Active optics is a technology used with reflecting telescopes developed in the 1980s, which actively shapes a telescope's mirrors to prevent deformation...
9 KB (1,046 words) - 13:43, 14 June 2024
deformable mirror or a liquid crystal array. Adaptive optics should not be confused with active optics, which work on a longer timescale to correct the primary...
28 KB (3,115 words) - 14:53, 25 May 2025
development of the computer-controlled alt-azimuth mount in the 1970s and active optics in the 1980s enabled a new generation of even larger telescopes, starting...
75 KB (9,307 words) - 04:49, 24 April 2025
optimal position. One key component of the DKIST is its adaptive and active optics system, which is responsible for correcting distortions in the telescope's...
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at the La Silla Observatory and was an early pioneer in the use of active optics. The telescope and its enclosure were built to a revolutionary design...
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Vera C. Rubin Observatory (section Optics)
have somewhat reduced image quality. The Simonyi telescope uses an active optics system, with wavefront sensors at the corners of the camera, to keep...
80 KB (8,787 words) - 23:23, 26 May 2025
VLT Survey Telescope (section Telescope optics)
The secondary mirror is actively controlled by a deformable platform able to tilt the mirror during exposure. The active optics system also includes a...
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so-called active optics system, a feature that was then under development for ESO's New Technology Telescope. In 1992, such an active optics system was...
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for stable atmosphere and favorable climate conditions, and active optics and adaptive optics to correct for much of atmospheric turbulence allow the largest...
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2018) was an English physicist and telescope optics designer, best known for pioneering the use of active optics in large telescopes. Wilson's first degree...
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the 3.6 m New Technology Telescope, an early pioneer in the use of active optics, and the Very Large Telescope (VLT), which consists of four individual...
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mechanical vibrations. The "cell" primary mirror support system contains "active optics" with pneumatic actuators that will push on the back of the primary...
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Electro–optics is a branch of electrical engineering, electronic engineering, materials science, and material physics involving components, electronic...
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could reveal the presence of molecules indicative of life). Active optics Adaptive optics Extremely Large Telescope Giant Magellan Telescope List of optical...
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Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments...
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that allowed the construction of the Keck telescopes was the use of active optics to operate smaller mirror segments as a single, contiguous mirror. A...
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six position actuators and the 160 pneumatic actuators which work its active optics system. This results in a huge assembly structure weighing about 28...
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The telescope is also the first of its kind in India that features an active optics system, featuring a wavefront sensor and pneumatic actuators which compensates...
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varying from 10 to 30 percent of the observing time. The telescope uses active optics on its primary and secondary mirrors to attain median image quality...
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In optics, vergence is the angle formed by rays of light that are not perfectly parallel to one another. Rays that move closer to the optical axis as they...
8 KB (1,174 words) - 06:50, 28 March 2022
segments have to be polished to a precise shape and actively aligned by a computer-controlled active optics system using actuators built into the mirror support...
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multiple dishes which have better image resolution but less sensitivity. Active optics Honeycomb mirror Liquid-mirror telescope List of largest optical reflecting...
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observatories Lemaitre, Gérard René (2009). Astronomical Optics and Elasticity Theory: Active Optics Methods. Springer-Verlag. p. 19. ISBN 978-3-540-68904-1...
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geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term τα ὀπτικά meaning 'appearance, look'. Optics was significantly...
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thermal controls, and the active optics give the excellent image quality of the NTT. The NTT has active instead of adaptive optics: it corrects the defects...
33 KB (3,255 words) - 14:04, 22 November 2024
Nonimaging optics (also called anidolic optics) is a branch of optics that is concerned with the optimal transfer of light radiation between a source and...
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and terahertz instrumentation 2005 Stephen Shectman Active optics 2006 Roger Angel Adaptive optics for infra-red spectroscopy 2007 Harvey Moseley Microshutter...
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An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum...
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the 20th century, segmented mirrors to allow larger diameters, and active optics to compensate for gravitational deformation. A mid-20th century innovation...
58 KB (8,186 words) - 05:48, 17 May 2025