NGC Successfully Delivers Deformable Mirror for World's Largest Solar Telescope
The world's largest ground-based solar telescope is one step closer to operation with the acceptance of the deformable mirror engineered by AOA Xinetics, a Northrop Grumman Corporation (NYSE:NOC) company. The Daniel K. Inouye Solar Telescope (DKIST), currently under construction on Haleakala on the island of Maui, Hawaii, will offer unprecedented high-resolution images of the sun using the latest adaptive optics technology to provide its distortion-free imaging.
Led by the National Solar Observatory (NSO) and the Association of Universities for Research in Astronomy (AURA), the Inouye Solar Telescope will help scientists better understand how magnetic fields affect the physical properties of the Sun, what roles they play in our solar system and how they affect Earth.
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Ground-based telescopes, whether observing the sun or the night sky must contend with atmospheric turbulence that acts as a flexible lens, constantly reshaping observed images. This turbulence makes research on solar activity difficult and drives the need for the latest adaptive optics technology.
To provide DKIST with the distortion-free imaging it requires, AOA Xinetics (AOX) designed a deformable mirror with 1,600 actuators, four times the normal actuator density. This deformable mirror (DM) is instrumental in removing all of the atmospheric blurriness that would otherwise limit the telescope's performance. The mirror also has an internal thermal management system to handle the intense solar energy coming from DKIST's telescope.
"The science DKIST will produce is groundbreaking and transformational for solar astronomy," said Thomas Rimmele, project director, National Solar Observatory. "The AOA Xinetics mirror is the highest-performing DM I've ever observed and it will help us revolutionize solar imaging."
Harvey Bass, the DKIST Contracts Officer adds, "Thanks to Northrop Grumman and AOA Xinetics. They were great to work with and built an incredible deformable mirror on time and on budget."
With over 20 years of experience building ultra-reliable, cutting-edge optics and adaptive optics systems, AOA Xinetics was able to quickly engineer this complex and unique mirror to the exacting specifications of the DKIST operating environment. AOX successfully utilized the 1,600 actuators to correct the mirror's surface to an average error of 4 nanometers, or about the height of 40 hydrogen atoms stacked on top of each other.
"There will always be challenges when you do something that's never been done before that others have failed to achieve. But fortunately, we have a team of incredibly experienced and talented engineers and technicians who rose to the occasion and built this ground-breaking mirror," said Jeff Cavaco, chief scientist and program manager, AOX. "It is an honor to work with AURA and NSO on this telescope and support the important science sure to come."
Source : Northrop Grumman Corporation (NYSE:NOC) - view original press release