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(38,325 articles)
Popular News
QED Technologies Wins Circle of Excellence Award
Jan 1, 2004 — The subaperture stitching interferometer is a six-axis, computer-controlled workstation that enables affordable, automated, high-precision characterization of large-clear-aperture and high-numerical-aperture parts. Combining advanced software algorithms and process automation in a robust hardware package, the tool captures precise metrology data for parts that are up to 200 mm in diameter as well as for those that are strongly concave or convex. Developed by Rochester, N.Y.-based QED...
Semrock Wins Circle of Excellence Award
Jan 1, 2004 — Using the latest advances in thin-film filter technology, Semrock Inc. of Rochester, N.Y., has combined its modern ion-beam sputtering, sophisticated designs and proprietary deposition control techniques to produce a single laser-grade mirror that...
Veeco Instruments Wins Circle of Excellence Award
Jan 1, 2004 — Responding to the needs of microelectromechanical systems (MEMS) manufacturers for an effective and dynamic measurement technique, Veeco Instruments Inc. of Tucson, Ariz., has developed the Wyko Dynamic MEMS measurement system to control the...
Visx Wins Circle of Excellence Award
Jan 1, 2004 — The CustomVue laser wavefront system is an ophthalmic laser surgery device that combines new photonics technologies to provide personalized laser vision correction for both nearsightedness and astigmatism, tailoring a unique correction for every...
Carl Zeiss MicroImaging Wins Circle of Excellence Award
Jan 1, 2004 — The ApoTome optical sectioning device from Carl Zeiss was designed to make it fast and easy to generate optical sections of biological fluorescence specimens. This optoelectronic add-on device for a fluorescence light microscope uses structured...
Compact, Efficient Blue Laser Utilizes Periodically Poled KTP
Jan 1, 2004 — Yet another nail in the coffin of blue gas lasers has been delivered by an international team's demonstration of what it believes is the highest wall-plug efficiency recorded in the blue spectral region from a second-harmonic laser source. By...
Short Pulses Generated in Mode-Locked Tm-Ho:BaY2F8 Laser
Jan 1, 2004 — Ultrashort mode-locked pulse trains in the 2-µm spectral region are of interest for applications such as time-resolved spectroscopy and optical communications. Moreover, the short pulses enable highly efficient nonlinear conversion into the mid- and...
Solution to the 'Green Problem' Demonstrated
Jan 1, 2004 — Intracavity frequency-doubled solid-state lasers are one of the photonics industry's all-time best sellers because they provide an efficient, compact and rugged source of coherent visible light for applications from surgery to spectroscopy to green...
Q-Switched CO2 Laser Intended for Heterodyne-Detection Lidar
Jan 1, 2004 — Waveguide CO2 lasers excited by radio-frequency discharges have found broad application as the sources for laser radar systems. In particular, pulsed heterodyne-detection lidar requires a pair of frequency-offset, pulsed lasers. Q-switched,...
Spatial Light Modulator Enables Optical Processor
Jan 1, 2004 — Lenslet Ltd. of Herzliyya, Israel, has developed a commercial optical digital signal processor that can perform 8 trillion multiply-and-accumulate operations per second, orders of magnitude faster than current processors. Applications of the...
Subwavelength Silica Wires Display <0.1 dB/mm Optical Loss
Jan 1, 2004 — Researchers at Harvard University in Cambridge, Mass., Zhejiang University in Hangzhou, China, and Tohoku University in Sendai, Japan, have produced subwavelength-diameter silica waveguides that display optical losses of less than 0.1 dB/mm. The...
Optics Coalition Discontinues Operations
Jan 1, 2004 — As of December 2003, the member board of the Coalition for Photonics and Optics (CPO) has dissolved the association. Robert P. Breault, 2003 CPO chairman, reported that the organization's mission was threefold when it was established in 1996: to...
Light Pulse Halted
Jan 1, 2004 — Using an effect related to electromagnetically induced transparency, scientists at Harvard University in Cambridge, Mass., have stopped pulses of light in an atomic medium and released them a few microseconds later. The development opens prospects...
Micron Technology Offers Megapixel CMOS Image Sensors
Jan 1, 2004 — Micron Technology Inc. of Boise, Idaho, has announced the development of two- and three-megapixel CMOS image sensors. Previous products were aimed primarily at lower-end applications, but Micron is ramping up the color balance and light sensitivity...
Machine Vision System Scans Baked Goods
Jan 1, 2004 — Engineers at Georgia Institute of Technology in Atlanta are working on a way to give everyone perfect buns -- sandwich buns, that is. In collaboration with researchers at Baking Technology Systems Inc. (Bake-Tech) of Tucker, Ga., they are developing...
Photonic Crystal Enables Flat-Lens Imaging
Jan 1, 2004 — A team of scientists at Northeastern University in Boston has demonstrated that it is possible to image using a flat photonic crystal lens that displays negative refraction. The work illustrates the potential of "left-handed materials" for...
Tunable Source Produces Microsecond Pulses in the Mid-IR
Jan 1, 2004 — A collaboration among scientists at Nederlands Centrum voor Laser Research bv and the University of Twente, both in Enschede, the Netherlands, and at Laser Zentrum Hannover eV in Germany has resulted in what they believe is the first optical...
Laser Strums Silicon 'Nanoguitar'
Jan 1, 2004 — A team of scientists at Cornell University in Ithaca, N.Y., has employed a laser to pluck the strings on a microscopic guitar. The demonstration illustrates the potential of optically driven actuation and detection schemes for future...
Researchers Around the World Obtain Vanadate Improvements
Jan 1, 2004 — Neodymium-doped vanadate has become the crystal of choice for many diode-pumped lasers, primarily because the absorption cross section for 808-nm laser-diode pumping to the neodymium upper laser level is nearly eight times greater than the...
Sorrento Networks to Raise $6.35 M Funding
Dec 31, 2003 — SAN DIEGO, Dec. 31 -- Sorrento Networks Corp., a supplier of optical networking equipment, announced it has signed definitive agreements to raise approximately $6.35 million in gross proceeds from a private placement of its common stock and warrants...
Daily News Briefs
Dec 31, 2003 — Robotic Vision Systems Inc. (RVSI) announced that its Acuity CiMatrix division has opened a sales office in Shanghai, China, and has appointed Andrew Lee as managing director, Asia. The division also operates a sales office in Singapore. The new...
NSF Funds Digital Blue Online Learning Effort
Dec 31, 2003 — ATLANTA, Dec. 31 -- Digital Blue, the consumer division of Prime Entertainment Inc., of Atlanta, has been awarded a $100,000 grant from the National Science Foundation (NSF) to fund an Internet-based education initiative for middle-school students....
Rover on Course for Mars Landing
Dec 31, 2003 — PASADENA, Calif., Dec. 31 -- NASA's Spirit rover spacecraft fired its thrusters for 3.4 seconds on Dec. 26, to make a slight and possibly final correction in its flight path about a week before landing on Mars. Radio tracking of the spacecraft...
Daily News Briefs
Dec 30, 2003 — Defense electronics company Elbit Systems Ltd. announced that its wholly owned subsidiary, Elop Electro-Optics Industries Ltd. (El-Op), has received orders for more than $53 million from international customers for thermal imaging day/night...
Environmental Research Sparked GloFish Craze
Dec 30, 2003 — AUSTIN, Texas, Dec. 30 -- The GloFish, the in-demand fluorescent zebra fish that's being called the first gentically engineered pet, was originally bred to help detect contaminated waterways, said its developer, Yorktown Technologies. The scientists...
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