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astronomy News
Rockwell Scientific to Develop Detectors for Ground-Based Astronomy
Aug 8, 2002 — THOUSAND OAKS, Calif., August 8 -- Rockwell Scientific Co. (RSC) has been awarded two $2.2 million contracts -- from Canada-France-Hawaii Telescope (CFHT) and Gemini Observatory -- to fabricate and deliver, to each organization, molecular beam epitaxy (MBE) mercury cadmium telluride 2048 x 2048 short-wave infrared sensor chip assemblies on HAWAII-2RG multiplexers. Sets of four focal plane arrays will be "tiled" into 2 x 2 mosaic configurations totaling 4096 x 4096 pixels. One of the 4096 x 4096...
Symposium Kicks Off SPIE Annual Meeting
Jul 8, 2002 — SPIE's 47th Annual Meeting on Optical Science and Technology was off to a "brilliant start" with the well-attended all-symposium welcome reception Sunday evening, SPIE media staff said. After the opening day of the symposium, attendees enjoyed...
Steward Observatory Spins Out Major Mirrors
Jul 1, 2002 — Tucson, at first, seems a remote spot for the world’s foremost optical sciences laboratory. Arising from the parched red crust of the Arizona landscape, manicured lawns and English gardens betray an extensive field of subterranean aquifers...
Astronomers Release First Images From Hubble's Revived 'NICMOS'
Jun 12, 2002 — TUCSON, Arizona, June 12 -- The Hubble Space Telelscope has its infrared vision back. The space telescope has been blind at infrared wavelengths since 1999 when NICMOS, or the near-infrared camera and multi-object spectrometer, ran out of cryogen....
Does Your CCD Camera Need Cooling?
Jun 1, 2002 — To those in the light-starved world of astronomy, the result of cooling cameras to ultralow temperatures is obvious: Truly amazing images can be produced in situations where only a few photons are available. The need for cooling may not be so...
Daily News Briefs
May 6, 2002 — University of Arizona undergraduate Joshua Gordon received the First Jack D. Gaskill Endowed Scholarship Award from the university's Optical Sciences Center for his achievement and potential in the optics industry, including his essay, "Why I Became...
Astronomers Anticipate Clues to Galactic Mystery
Apr 11, 2002 — ITHACA, N.Y., April 11 -- With the recent delivery of the telescope and scientific instruments for the Space Infrared Telescope Facility (SIRTF) -- the last of NASA's four great observatories -- to Lockheed Martin Space Systems in Sunnyvale, Calif.,...
Color Them Red: The Universe is Beige
Mar 7, 2002 — BALTIMORE, March 7 -- The universe has come in for a color correction, and home decorators may approve. Astronomers who announced in January (see https://www.photonics.com/XQ/ASP/url.readarticle/artid.89/QX/readart.htm) that they'd determined the...
0.1-Hz Detector Could Measure Cosmic Acceleration
Mar 1, 2002 — We are on the cusp of the gravity-wave revolution in astronomy. Numerous detectors -- powered by bars of metal or by beams of light, on the ground or in orbit -- are scheduled to come online over the next 10 years or are awaiting approval to do so,...
New Instrument Package to Expand Space Telescope's Vision
Feb 21, 2002 — BALTIMORE, Feb. 21 -- NASA's fourth servicing mission for the Hubble Space Telescope, scheduled to lift off on Space Shuttle Columbia Feb. 28, will give the orbital observatory a series of midlife upgrades that includes the advanced camera for...
Astronomers Determine Color of the Universe
Jan 11, 2002 — BALTIMORE, Jan. 11 -- Astronomers at The Johns Hopkins University have produced a unique new insight into the nature of existence: They've determined the color of the universe. The irregularities of individual computer screens make it tough to...
Quantum-Dot Detector Spots Submillimeter-Wave Photons
Dec 1, 2001 — Doubling up can single out photons. A new submillimeter-wave detector promises the sensitivity to spot single photons. In contrast to existing single-photon-detection schemes, the detector does not require a magnetic field, and it offers an expanded...
Ultrafast Setup Machines and Measures
Dec 1, 2001 — Researchers at the University of Aarhus in Denmark have developed laser techniques for manufacturing and measuring on the microscopic scale. The method uses the same femtosecond laser pulses to ablate material and to profile depths on the...
Coherent-DEOS Honored for Small-Business Innovation
Nov 7, 2001 — BLOOMFIELD, Conn., Nov. 7 -- Coherent-DEOS, a member of the Coherent Photonics Group, was awarded a 2001 Small Business Innovation Research Program Tibbetts Award for the development of its Stabilized Integrated Far-Infrared (SIFIR) THz laser...
UK Institutions Get Optics Award
Nov 1, 2001 — The Smart Optics Faraday Partnership award has gone to Sira Electro-Optics Ltd., the Mullard Space Science Laboratory and the UK Astronomy Technology Centre. The grant provides £1.2 million from the UK Department of Trade and Industry, and access...
Compound-Cavity Diodes Promise T-Rays
GLASGOW, UK -- GLASGOW, UK -- The last few decades have been marked by the rapid opening of the high-frequency electromagnetic spectrum for communications, detection and imaging. Remarkably quiet...
Deformable Mirror Tests Adaptive Optics
CHARLOTTE, N.C. -- CHARLOTTE, N.C. -- The advent of adaptive optics systems, which correct for the aberration caused by atmospheric turbulence, has dramatically improved the resolution of ground-base...
Bush Nominates Science Adviser
WASHINGTON -- WASHINGTON -- President Bush has tapped John H. Marburger III, director of Brookhaven National Laboratory in Upton, N.Y., to be the White House science adviser and to lead the Office of Science and Technology Policy. Marburger faces confirmation by...
Gravity-Wave Detector Comes Online
TOKYO -- TOKYO -- Despite the best attempts of researchers, conclusive proof of the existence of gravitational waves has remained elusive. But several next-generation projects around the world with the sensitivity to detect these waves are coming into...
Staff Report: Hubble Space Telescope
Aug 1, 2001 — As darkness falls, a solitary man trudges up the hillside to a lonely domed building. His breath sends clouds of mist into the chilly air as he enters the building and flicks a switch, splitting the dome open to reveal the night sky. He walks up to...
Plans for Faulkes Student Telescopes Continue
Jul 1, 2001 — The sponsors of a project to bring astronomy to schoolchildren via the Internet expect to begin construction of the first telescope in August or September, said James Heasley, a professor at the University of Hawaii’s Institute for Astronomy...
Is Space a Dispersive Medium?
Apr 1, 2001 — According to string theory, perhaps the top contender in the struggle to create a quantum theory of gravity, the vacuum of space is frothing. According to Dimitri V. Nanopoulos, a professor at Texas A&M University in College Station, and his...
Rockwell Science Center Introduces CMOS Sensor for High-Performance Video Cameras
Mar 23, 2001 — THOUSAND OAKS, Calif., March 23 -- The Rockwell Science Center, a developer of imaging sensors for astronomy and defense applications, has introduced a high-performance CMOS sensor for professional and industrial video cameras. Specifically designed...
Interferometer Gauges Space
PASADENA, Calif. -- PASADENA, Calif. -- In the seemingly infinite universe, it is difficult to tell just how far that galaxy far, far away really is. Advances in stellar interferometry, however, promise astronomers a means to more accurately determine cosmic distances....
New Yorkers are Seeing Fiber Optics Stars
Jan 1, 2001 — The stars may shine brightly in New York Broadway theaters, but not in the city's evening sky. Light pollution has increasingly occluded the stars and planets over the town where only tourists look up. Next month, however, residents and tourists...
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May 2024
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