'Active optics' diaporamas de présentation

Direct Imaging of Exoplanets

1.4k views • 112 slides

Status of LAMOST

Status of LAMOST. The Large Sky Area Multi-Object Fiber Spectroscopic Telescope. Structure of LAMOST. MA mirror. Fiber Positioning. Fibers. MB mirror. Spectrographs CCDs. Optical System. Basic parameters of LAMOST. 4.5m/6.3m Schmidt telescope

1.01k views • 76 slides

Status of LAMOST

Status of LAMOST. The Large Sky Area Multi-Object Fiber Spectroscopic Telescope. Structure of LAMOST. MA mirror. Fiber Positioning. Fibers. MB mirror. Spectrographs CCDs. Optical System. Basic parameters of LAMOST. 4.5m/6.3m Schmidt telescope

780 views • 76 slides

Status of LAMOST

Status of LAMOST. ZHAO Yongheng National Astronomical Observatories of China. Structure of LAMOST. MA mirror. Fiber Positioning. Fibers. MB mirror. Spectrographs CCDs. Ma: reflecting corrector (24 sub-mirrors) ~ 4.9m Mb: spherical mirror (37 sub-mirrors) ~ 6.1m.

783 views • 63 slides

708 views • 53 slides

Future Giant Telescope (FGT) Projects and Their Technological Challenges

Future Giant Telescope (FGT) Projects and Their Technological Challenges. IAU Joint Discussion 8 July 17, 2003 Larry Stepp. Outline. Introduction: how FGTs will advance beyond current-generation telescopes A brief history of FGTs Current concepts for FGTs

853 views • 52 slides

1445 Introductory Astronomy I

1445 Introductory Astronomy I. Chapter 3 Light and Telescopes R. S. Rubins Fall, 2010. The Speed of Light 1. Aristotle (ca. 360 BCE) thought the speed of light to be infinite, while Galileo (ca.1600) found it too fast to measure.

688 views • 52 slides

Direct Imaging of Exoplanets

664 views • 49 slides

Direct Imaging of Exoplanets

517 views • 49 slides

LAMOST

LAMOST. Yongheng Zhao (NAOC) Very Wide Field Surveys in the Light of Astro2010 Baltimore, 15 June 2011. A national large scientific project Started in 1997 Inauguration in October 2008 Checked and accepted by national government in June 2009 now in commissioning stage

621 views • 41 slides

The 1.6 m Off-Axis Solar Telescope for BBSO

The 1.6 m Off-Axis Solar Telescope for BBSO. Philip R. Goode Big Bear Solar Observatory Center for Solar-Terrestrial Research New Jersey Institute of Technology. 1.6 m off-axis solar telescope Largest aperture solar telescope Largest aperture off-axis telescope Team of BBSO/UH/KASSI

338 views • 33 slides

OWL Copenhagen, July 2004

286 views • 28 slides

Status of the NST

Status of the NST. Philip R. Goode Big Bear Solar Observatory Center for Solar-Terrestrial Research New Jersey Institute of Technology. Big Bear Solar Observatory

223 views • 21 slides

Position sensing in Adaptive Optics

Position sensing in Adaptive Optics. Christopher Saunter Durham University Centre for Advanced Instrumentation Durham Smart Imaging. Active Optics Adaptive Optics. Active Optics. Relaxing the mechanical rigidity of a telescope support structure Compensating with actively aligned mirrors

225 views • 20 slides

Aligning robotic telescopes within the inversion layer (the life of the robotic optician)

279 views • 18 slides

LBTO PSF Subsystem

LBTO PSF Subsystem. April 24, 2007 Chris Biddick. 1 cjb. Introduction. The Point Spread Function Subsystem (PSF) controls the optical collimation and active optics on one telescope side Primary mirror collimation Secondary mirror (hexapod) collimation Tertiary mirror collimation

318 views • 18 slides

Telescopes & Light: Part 3 All About Observing

Telescopes & Light: Part 3 All About Observing. Detectors. CCDs (charge-coupled devices), much like what is found in your digital cameras, are used to produce images with telescopes (CCD is placed where the eyepiece would normally go).

191 views • 13 slides

LBT Q4 2007 Engineering Review

176 views • 6 slides