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astronomy News
Ultrablack Coatings Achieve Broadband Absorption for Precision Optics
SHANGHAI, March 21, 2024 — A broadband, ultrablack film from the University of Shanghai for Science and Technology and the Chinese Academy of Sciences could enhance the performance of telescopes among other applications in space exploration and precision optics. In tests, the film achieved an average absorption as high as 99.4%, within a wavelength range of 400 to 1000 nm. Optical devices that require ultrablack coating for stray light suppression often exhibit significant curvature and intricate shapes,
Photonics-Based Oscillator Provides Precise Signals on Compact Chip
GAITHERSBURG, Md., March 15, 2024 — Many technologies — from communications, to radar and sensing, to positioning and navigation — rely on low-noise microwave signals for precise timing and synchronization. Advances in these technologies intensify the demand for stable,...
Optofluidic Device Tests for Blood Disorders at Point of Care
HARBIN, China, Jan. 25, 2024 — Abnormalities in white blood cell count are indicative of a blood disorder. Measuring these abnormalities is imperative. However, the use of flow cytometry and other conventional methods to assess white blood cell concentration is confined to...
Plasma-infused Pulse Compression Proposes Pathway to Zettawatt Lasers
GLASGOW, Scotland, Nov. 21, 2023 — The ability to compress laser pulses to ultrahigh powers could open the way for compact lasers in the order of exawatt and above. Such powerful lasers would enable scientists to push the limits of physical science by deepening their study of the...
Compact Quasiparticle Light Source Could Rival FELs' Brightness
ROCHESTER, N.Y., Oct. 24, 2023 — An international team of scientists is rethinking the principles of radiation physics, with the goal of creating super-bright light sources that are compact and relatively convenient to use. Coherent light sources such as free-electron lasers (FELs)...
UK’s Central Laser Facility Receives Over $100M for Planned Upgrade
DIDCOT, England, Oct. 5, 2023 — The Science and Technology Facilities Council (STFC) Central Laser Facility (CLF) was awarded £85 million ($103.2 million) by UK Research and Innovation for an upgrade initiative that includes construction of the Vulcan 20-20 laser, which is...
How Materials Advancements Advance Our View of the Cosmos
Oct 1, 2023 — It is strange that the study of materials has been intertwined with the study of our universe. Somewhat paradoxically, improving our grasp of atoms has enabled us to answer questions about the cosmos. Although humanity has always looked to the stars...
BAE Systems to Acquire Ball Aerospace
WESTMINSTER, Colo., Aug. 17, 2023 — Ball Corp. has reached an agreement to sell its aerospace business to BAE Systems for $5.6 billion in cash. BAE Systems is a provider of high-tech solutions for defense markets, including imaging, sensors, and optical displays, among others. Ball...
NASA to Test Deep-Space Laser Communication on Psyche Mission
WASHINGTON, D.C., Aug. 9, 2023 — NASA’s Deep Space Optical Communications project will test the use of near-infrared lasers as potential replacements for the current radio frequency systems. The technology demonstration, scheduled to piggyback on the Psyche mission launching...
European Semiconductor Metrology Hub Launches: Week in Brief: 07/21/23
DRESDEN, Germany, July 21, 2023 — Applied Materials and the Fraunhofer Institute for Photonic Microsystems (Fraunhofer IPMS) collaborated to create what will be Europe’s largest technology hub for semiconductor metrology and process analysis. The hub will be located at the...
Jane Rigby Named Webb Telescope Senior Scientist: People in the News: 07/05/23
WASHINGTON, D.C., July 5, 2023 — NASA named Jane Rigby as the new senior project scientist for the James Webb Space Telescope mission. Rigby is an astrophysicist at NASA’s Goddard Space Flight Center. Rigby was one of the three commissioning scientists for Webb. She also led...
Laser Altimeter Among Instruments to Help Explore Jupiter’s Moons
JENA, Germany, April 11, 2023 — The European Space Agency (ESA) is set to launch its Jupiter Icy Moons Explore (JUICE) mission this week, which aims to explore Jupiter and its moons. On board the spacecraft will be the GALA measuring instrument, which will use laser pulses to...
NASA Proposes Use of Lasers to Clear and Nudge Orbital Debris
WASHINGTON, D.C., April 6, 2023 — According to NASA, orbital debris is an increasingly serious issue that could impede access to space and complicate communication satellite operations, astronaut safety, and more, particularly with the advent of satellite constellation networks....
Large-Aperture Metalens Images Lunar Surface
UNIVERSITY PARK, Pa., March 8, 2023 — Researchers at Penn State have developed a metalens that is large enough to be put into a telescope, and used the optic to image the moon's surface. The metalens, which the researchers used to create a metalens telecscope instrument, works in the...
Hesai Group Charges Forward with IPO Pricing: Week in Brief: 02/10/23
SHANGHAI, Feb. 10, 2023 — Lidar technology company Hesai Group announced the pricing of its initial public offering of 10 million American Depositary Shares (ADS), at $19 per ADS, for a total offering size of $190 million. Each ADS represents one class B ordinary share of...
Speckle-correlation Technique Recovers Images of Obscured Objects in Real Time
THUWAL, Saudi Arabia, Feb. 2, 2023 — Imaging through a light-scattering medium, such as clouds in the sky or tissues in the body, poses special challenges. The scattered light must be reconstructed, typically by using complex optical elements in an environment that is vulnerable to...
Adaptive Optics Elevates Ground-Based Telescopes’ Image Quality
VICTORIA, British Columbia, Oct. 28, 2022 — After starlight enters the atmosphere, it passes through layers of turbulence that grant the light a twinkling or flickering effect when viewed from Earth. This turbulence also affects the quality of images taken with ground telescopes. This effect...
Spectroscopy and Machine Learning Focus Lens on Far Reaches of the Universe
MELBOURNE, Australia, Oct. 11, 2022 — Researchers from the ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D) and the University of New South Wales (UNSW) Sydney spectroscopically confirmed a number of strong gravitational lenses that were initially identified...
High-Efficiency Frequency Comb Invites Range of Optical Endeavors
CAMBRIDGE, Mass., Sept. 16, 2022 — On-chip laser frequency combs are a promising technology for applications including environmental monitoring, optical computing, astronomy, and metrology. However, the inability to design an on-chip laser frequency comb that is both efficient and...
Webb’s Exoplanet Observations Demonstrate Telescope's Strengths
WASHINGTON, D.C., Sept. 12, 2022 — NASA’s James Webb Telescope has captured the first clear evidence for carbon dioxide in the atmosphere of a planet outside out solar system, shortly after taking its first image of an exoplanet. The observations made with the powerful infrared...
NASA Reveals First Exoplanet Images Taken by Webb Telescope
WASHINGTON, D.C., Sept. 6, 2022 — Astronomers have used NASA’s James Webb Space Telescope to take a direct image of a planet outside our solar system. The image, shown through four different light filters, demonstrates how the telescope’s infrared capabilities can lead...
Photonics Technologies at the Fore as First James Webb Space Telescope Images Released
WASHINGTON, D.C., July 12, 2022 — The first images from the James Webb Space Telescope are being released today, following an initial release of a “teaser” image July 7, and a subsequent preview image released July 11 during a press conference by U.S. President Joe...
Contreras Fire Reaches Kitt Peak National Observatory
TUCSON, Ariz., June 21, 2022 — The Contreras Fire, which began June 11 about eight miles south of the Kitt Peak National Observatory, has destroyed four nonscientific structures related to the observatory. According to a release Sunday afternoon from the National Optical Infrared...
An Actively Cooled Mid-IR Telescope Peers Through Space Dust
Jun 1, 2022 — When the European Space Agency’s (ESA’s) Herschel Space Observatory revealed that the universe was far richer in star-forming dust than previously thought, the engineers who were developing a new mid-infrared space instrument recognized...
EOS Acquires Longtime Supplier KiwiStar Optics
SYMONSTON, Australia, April 11, 2022 — Electro Optic Systems Holdings Ltd. (EOS) has entered into an agreement with Callaghan Innovation to acquire the assets and hire the personnel of KiwiStar Optics (KSO), a producer of precision optics (telescope lenses up to and over 1 m in diameter)...
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April 2024
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