Laser Guide Star Adaptive Optics for Astronomy PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Laser Guide Star Adaptive Optics for Astronomy PDF full book. Access full book title Laser Guide Star Adaptive Optics for Astronomy by N. Ageorges. Download full books in PDF and EPUB format.
Author: N. Ageorges
Publisher: Springer Science & Business Media
ISBN: 9401596247
Category : Science
Languages : en
Pages : 362
Get Book Here
Book Description
Adaptive optics allows the theoretical limit of angular resolution to be achieved from a large telescope, despite the presence of turbulence. Thus an eight meter class telescope, such as one of the four in the Very Large Telescope operated by ESO in Chile, will in future be routinely capable of an angular resolution of almost 0.01 arcsec, compared tot he present resolution of about 0.5 arcsec for conventional imaging in good condition. All the world's major telescopes either have adaptive optics or are in the process of building AO systems. It turns out that a reasonable fraction of the sky can be observed using adaptive optics, with moderately good imaging quality, provided imaging in done in the near IR. To move out of the near IR, with its relatively poor angular resolution, astronomers need a laser guide star. There is a layer of Na atoms at approximately 90 km altitude that can be excited by a laser to produce such a source, or Rayleigh scattering can be employed lower in the atmosphere. But the production and use of laser guide stars is not trivial, and the key issues determining their successful implementation are discussed here, including the physics of the Na atom, the cone effect, tilt determination, sky coverage, and numerous potential astronomical applications.
Author: N. Ageorges
Publisher: Springer Science & Business Media
ISBN: 9401596247
Category : Science
Languages : en
Pages : 362
Get Book Here
Book Description
Adaptive optics allows the theoretical limit of angular resolution to be achieved from a large telescope, despite the presence of turbulence. Thus an eight meter class telescope, such as one of the four in the Very Large Telescope operated by ESO in Chile, will in future be routinely capable of an angular resolution of almost 0.01 arcsec, compared tot he present resolution of about 0.5 arcsec for conventional imaging in good condition. All the world's major telescopes either have adaptive optics or are in the process of building AO systems. It turns out that a reasonable fraction of the sky can be observed using adaptive optics, with moderately good imaging quality, provided imaging in done in the near IR. To move out of the near IR, with its relatively poor angular resolution, astronomers need a laser guide star. There is a layer of Na atoms at approximately 90 km altitude that can be excited by a laser to produce such a source, or Rayleigh scattering can be employed lower in the atmosphere. But the production and use of laser guide stars is not trivial, and the key issues determining their successful implementation are discussed here, including the physics of the Na atom, the cone effect, tilt determination, sky coverage, and numerous potential astronomical applications.
Author: Robert K. Tyson
Publisher: CRC Press
ISBN: 1000531368
Category : Technology & Engineering
Languages : en
Pages : 606
Get Book Here
Book Description
Principles of Adaptive Optics describes the foundations, principles, and applications of adaptive optics (AO) and its enabling technologies. This leading textbook addresses the fundamentals of AO at the core of astronomy, high-energy lasers, biomedical imaging, and optical communications. Key Features: Numerous examples to explain and support the underlying principles Hundreds of new references to support the topics that are addressed End-of-chapter questions and exercises A complete system design example threaded through each chapter as new material is introduced
Author: François Roddier
Publisher: Cambridge University Press
ISBN: 052155375X
Category : Science
Languages : en
Pages : 421
Get Book Here
Book Description
Adaptive optics is set to revolutionise the future of astronomy; this is the first book on the subject and is set to become the standard reference.
Author: Alan Corney
Publisher: Oxford University Press, USA
ISBN: 0199211450
Category : Science
Languages : en
Pages : 782
Get Book Here
Book Description
This book discusses many advances in optical physics and is intended mainly for experimentalists. The interaction of electromagnetic radiation with free atoms is introduced using classical or semi-classical calculations wherever possible. Topics discussed include the spontaneous emission of radiation, and atomic beam magnetic resonance experiments.
Author: Daniel J. Schroeder
Publisher: Elsevier
ISBN: 032313856X
Category : Science
Languages : en
Pages : 367
Get Book Here
Book Description
Written by a recognized expert in the field, this clearly presented, well-illustrated book provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today. - Written by a recognized expert in the field - Provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today
Author:
Publisher:
ISBN:
Category : Astronomical instruments
Languages : en
Pages : 642
Get Book Here
Book Description
Author: M. Edward Motamedi
Publisher: SPIE Press
ISBN: 9780819450210
Category : Technology & Engineering
Languages : en
Pages : 640
Get Book Here
Book Description
This book introduces the exciting and fast-moving field of MOEMS to graduate students, scientists, and engineers by providing a foundation of both micro-optics and MEMS that will enable them to conduct future research in the field. Born from the relatively new fields of MEMS and micro-optics, MOEMS are proving to be an attractive and low-cost solution to a range of device problems requiring high optical functionality and high optical performance. MOEMS solutions include optical devices for telecommunication, sensing, and mobile systems such as v-grooves, gratings, shutters, scanners, filters, micromirrors, switches, alignment aids, lens arrays, and hermetic wafer-scale optical packaging. An international team of leading researchers contributed to this book, and it presents examples and problems employing cutting-edge MOEM devices. It will inspire researchers to further advance the design, fabrication, and analysis of MOEM systems.
Author:
Publisher:
ISBN:
Category : Astronomical instruments
Languages : en
Pages : 394
Get Book Here
Book Description
Author: Colin Webb
Publisher: CRC Press
ISBN: 1420050532
Category : Science
Languages : en
Pages : 2779
Get Book Here
Book Description
The invention of the laser was one of the towering achievements of the twentieth century. At the opening of the twenty-first century we are witnessing the burgeoning of the myriad technical innovations to which that invention has led. The Handbook of Laser Technology and Applications is a practical and long-lasting reference source for scientists a
Author: Colin E. Webb
Publisher: CRC Press
ISBN: 9780750309660
Category : Technology & Engineering
Languages : en
Pages : 1218
Get Book Here
Book Description
