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astronomy News
Modified Gregorian Telescope Patented
Apr 5, 2004 — VANCOUVER, Canada, April 5 -- fSONA Communications, a provider of optical wireless networking equipment, has been awarded a US patent (6,667,831) for a compact optical system described as a modified Gregorian telescope. fSONA said the compact telescope involves flipping the secondary mirror over a folding mirror in the middle of the optical path between the primary and secondary mirrors. The primary mirror is constructed with a concentric "double-curved" geometry. The result is a compact...
CCD Cameras Tune in to Scientific Imaging
Apr 1, 2004 — Since their first appearance some 30 years ago, CCDs have been embraced by the scientific imaging and spectroscopy communities for their extraordinary ability to quantify light. Over the years, their performance has been bolstered by a number of...
Study Probes High-Temp Superconductivity
Apr 1, 2004 — The results of infrared spectroscopy experiments with a bismuth-containing copper oxide known as Bi-2212 suggest that high-temperature superconductivity in such materials originates from a magnetic effect, not from the action of phonons. The work,...
Far-Infrared Telescope to be Built in Chile
Mar 10, 2004 — ITHACA, N.Y., March 10 -- Cornell University and the California Institute of Technology (Caltech) have signed an agreement to collaborate on the planning for a 25-meter infrared telescope high in the Atacama Desert of northern Chile. The...
Where Spectroscopy and Fiber Optics Meet
Mar 1, 2004 — The intersection of spectroscopy and fiber optics continues to give rise to some very interesting results. Spectroscopy, with its ability to determine chemical and mineralogical composition, temperature, emission and molecular activity, is still...
Infrared Cameras Take Off in New Directions
Feb 1, 2004 — The principles behind infrared technology have not changed much since they were developed in the 1800s, yet advances in sensors, electronics and optics give rise to new applications for IR cameras every day. Higher speed, greater field of view,...
Rockwell Scientific to Provide IR Sensors for Telescope
Feb 1, 2004 — Rockwell Scientific Co. LLC of Thousand Oaks, Calif., has been awarded a contract from NASA's Goddard Space Flight Center in Greenbelt, Md., to provide infrared focal plane arrays for the James Webb Space Telescope near-infrared camera. Integral to...
4D Technology Wins Circle of Excellence Award
Jan 1, 2004 — The ultrahigh-speed PhaseCam 4000 interferometer system from 4D Technology Corp. of Tucson, Ariz., captures high-accuracy, quantitative optical phase measurements. It uses a computer-generated holographic diffraction grating and a polarization phase...
NanoOpto Corp. Wins Circle of Excellence Award
Jan 1, 2004 — Offering a building block for optical on-a-chip integration, the Subwave Retarder wave plates fabricated by NanoOpto Corp. of Somerset, N.J., are passive optical components that provide precise phase retardation with less dependence on wavelength,...
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...
Student Spends Holidays Watching Water Freeze at the South Pole
Dec 30, 2003 — RIVER FALLS, Wisc., Dec. 30 -- College students are often known to head south during breaks. Jonathan Eisch took that to the extreme this year when he left wintry Wisconsin for frozen Antarctica. The University of Wisconsin-River Falls (UW-RF)...
IR Spectrograph Captures Stellar Images
Dec 19, 2003 — ITHACA, N.Y., Dec. 19 -- An instrument aboard NASA's recently launched orbiting infrared observatory has found evidence of organic molecules in an enormously powerful galaxy some 3.25 billion light years from Earth. Equal to 10 trillion times the...
Rockwell Scientific to Make Telescope IR Sensors
Dec 15, 2003 — THOUSAND OAKS, Calif., Dec. 15 -- The University of Arizona announced it has selected Rockwell Scientific Co. LLC to provide the infrared focal plane arrays for the James Webb Space Telescope near-infrared camera (NIRCam) under an award from NASA's...
Terahertz Center Opening Signals Wave of RPI's Future
Dec 11, 2003 — TROY, N.Y., Dec. 10 -- Change is in the air at the Rensselaer Polytechnic Institute (RPI). Bulldozers were poised at a campus construction site last Friday -- a cloudy, bitingly cold day that foreshadowed what would become a record-breaking...
Daily News Briefs
Nov 14, 2003 — Donald Fraser, director of The Photonics Center at Boston University, where he is also a professor, received the 2003 Roosevelt Gold Medal for Science from the Navy League of the United States at a league dinner in New York City this week. Fraser...
Plasmonics Sheds New Light on Optics Study
Nov 14, 2003 — HOUSTON, Texas, Nov. 14 -- Scientists studying the way light interacts with metallic nanostructures should throw out their old optics textbooks and bone up on their quantum mechanics instead, according to new research from Rice University. The new...
Astronomers Release 1st Image from New IR Camera
Nov 10, 2003 — HILO, Hawaii, Nov. 10 -- Astronomers from the University of Hawaii (UH) Institute for Astronomy have released the first image from a gigantic new 16-megapixel infrared camera recently mounted on the UH 2.2-meter (88-inch) telescope on Mauna Kea....
CCDs Promise 85 Percent Peak Quantum Efficiency
Nov 1, 2003 — Although the line between the functionality of CMOS and CCD imaging sensors has blurred for many applications, there are still times when one is a more optimum solution. Consider, for example, higher-performance scientific, astronomical and medical...
CMOS Sensors Expand Their Universe
Nov 1, 2003 — What a difference a year -- or two -- makes with imaging technology. First-generation cell-phone cameras, for example, primarily used CCD sensors, but the cost benefits of CMOS technology, as well as increasing consumer demand for smaller handheld...
MRI Researchers Share Nobel Prize
Oct 6, 2003 — STOCKHOLM, Sweden, Oct. 6 -- American Paul C. Lauterbur and Briton Peter Mansfield received the 2003 Nobel Prize for medicine today for their discoveries in magnetic resonance imaging (MRI). Lauterbur, director of the Biomedical Magnetic Resonance...
SPIE, OSA Awarded $1.7 M Education Grant
Oct 3, 2003 — BELLINGHAM, Wash., Oct. 3 -- The International Society for Optical Engineering (SPIE) and the Optical Society of America (OSA), along with Mathematics, Engineering, Science Achievement (MESA) and the National Optical Astronomy Observatory (NOAO),...
Physik Instrumente Announces NanoInnovation Grant
Aug 29, 2003 — AUBURN, Mass., August 29 -- Entries are being accepted for the Physik Instrumente (PI)-sponsored PI NanoInnovation Grant, an annual program to support research related to nanotechnology, optics and biotechnology. The $25,000 PI NanoInnovation Grant...
Space Infrared Telescope Facility to Launch Monday
Aug 22, 2003 — ROCHESTER, N.Y., August 22 -- On August 25, NASA plans to launch the new Space Infrared Telescope Facility (SIRTF) into the first-ever Earth-trailing orbit. Using the same technology that allows firefighters to see in the dark, the observatory will...
5300 Final Tally for SPIE Annual Meeting
Aug 19, 2003 — WASHINGTON, August 19 -- A total of 5300 attended the week-long 48th annual meeting and optical science and technology exhibition of the The International Society for Optical Engineering (SPIE), held in San Diego, Calif., earlier this month. SPIE...
5300 Final Tally for SPIE Annual Meeting
Aug 19, 2003 — WASHINGTON, August 19 -- A total of 5300 attended the week-long 48th annual meeting and optical science and technology exhibition of the The International Society for Optical Engineering (SPIE), held in San Diego, Calif., earlier this month. SPIE...
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