52 Anisoplanatic PPTs View free & download

The Anisoplanatic Point Spread Function in Adaptive Optics PowerPoint PPT Presentation

The Anisoplanatic Point Spread Function in Adaptive Optics - OTF(r) = e-Dapl(r)/2 OTFgs(r) Turbulence profile. Cn2(z) Zenith angle. z. Obs. wavelength. l. Aperture diameter. D. G.S. angular offset. q. Dapl(r) depends on ...

OTF(r) = e-Dapl(r)/2 OTFgs(r) Turbulence profile. Cn2(z) Zenith angle. z. Obs. wavelength. l. Aperture diameter. D. G.S. angular offset. q. Dapl(r) depends on ...

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Adaptive Optics Nicholas Devaney GTC project, Instituto de Astrofisica de Canarias PowerPoint PPT Presentation

Adaptive Optics Nicholas Devaney GTC project, Instituto de Astrofisica de Canarias - Adaptive Optics Nicholas Devaney GTC project, Instituto de Astrofisica de Canarias 1. Principles 2. Multi-conjugate 3. Performance & challenges Anisoplanatic Error ...

Adaptive Optics Nicholas Devaney GTC project, Instituto de Astrofisica de Canarias 1. Principles 2. Multi-conjugate 3. Performance & challenges Anisoplanatic Error ...

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Scaling%20Multi-Conjugate%20Adaptive%20Optics%20Performance%20Estimates%20to%20Extremely%20Large%20Telescopes PowerPoint PPT Presentation

Scaling%20Multi-Conjugate%20Adaptive%20Optics%20Performance%20Estimates%20to%20Extremely%20Large%20Telescopes - Gemini AO Program ... Anisoplanatic effects (FOV; DM conjugates; LGS/NGS constellation) DM/WFS fitting error ... Fixed DM conjugates and guide star constellation ...

Gemini AO Program ... Anisoplanatic effects (FOV; DM conjugates; LGS/NGS constellation) DM/WFS fitting error ... Fixed DM conjugates and guide star constellation ...

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Calibration%20issues%20for%20OWL PowerPoint PPT Presentation

Calibration%20issues%20for%20OWL - General 'easy' questions like for 8-10m class telescope = Finding standards ... How does it work with 5 guide star (MCAO case)? NACO images (courtesy D. Rouan) ...

General 'easy' questions like for 8-10m class telescope = Finding standards ... How does it work with 5 guide star (MCAO case)? NACO images (courtesy D. Rouan) ...

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Atmospheric Turbulence and Astronomical Adaptive Optics - Atmospheric Turbulence and Astronomical Adaptive Optics

Atmospheric Turbulence and Astronomical Adaptive Optics

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NGAO Photometry PowerPoint PPT Presentation

NGAO Photometry - Matthew Britton, Rich Dekany, Ralf Flicker, Claire Max, Chris Neyman, and Knut Olsen ... The Cn2 and wind profiles vary significantly on timescales of minutes ...

Matthew Britton, Rich Dekany, Ralf Flicker, Claire Max, Chris Neyman, and Knut Olsen ... The Cn2 and wind profiles vary significantly on timescales of minutes ...

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Adaptive Optics in the VLT and ELT era Laser Guide Stars PowerPoint PPT Presentation

Adaptive Optics in the VLT and ELT era Laser Guide Stars - Adaptive Optics in the VLT and ELT era Laser Guide Stars Fran ois Wildi Observatoire de Gen ve

Adaptive Optics in the VLT and ELT era Laser Guide Stars Fran ois Wildi Observatoire de Gen ve

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The Point Spread Function of a Laser Guide Star Adaptive Optics System PowerPoint PPT Presentation

The Point Spread Function of a Laser Guide Star Adaptive Optics System - The long exposure PSF delivered by an NGS or LGS AO system varies in ... Tweeter Phase Variance in a Woofer/Tweeter AO Architecture. The PSF of an LGS System ...

The long exposure PSF delivered by an NGS or LGS AO system varies in ... Tweeter Phase Variance in a Woofer/Tweeter AO Architecture. The PSF of an LGS System ...

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Principles, Performance and Limitations of Multi-conjugate Adaptive Optics F.Rigaut 1, B.Ellerbroek 1 and R.Flicker 2 1Gemini Observatory 2Lund Observatory Talk available at www.gemini.edu (adaptive optics documents page) - Principles, Performance and Limitations of Multi-conjugate Adaptive Optics. F.Rigaut 1, B.Ellerbroek 1 and R.Flicker 2. 1Gemini Observatory. 2Lund Observatory ...

Principles, Performance and Limitations of Multi-conjugate Adaptive Optics. F.Rigaut 1, B.Ellerbroek 1 and R.Flicker 2. 1Gemini Observatory. 2Lund Observatory ...

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Adaptive Optics in the VLT and ELT era Beyond Basic AO PowerPoint PPT Presentation

Adaptive Optics in the VLT and ELT era Beyond Basic AO - Adaptive Optics in the VLT and ELT era Beyond Basic AO Fran ois Wildi Observatoire de Gen ve * Usual stuff * * * Usual stuff * Numerical simulation tools written at ...

Adaptive Optics in the VLT and ELT era Beyond Basic AO Fran ois Wildi Observatoire de Gen ve * Usual stuff * * * Usual stuff * Numerical simulation tools written at ...

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Laser Guide Stars, Part 2 Lecture 11 PowerPoint PPT Presentation

Laser Guide Stars, Part 2 Lecture 11 - Saturation effects in the Na layer, from Kibblewhite's paper ... Saturation, continued ... Disadvantages: potential saturation, less efficient excitation of ...

Saturation effects in the Na layer, from Kibblewhite's paper ... Saturation, continued ... Disadvantages: potential saturation, less efficient excitation of ...

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Adaptive Optics Nicholas Devaney GTC project, Instituto de Astrofisica de Canarias - This approach is employed in the Altair system on Gemini North. Multi-Conjugate AO ... The probability of finding constellations' of bright, nicely distributed ...

This approach is employed in the Altair system on Gemini North. Multi-Conjugate AO ... The probability of finding constellations' of bright, nicely distributed ...

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Analytical modeling of astronomical AO PowerPoint PPT Presentation

Analytical modeling of astronomical AO - Ellerbroek, B. CIBOLA code, includes correlation between phase components, modal ... 4- Control System time-lag (new term, includes LGS cone effect) 5- WFS ...

Ellerbroek, B. CIBOLA code, includes correlation between phase components, modal ... 4- Control System time-lag (new term, includes LGS cone effect) 5- WFS ...

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Behind the Buzzwords The basic physics of adaptive optics PowerPoint PPT Presentation

Behind the Buzzwords The basic physics of adaptive optics - Show Gemini. AO animation. Measuring AO performance. Intensity. x ... Gemini comparison of Shack-Hartmann and curvature ... Vertical profile of turbulence ...

Show Gemini. AO animation. Measuring AO performance. Intensity. x ... Gemini comparison of Shack-Hartmann and curvature ... Vertical profile of turbulence ...

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Widening the Scope of Adaptive Optics PowerPoint PPT Presentation

Widening the Scope of Adaptive Optics - Guide Star. Companion. OTFgs * ATF = OTFoa. Turbulence theory. Cn2 profile ... Guide star configuration. How the adaptive mirrors are deployed. Zenith angle ...

Guide Star. Companion. OTFgs * ATF = OTFoa. Turbulence theory. Cn2 profile ... Guide star configuration. How the adaptive mirrors are deployed. Zenith angle ...

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ShackHartmann tomographic wavefront reconstruction using LGS: Analysis of spot elongation and fratri PowerPoint PPT Presentation

ShackHartmann tomographic wavefront reconstruction using LGS: Analysis of spot elongation and fratri - Shack-Hartmann tomographic wavefront reconstruction using LGS: Analysis of spot ... Telescope diameter 21 m, 42x42 sous-pupilles, central occultation factor 0.3 ...

Shack-Hartmann tomographic wavefront reconstruction using LGS: Analysis of spot ... Telescope diameter 21 m, 42x42 sous-pupilles, central occultation factor 0.3 ...

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Point Spread Function Measurement and Analysis PowerPoint PPT Presentation

Point Spread Function Measurement and Analysis - ... and S3 values generated from noise-free simulations as part of the CfAO Strehl study. ... Further analysis on noisy simulations needed. ...

... and S3 values generated from noise-free simulations as part of the CfAO Strehl study. ... Further analysis on noisy simulations needed. ...

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Lecture 5: Atmospheric Turbulence: r0, 0, 0 PowerPoint PPT Presentation

Lecture 5: Atmospheric Turbulence: r0, 0, 0 - Homework number 3 due Tues Jan 29 (assignment is on the web) Reading assignments for Thurs January 24th and ... PDF files and discussion/chat rooms are on WebCT ...

Homework number 3 due Tues Jan 29 (assignment is on the web) Reading assignments for Thurs January 24th and ... PDF files and discussion/chat rooms are on WebCT ...

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PILOT: Pathfinder for an International Large Optical Telescope -performance specifications PowerPoint PPT Presentation

PILOT: Pathfinder for an International Large Optical Telescope -performance specifications - Title: No Slide Title Author: J.S.Lawrence Last modified by: Michael Burton Created Date: 8/23/2000 11:50:54 AM Document presentation format: On-screen Show

Title: No Slide Title Author: J.S.Lawrence Last modified by: Michael Burton Created Date: 8/23/2000 11:50:54 AM Document presentation format: On-screen Show

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A Short Introduction to Adaptive Optics Presentation for NGAO Controls Team PowerPoint PPT Presentation

A Short Introduction to Adaptive Optics Presentation for NGAO Controls Team - Short exposure images of the stars Gamma Perseus and Alpha ... Without atmosphere, the telescope forms a perfect 'diffraction-limited' ... Anti-reflection ...

Short exposure images of the stars Gamma Perseus and Alpha ... Without atmosphere, the telescope forms a perfect 'diffraction-limited' ... Anti-reflection ...

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Instrumentation Concepts Groundbased Optical Telescopes PowerPoint PPT Presentation

Instrumentation Concepts Groundbased Optical Telescopes - Review just to give you the flavour (I will be ... Nematic. continuously variable phase screens ... Generation of astigmatism using a 69-element nematic LC ...

Review just to give you the flavour (I will be ... Nematic. continuously variable phase screens ... Generation of astigmatism using a 69-element nematic LC ...

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NIFS: Australias First Gemini Instrument - NIFS: Australias First Gemini Instrument

NIFS: Australias First Gemini Instrument

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Keck Precision Adaptive Optics PowerPoint PPT Presentation

Keck Precision Adaptive Optics - ... as delivering stable high Strehl ratio infrared images in moderate field-of ... of the scientific advances in high-resolution imaging are currently thought to be. ...

... as delivering stable high Strehl ratio infrared images in moderate field-of ... of the scientific advances in high-resolution imaging are currently thought to be. ...

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Outline - Outline AO Imaging Constrained Blind Deconvolution Algorithm Application - Quantitative measurements Future Directions References Adaptive Optics Imaging With AO ...

Outline AO Imaging Constrained Blind Deconvolution Algorithm Application - Quantitative measurements Future Directions References Adaptive Optics Imaging With AO ...

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Requirements for AOELT PowerPoint PPT Presentation

Requirements for AOELT - At large telescopes, dominant AO error comes. from the high ... (SQS) is not optimal even for 8-m telescopes ... internal monitor on 8-m telescopes ...

At large telescopes, dominant AO error comes. from the high ... (SQS) is not optimal even for 8-m telescopes ... internal monitor on 8-m telescopes ...

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MultiConjugate Adaptive Optics from VLTs to ELTs PowerPoint PPT Presentation

MultiConjugate Adaptive Optics from VLTs to ELTs - MultiObject AO [MOAO] Falcon study. Extra-galactic 3D spectrocopy ... Falcon: H band VLT obs. in 25' FoV. 60 GS for WFS. 15 to 20 IFU on galaxies ...

MultiObject AO [MOAO] Falcon study. Extra-galactic 3D spectrocopy ... Falcon: H band VLT obs. in 25' FoV. 60 GS for WFS. 15 to 20 IFU on galaxies ...

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Keck Precision AO (KPAO) PowerPoint PPT Presentation

Keck Precision AO (KPAO) - Flicker and Neyman has been working on analysis and computer simulations that ... Based on F. Rigaut's AO simulation (YAO), Modified by Flicker for KPAO ...

Flicker and Neyman has been working on analysis and computer simulations that ... Based on F. Rigaut's AO simulation (YAO), Modified by Flicker for KPAO ...

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Part 1: Image Motion Part 2: AO System Optimization Lecture 8 PowerPoint PPT Presentation

Part 1: Image Motion Part 2: AO System Optimization Lecture 8 - Wind buffeting of telescope (hard to model a priori) Atmospheric turbulence ... Keck Telescope: D = 10 m, r0 = 0.2 m, l = 2 microns ...

Wind buffeting of telescope (hard to model a priori) Atmospheric turbulence ... Keck Telescope: D = 10 m, r0 = 0.2 m, l = 2 microns ...

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From NAOS to the future SPHERE Extreme AO system PowerPoint PPT Presentation

From NAOS to the future SPHERE Extreme AO system - From NAOS to the future SPHERE Extreme AO system ... Extreme AO for direct detection of extrasolar planets ... Chromatism effects. contrast. GAINS LOSSES ...

From NAOS to the future SPHERE Extreme AO system ... Extreme AO for direct detection of extrasolar planets ... Chromatism effects. contrast. GAINS LOSSES ...

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UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono - UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono

UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono

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John OByrne - Science objectives - e.g. GEMINI ... most recently Hokupa'a on GEMINI http://www.ifa.hawaii.edu/ao ... GEMINI. Adaptive Optics. 30. Keck. Keck I AO image in H ...

Science objectives - e.g. GEMINI ... most recently Hokupa'a on GEMINI http://www.ifa.hawaii.edu/ao ... GEMINI. Adaptive Optics. 30. Keck. Keck I AO image in H ...

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Outline - Investigated using dense crowded field data from Gemini/Hokupa'a commisioning data. ... The x and y differences are shown by the appropriate symbols. ...

Investigated using dense crowded field data from Gemini/Hokupa'a commisioning data. ... The x and y differences are shown by the appropriate symbols. ...

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WMKO Next Generation AO system: project status report PowerPoint PPT Presentation

WMKO Next Generation AO system: project status report - Taylor frozen flow temporal dynamics. Order 60x60 MCAO. SCAO, LTAO, MCAO. Initial ... Maui MALT median 3.60x10-9 atoms cm-2. Anchored to LLNL dye laser data ...

Taylor frozen flow temporal dynamics. Order 60x60 MCAO. SCAO, LTAO, MCAO. Initial ... Maui MALT median 3.60x10-9 atoms cm-2. Anchored to LLNL dye laser data ...

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Design Team Report: Acquisition and Diagnostics PowerPoint PPT Presentation

Design Team Report: Acquisition and Diagnostics - Acquisition time, conditions (full moon, dark sky), limiting magnitude (how faint) ... Are current calibration methods sufficient. Deliverables ...

Acquisition time, conditions (full moon, dark sky), limiting magnitude (how faint) ... Are current calibration methods sufficient. Deliverables ...

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PILOT: Pathfinder for an International Large Optical Telescope performance specifications - 13.5 arcsec fG = 7 Hz. CN2 profile Mauna Kea iso = 2 arcsec fG = 50 Hz ... Gemini altair. Diff lim 8 m. Sky emission. MK. Emission = 5% @ 0 C. Sky emission ...

13.5 arcsec fG = 7 Hz. CN2 profile Mauna Kea iso = 2 arcsec fG = 50 Hz ... Gemini altair. Diff lim 8 m. Sky emission. MK. Emission = 5% @ 0 C. Sky emission ...

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Image Processing and Deconvolution PowerPoint PPT Presentation

Image Processing and Deconvolution - steepest descent search a la least squares. Lucy Richardson (LR) ... Ayers & Dainty, 'Iterative blind deconvolution and its applications' , Opt. Lett. ...

steepest descent search a la least squares. Lucy Richardson (LR) ... Ayers & Dainty, 'Iterative blind deconvolution and its applications' , Opt. Lett. ...

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Lecture 16 The applications of tomography: MCAO, MOAO, GLAO PowerPoint PPT Presentation

Lecture 16 The applications of tomography: MCAO, MOAO, GLAO - NGS, Mauna Kea Atmospheric Profile. 2 DMs / 5 NGS. 320 stars / K band / 0.7'' seeing ... Gemini South MCAO. Credit: Eric James & Brent Ellerbroek, Gemini ...

NGS, Mauna Kea Atmospheric Profile. 2 DMs / 5 NGS. 320 stars / K band / 0.7'' seeing ... Gemini South MCAO. Credit: Eric James & Brent Ellerbroek, Gemini ...

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MCAO for Gemini South Preliminary Design Review PowerPoint PPT Presentation

MCAO for Gemini South Preliminary Design Review - Subset of MCAO system with a single DM, WFS, LGS. Designs fully compatible ... Friday PM session restricted to the committee, vendors, and Gemini management chain ...

Subset of MCAO system with a single DM, WFS, LGS. Designs fully compatible ... Friday PM session restricted to the committee, vendors, and Gemini management chain ...

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Lecture 4: Propagation of light through atmospheric turbulence PowerPoint PPT Presentation

Lecture 4: Propagation of light through atmospheric turbulence - ... V. I. Tatarski, 1961, 'Wave Propagation in a Turbulent Medium', McGraw-Hill, NY ... Note that Quirrenbach and Hardy call this function but I've called it C (r) in ...

... V. I. Tatarski, 1961, 'Wave Propagation in a Turbulent Medium', McGraw-Hill, NY ... Note that Quirrenbach and Hardy call this function but I've called it C (r) in ...

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Lecture 16 The applications of tomography: MCAO, MOAO, GLAO - Extreme AO for imaging planets around nearby stars ... Credit: J-M Conan. GLAO uses 1 ground-conjugated DM, corrects near-ground turbulence ...

Extreme AO for imaging planets around nearby stars ... Credit: J-M Conan. GLAO uses 1 ground-conjugated DM, corrects near-ground turbulence ...

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MUSE ASSIST and GLAO Update PowerPoint PPT Presentation

MUSE ASSIST and GLAO Update - MUSE - ASSIST and GLAO Update. Remko Stuik and Ralf Flicker. Leiden Observatory ... MUSE AO - MUSE. AO Technical Specifications. LGS positioning. On the edge ...

MUSE - ASSIST and GLAO Update. Remko Stuik and Ralf Flicker. Leiden Observatory ... MUSE AO - MUSE. AO Technical Specifications. LGS positioning. On the edge ...

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Lecture 6: TipTilt and Wavefront Sensing PowerPoint PPT Presentation

Lecture 6: TipTilt and Wavefront Sensing - Shack-Hartmann: size of spot limited to / d, where d is size of a sub-aperture ... So spot can be D/r0 = 20 - 100 times smaller than for Shack-Hartmann ...

Shack-Hartmann: size of spot limited to / d, where d is size of a sub-aperture ... So spot can be D/r0 = 20 - 100 times smaller than for Shack-Hartmann ...

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Wide Field AO simulation for ELT: Fourier and E2E approaches PowerPoint PPT Presentation

Wide Field AO simulation for ELT: Fourier and E2E approaches - Optimization of simulation tools for: XAO analysis (VLT, ELT) ... Use of sparse matrix (gain in memory) (R. Flicker-SOI) (Cholesky) Thresholding needed ...

Optimization of simulation tools for: XAO analysis (VLT, ELT) ... Use of sparse matrix (gain in memory) (R. Flicker-SOI) (Cholesky) Thresholding needed ...

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Tomography for WideField Adaptive Optics PowerPoint PPT Presentation

Tomography for WideField Adaptive Optics - Index of refraction varies in the volume of air ... The rest of the change is due to Huygens' wavelets (i.e. diffraction): which is significant if ...

Index of refraction varies in the volume of air ... The rest of the change is due to Huygens' wavelets (i.e. diffraction): which is significant if ...

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AO concepts for extremely large telescopes PowerPoint PPT Presentation

AO concepts for extremely large telescopes - AO concepts for extremely large telescopes Rich Dekany Jet Propulsion Laboratory Richard.Dekany@jpl.nasa.gov Today s show... Extremely Large Telescopes Historical ...

AO concepts for extremely large telescopes Rich Dekany Jet Propulsion Laboratory Richard.Dekany@jpl.nasa.gov Today s show... Extremely Large Telescopes Historical ...

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How to be a savvy consumer and user of adaptive optics Lecture 12 PowerPoint PPT Presentation

How to be a savvy consumer and user of adaptive optics Lecture 12 - What questions to ask when you get to the telescope. Observing ... Movie: NGS to LGS AO. Page 11. Structure in extended objects ... Get twilight flats. Page 37 ...

What questions to ask when you get to the telescope. Observing ... Movie: NGS to LGS AO. Page 11. Structure in extended objects ... Get twilight flats. Page 37 ...

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NGAO System Design Phase Update PowerPoint PPT Presentation

NGAO System Design Phase Update - Includes conceptual design (with options), initial cost ... Who is doing what, and what % of time is each person devoting to NGAO? Details in project plan. ...

Includes conceptual design (with options), initial cost ... Who is doing what, and what % of time is each person devoting to NGAO? Details in project plan. ...

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IRIS OIWFS Concept Study D' Loop1, M' Fletcher1, V' Reshetov1, R' Wooff1, J' Dunn1, G' Herriot1 A' M PowerPoint PPT Presentation

IRIS OIWFS Concept Study D' Loop1, M' Fletcher1, V' Reshetov1, R' Wooff1, J' Dunn1, G' Herriot1 A' M - A. Moore2, R. Dekany2, A. Delacroix2, R. Smith2, D. Hale2, ... the On-Instrument low order natural guide star WaveFront Sensors (OIWFS) for the ...

A. Moore2, R. Dekany2, A. Delacroix2, R. Smith2, D. Hale2, ... the On-Instrument low order natural guide star WaveFront Sensors (OIWFS) for the ...

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UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono - UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono

UCOLick Laboratory for Adaptive Optics Developing Adaptive Optics for the Next Generation of Astrono

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Keck NGAO Science Requirements PowerPoint PPT Presentation

Keck NGAO Science Requirements - Higher faint-source sensitivity than Keck NGAO (very low backgrounds) ... galactic nuclei and quasi-stellar objects on spatial scales smaller than 100 pc ...

Higher faint-source sensitivity than Keck NGAO (very low backgrounds) ... galactic nuclei and quasi-stellar objects on spatial scales smaller than 100 pc ...

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Performance Budget Development Team Meeting PowerPoint PPT Presentation

Performance Budget Development Team Meeting - An observing mode is a particular choice of AO and instrument settings selected ... Chromatism and other non-common-path chromatic effects ...

An observing mode is a particular choice of AO and instrument settings selected ... Chromatism and other non-common-path chromatic effects ...

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TMT.AOS.PRE.09.024.REL01 PowerPoint PPT Presentation

TMT.AOS.PRE.09.024.REL01 - Imaging of Extra-Solar Planets (Gemini) Galactic Center Astrometry (Keck) ... Sodium layer profile. Input Disturbance: AO System Responses: LGS sub-aperture image ...

Imaging of Extra-Solar Planets (Gemini) Galactic Center Astrometry (Keck) ... Sodium layer profile. Input Disturbance: AO System Responses: LGS sub-aperture image ...

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Anisoplanatic PowerPoint PPT Presentations