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astronomy News
Observatory Employs New Process in Gemini Mirrors
Sep 1, 1998 — AlumiPlate Inc. of Minneapolis, in collaboration with the National Optical Astronomy Observatory and II-VI Inc. of Saxonburg, Pa., has developed a diamond-turning process that yields the high-quality mirrors necessary for the near-IR spectrograph in...
Lessons from Space:
Jun 1, 1998 — The development of space-based ultraviolet astronomy began with the missions of deep-space sonders like Voyager, which allowed preliminary determination of UV spectra of remote stars. However, these methods remained largely unexploited because of...
Transistors Work at Low Temp
Jun 1, 1998 — Engineers at Germanium Power Devices are refining a transistor that works at liquid helium temperature. The germanium field-effect transistor was pioneered by Texas Instruments but never put into extensive production. The Massachusetts company,...
Detector Choices:
May 1, 1998 — Whether they need to image faraway stars, microscopic organisms or bottles on an assembly line, users of imaging systems face many choices: What type of light will work best? How does color play a role? Where should I position the camera? In...
Adaptive Optics System Enhances 3.5-m Telescope
Mar 1, 1998 — The Max Planck Institute for Astronomy in Heidelberg, Germany, and Adaptive Optics Associates in Cambridge, Mass., have installed an adaptive optics system on the joint German and Spanish 3.5-m telescope in Calar Alto, Spain. The optical system...
Researchers Inch Closer to X-Ray Wavelengths
Mar 1, 1998 — Scientists have long sought to explore the structure of matter at the atomic and molecular level. To achieve this, they have been working toward developing a self-amplified spontaneous emission x-ray free-electron laser. Recently, a team from the...
Photorefractive Polymer Provides High Optical Gain and Long Lifetime
Sep 1, 1997 — SAN DIEGO -- Scientists have unveiled a durable, optically efficient polymer that improves on several years of research toward an inexpensive photorefractive material. Moreover, they have demonstrated its use as an efficient phase conjugated mirror,...
European Photonics Experts Focus on Munich
Jun 1, 1997 — More than 14,000 photonics scientists, engineers and technicians worldwide will converge on the Munich Trade Fair Site for the 13th LASER conference and exposition June 16 to 20. This year's event, touted as the leading international trade fair for...
Stay Tuned: Photonic Filters Color Your World
Mar 1, 1997 — Spectral information enhances our knowledge of astronomy, chemistry, metallurgy, and meteorology, and it contributes to applications in photonics, communications and medical instrumentation. Different specialties may use one of many spectral...
MSX Galaxy Maps Yield Highest Resolution
Jan 1, 1997 — The Midcourse Space Experiment (MSX) observatory-class satellite delivered mid-infrared maps of the center of our galaxy with a resolution 15 times better than the previous best taken by the Infrared Astronomical Satellite. The image at left is a...
Lobsters Serve as Inspiration for X-Ray Lithography Technology
Nov 1, 1996 — STURBRIDGE, Mass. -- A new lens design originally created for applications in astronomy, and based on the eye structure of a lobster, holds promise in the etching of ultrasmall electronic components on a chip. Nova Scientific Inc. and a team from...
Ohio State Seeks Role in Two Major Observatories
Nov 1, 1996 — COLUMBUS, Ohio -- Ohio State University is seeking a partnership role in two major observatories, one of which will house the world's largest telescope on a single mount. The university would buy a one-eighth share in the Large Binocular...
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