• Thumbnail for Active optics
    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
  • Thumbnail for Adaptive optics
    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
  • Thumbnail for History of the telescope
    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
  • Thumbnail for Daniel K. Inouye Solar Telescope
    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...
    16 KB (1,620 words) - 19:55, 22 October 2024
  • Thumbnail for New Technology Telescope
    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...
    6 KB (755 words) - 20:04, 22 October 2024
  • Thumbnail for Vera C. Rubin Observatory
    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
  • Thumbnail for VLT Survey Telescope
    The secondary mirror is actively controlled by a deformable platform able to tilt the mirror during exposure. The active optics system also includes a...
    16 KB (1,986 words) - 04:42, 12 April 2025
  • Thumbnail for Nordic Optical Telescope
    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...
    5 KB (564 words) - 17:25, 20 November 2024
  • Thumbnail for List of largest optical reflecting telescopes
    for stable atmosphere and favorable climate conditions, and active optics and adaptive optics to correct for much of atmospheric turbulence allow the largest...
    32 KB (1,344 words) - 15:32, 22 April 2025
  • 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...
    5 KB (470 words) - 05:04, 10 November 2024
  • Thumbnail for LAMOST
    LAMOST (section Optics)
    million yuan. LAMOST is configured as a reflective Schmidt telescope with active optics. There are two mirrors, each made up of a number of 1.1-metre (p-p)...
    7 KB (933 words) - 14:05, 24 September 2024
  • Thumbnail for European Southern Observatory
    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...
    61 KB (5,370 words) - 04:28, 8 March 2025
  • Thumbnail for Giant Magellan Telescope
    mechanical vibrations. The "cell" primary mirror support system contains "active optics" with pneumatic actuators that will push on the back of the primary...
    38 KB (3,774 words) - 02:42, 30 May 2025
  • Electro–optics is a branch of electrical engineering, electronic engineering, materials science, and material physics involving components, electronic...
    3 KB (308 words) - 11:59, 9 April 2024
  • Thumbnail for Overwhelmingly Large Telescope
    could reveal the presence of molecules indicative of life). Active optics Adaptive optics Extremely Large Telescope Giant Magellan Telescope List of optical...
    6 KB (578 words) - 05:03, 30 April 2025
  • Thumbnail for Optics
    Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments...
    107 KB (12,886 words) - 21:46, 13 May 2025
  • Thumbnail for W. M. Keck Observatory
    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...
    23 KB (2,398 words) - 02:28, 20 May 2025
  • Thumbnail for Mirror support cell
    six position actuators and the 160 pneumatic actuators which work its active optics system. This results in a huge assembly structure weighing about 28...
    5 KB (512 words) - 19:47, 11 January 2022
  • Thumbnail for 3.6m Devasthal Optical Telescope
    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...
    3 KB (311 words) - 17:42, 26 October 2024
  • Thumbnail for Southern Astrophysical Research Telescope
    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...
    5 KB (491 words) - 02:33, 20 May 2025
  • Thumbnail for Vergence (optics)
    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
  • Thumbnail for Segmented mirror
    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...
    11 KB (1,246 words) - 22:24, 20 December 2024
  • Thumbnail for Primary mirror
    multiple dishes which have better image resolution but less sensitivity. Active optics Honeycomb mirror Liquid-mirror telescope List of largest optical reflecting...
    7 KB (596 words) - 03:56, 26 November 2024
  • Thumbnail for Nasmyth telescope
    observatories Lemaitre, Gérard René (2009). Astronomical Optics and Elasticity Theory: Active Optics Methods. Springer-Verlag. p. 19. ISBN 978-3-540-68904-1...
    3 KB (405 words) - 16:55, 19 February 2025
  • Thumbnail for History of optics
    geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term τα ὀπτικά meaning 'appearance, look'. Optics was significantly...
    45 KB (5,748 words) - 22:53, 12 May 2025
  • Thumbnail for La Silla Observatory
    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...
    44 KB (5,838 words) - 23:50, 15 February 2025
  • and terahertz instrumentation 2005 Stephen Shectman Active optics 2006 Roger Angel Adaptive optics for infra-red spectroscopy 2007 Harvey Moseley Microshutter...
    3 KB (98 words) - 19:11, 10 June 2023
  • 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...
    50 KB (6,215 words) - 10:46, 5 May 2025
  • Thumbnail for Optical telescope
    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