot could help metal parts manufacturers cut down defects and breakdowns. Researchers at Carlos III University of Madrid have developed 62.5-µm silica fiber sensors...
Fraunhofer, NextIn Collaborate on Wafer Inspection System
DRESDEN, Germany, Jan. 13, 2015 — The Fraunhofer Institute for Photonic Microsystems (IPMS) and NextIn Inc. of South Korea have entered into a collaborative relationship for the evaluation of a defect inspection system. As part of the one-year effort, the NextIn Aegis I Wafer...
Panasonic Welding Robots to Use TeraDiode Lasers
WILMINGTON, Mass., Dec. 18 2014 — TeraDiode will supply Panasonic Welding Systems of Osaka, Japan with 4-kW high-brightness laser engines under a new, multiyear agreement between the two companies. TeraDiode’s TeraBlade engine will be integrated into Panasonic’s Lapriss...
Laser Detects Methane Leaks
FREIBURG, Germany, Nov. 13, 2014 — A new laser system can detect biogas and natural gas that escape through leaks in gas lines or fermenters at biogas plants. A team led by the Fraunhofer Institute for Physical Measurement Techniques IPM developed the system, which can reveal leaked...
Laser Scanner Captures 3-D Info in Real Time
DRESDEN, Germany, Oct. 17, 2014 — A 3-D laser scanner based on the human eye can focus on key sections of an image, capturing it with correspondingly higher resolution.
Spectroscopy Measures Nanoscale Material Strain
LAFAYETTE, Ind., Aug. 28, 2014 — A new spectroscopy technique could lead to microelectronics that perform better under stress and heat. A team from Purdue University developed the technique, called nanomechanical Raman spectroscopy. Raman spectroscopy can provide information about...
Fluorescence Lifetime Measurement Enhances Recycling
MUNICH, Aug. 22, 2014 — Sorting plastics using fluorescence lifetime measurement could simplify and speed up the recycling process. Developed by a team from Ludwig Maximilian University of Munich, the technique takes advantage of the intrinsic fluorescence properties found...
NASA Engineer to Complete First
3-D-Printed Space Camera
GREENBELT, Md., Aug. 7, 2014 — New imaging instruments made using 3-D printing could bring the benefits of such technology to the forefront. NASA aerospace engineer Jason Budinoff is developing a 350-mm dual-channel imaging telescope and a 50-mm camera whose outer tube, baffles...
Process Combines Arc, Laser Welding
HANNOVER, Germany, July 8, 2014 — A new hybrid laser welding technique could reduce processing time and costs associated with manufacturing tanks and pipelines for liquid gas. Developed at Laser Zentrum Hannover eV (LZH), the approach teams a 16 kW solid-state disk laser with two...
Fine-Tuning Additive Manufacturing for High-Density Parts
LIVERMORE, Calif., June 17, 2014 — A new approach to selective laser melting (SLM) could alleviate long-standing challenges in additive manufacturing of high-density metal parts. Researchers at Lawrence Livermore National Laboratory and its Accelerated Certification of Additively...
Swelling Sensor Detects Toxic Gas
CAMBRIDGE, Mass., June 17, 2014 — Those who work with hazardous substances could find an extra measure of protection in an optical sensor that puffs up in the presence of even trace amounts of toxic gases. Made from a 400-nm-thick film of polymethyl methacrylate (PMMA), the sensors...
Solid-State UV Lamp Presents Sterilization Alternative
NAGOYA, Japan, April 23, 2014 — A new solid-state UV lamp could provide a cheaper and safer option for surface sterilization.
High-Speed Optics Enable Inline Strip Product Inspections
FREIBURG, Germany, April 16, 2014 — A new optical inspection system examines strip products like wire, pipe and rail much faster than any human ever could.
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May 2024
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