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Proposal for a European Adaptive Optics Program to be funded in the frame of FP7. N. Hubin European Southern Observatory. Scope. Status & achievements of OPTICON- JRA1 Status & achievements of the AO WP in the ELT DS The AO European ELT roadmap & Challenges

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Proposal for a european adaptive optics program to be funded in the frame of fp7

Proposal for a European Adaptive Optics Program to be funded in the frame of FP7

N. Hubin

European Southern Observatory


  • Status & achievements of OPTICON- JRA1

  • Status & achievements of the AO WP in the ELT DS

  • The AO European ELT roadmap & Challenges

  • European ELT AO concepts: Demonstrators & pathfinders on existing 8-10 m Facilities

  • Adaptive Optics enabling technologies

  • AO Networking, Coordination & Interfaces

  • Adaptive Optics Access: WHT ELT Test bed Proposal

Ao status achievement in the fp6 opticon jra1
AO status & achievement in the FP6OPTICON-JRA1

Test Facility

1170 actuators Deformable

Secondary Mirror

1.1 m diameter!

Design VLT AO Facility

1.1 m Zerodur

Thin shell

Ao status achievement in the fp6 opticon jra1 2
AO status & achievement in the FP6OPTICON-JRA1 & 2

Design of the

VLT Planet Finder

1370 act. DM

Real-Time Control

2402 detector for wavefront sensing

Ao status achievement in the fp6 jra1 high contrast micro technology
AO status & achievement in the FP6:JRA1: High contrast & Micro-technology

Large stroke 52 act. Micro-DM

1024 channels drive elec.

19 act. electrostatic MOEMS

Toward the

100 actuators


High (1024) Order Test bench

Ao subsystems for 8 m lbt 10m gtc
AO subsystems for 8 m LBT & 10m GTC

Development of the LINC-NIRVANA Ground Layer AO &

Calibration of the Adaptive M2

Telescope simulator for the GTC-AO

Elt design study ao wp
ELT Design study: AO WP

LGS based AO concepts for the European ELT

AO simulations, algorithms & Large DM feasibilities


Fp6 outcomes
FP6 outcomes

  • Thanks to OPTICON:

    • Early enabling technologies crucial for the new AO facilities

    • Designs of three major AO facilities  All approved today!!

    • Advanced R&D in the field of MEMs  Jobs created

    • Keep European leadership in the field of AO on 8-10m

  • Thanks to FP6 ELT Design Study

    • Concepts dev. & simulations of challenging AO systems

    • 2.5 m DM concepts  prototype of technological bricks

    • Novel AO concepts focused on Laser Guide Stars

    • Smart algorithms reducing high computing power

    • Prepare the E-ELT Phase B

Science with elts may require
Science with ELTs may require:

  • Reduced seeing capability over 5-6’ FoV @ all λ

  • Narrow field diffraction limit imaging/spectroscopy (100.6 μm)

  • 30”-1’ continuous FoV diffraction limit imaging in KI bands

  • Ensquared Energy >20% in ~50mas pixel in n directions over 10’ FoV

  • High contrast (10-7 to 10-9) differential imaging/spectroscopy for planet detection and characterization

Because of windshake & tracking errors

ELT may require Adaptive Optics even in seeing limited mode

Adaptive Telescope 

Full sky operation may require multi-LGSs

The european elt roadmap 1 st light ao
The European ELT roadmap: 1st light AO

Commissioning of the Adaptive telescope

with one large DM

NGS Single Conjugate AO

Full sky, Adaptive telescope with seeing reducer

(1st light multi LGSs)

Ground Layer AO + LGSs

Medium Sky Coverage small FoV diffraction limited AO

Laser Tomography AO + LGSs

Toward 2nd light AO

The european elt roadmap 2 nd light ao
The European ELT roadmap: 2nd light AO

Post Focal DMs & MCAO reconstructors

Dedicated AO

LGS Multi- Conjugate AO

Post focal high density DM + high contrast inst.

Dedicated AO

NGS High contrast imaging

Multi- corrected IFUs

Additional LGSs

Dedicated AO

LGS Multi-object AO

European elt adaptive optics concepts demonstrators pathfinders on existing 8 10 m facilities

European ELT Adaptive Optics conceptsDemonstrators & pathfinders on existing 8-10 m Facilities

Vlt ao facility a gl ltao pathfinder for elt

Deformable M2



4 LGSs

Laser Room

VLT AO Facility: A GL & LTAO Pathfinder for ELT

  • Concept of Active/Adaptive Telescope

  • Four Sodium Laser Guide Stars

  • 2 GLAO syst. (GALACSI, GRAAL)

    • 10’ NIR seeing reducer (HAWK-I)

    • 1’ visible seeing reducer (MUSE)

  • Laser Tomography AO: Sr(v)~10%

  • Enabling technologies:

    • 1.1 m convex aspherical Deformable M2, 1170 act.

    • 2 mm Zerodur thin shell

    • Raman fibre laser

    • ~0 noise, 2402 pix., 1kHz WFS-CCD

    • Computing power 200 x NAOS

  • Laboratory testing facility (ASSIST)

    On-sky; 2011-2012

Vlt ao facility pathfinder for elt 1 st light ao
VLT AO Facility pathfinder for ELT 1st light AO

  • 1st light AO facility conceptual design for ELT (SC-GL-LTAO)

  • Development of the VLT AO Facility: Pathfinder for ELT

  • Laboratory & on-sky testing of the AO Facility at the VLT

  • Preliminary design of the ELT 1st light AO facility

  • Specifications of key AO subsystems

    • Large DM & Field stabilization

    • Sodium lasers

    • Real Time computer & wavefront sensors

  • Specific studies on optimum algorithms & calibration strategies

  • Partners: ESO, PHASE*, INAF, Leiden

  • Eligible cost: 7 M€ incl. 70 FTEs, 6 years

  • EC funded: <5 M€


Design of multi object adaptive optics instrument
Design of Multi-Object Adaptive Optics Instrument

  • Conceptual design of an ELT MOAO instrument

  • Laboratory demonstration to validate simulations

  • Critical sub-systems prototyping

  • Develop a VLT on-sky MOAO demonstrator

    • Evaluation of the scientific performance on-sky

    • 5-7 WFS buttons

    • Smart focal plane 3-5 beam steering devices: IFU + imaging

    • NGS or LGS based; with/without Adaptive Secondary

  • Updated conceptual design of the Multi-IFU instrument for ELT

  • Partners: LAM, Phase, ESO

  • Eligible cost: 8 M€ incl. 86 FTEs, 6 years

  • EC funded <4 M€

  • Cost and deliveries to be reviewed

Exo planet detection for elts
Exo-planet detection for ELTs

  • Conceptual design of an ELT High contrast Instrument

    • Opto-mechanical design, interface to telescope

    • End-to-end simulations, feedback from SPHERE development

  • VLT – SPHERE development and laboratory & on-sky testing

  • On-sky demonstration with HOT- + on a segmented telescope

    • Coronagraphy & Post coronagraph Speckles suppression system

    • Co-phasing & AO interactions

  • Prototyping

    • Coronagraphs, Super-polished optics, focal plane WFS

    • Woofer & tweeter MOEMS up to 4K, IFS components

  • Calibration & Post-processing

    • Development of Post processing methods

    • Laboratory & on-sky validation

  • Partners: ESO-LAOG, INSU, PHASE, ETH, INAF, CRAL, Oxford, MPIA, IAC?

  • Eligible cost: 6.6 M€ incl. 59 FTEs, 6 years

  • EC funded <4 M€

Mems based mcao demonstrator
MEMs based MCAO demonstrator

  • Goal: Demonstrate feasibility of a compact post-focal MCAO system for ELT MCAO integrated in the instrument

  • Conceptual design of an ELT integrated MCAO system

  • Dev. of a MOEMS & LGS based MCAO system demonstrator

    • Make use of the VLT multi-LGS & Deformable Secondary Mirror

    • Woofer-tweeter (1k actuators) to overcome MEMs stroke limitations

    • 3 layers (incl. Deformable Secondary Mirror) MCAO at shorter λ

    • 30” FoV with high Strehl uniformity  crowded fields & photometry

  • Laboratory demonstration to validate concept & simulations

  • Specifications of key AO subsystems for ELTs

  • Partners: INAF, ESO, PHASE

  • Eligible cost: 3 M€ incl. 30 FTEs, 6 years

  • EC funded: <2 M€

  • Cost & deliveries to be reviewed

Adaptive optics enabling technologies

Adaptive Optics Enabling technologies

Ao detectors r d
AO detectors R&D

Visible wavefront sensor detector

 see Philippe Feautrier presentation

IR wavefront sensor detector development being launched now by ESO

 Coordination with GEMINI -TMT- AURA etc…

2 5 m deformable mirror design prototyping
2.5 m deformable mirror design & prototyping

  • Goal: Develop baseline & alternative solution

  • Specifications (ESO) + Industrial Call for Tender

  • 3 competitive conceptual designs review (6months)

  • 2 concepts funded: Prototyping  review (12months)

  • 1 concept selected for Preliminary & Final design

  • Thin shell prototype

  • Partner: ESO + others to be identified after CFT (CILAS, SAGEM, TNO-TPD, ADS, Microgate in collaboration with PHASE, LAM, SESO, INAF)

  • Eligible cost: 2.5 M€ (0.3, 0.6, 1, 0.6), 4 years

  • EC funded <1.8 M€

1 2mm pitch large stroke dm r d
1-2mm pitch “large stroke” DM R&D

  • Goal: Develop Woofer & tweeter MDMs solution for compact XAO, MCAO & MOAO systems

  • Woofer & tweeter MDMs Specifications (ESO, INSU, INAF)

  • Industrial Call for Tenders

  • Two x 2 competitive designs & techno brick prototypes (18 months) review

  • Development of one ~3-400 actuators woofer MDMs

  • Development of one 4K actuators tweeter MDMs

  • Partner: ESO, INSU, INAF + others to be identified after CFT (CILAS, BAE, ALPAO, OKO, LETI, IPMS, UKATC ….)

  • Eligible cost: 2.9 M€ (1.2, 0.5, 1.2), 5 years

  • EC funded <2.1 M€

Cryogenic deformable mirror
Cryogenic Deformable Mirror

  • Goal: Develop a cryogenic DM for Mid-IR instrument

  • Conceptual design of the Mid-IR AO system

  • Specifications of the cryogenic DM industrial CFT

  • Two feasibility studies of a cryo-DM + small prototypes

  • Cryogenic testing of the DM prototypes

  • Partner: Leiden, ASTRON, ESO + others to be identified after CFT (TNO, OKO, CILAS, LETI, ALPAO,….)

  • Eligible cost: 0.8 M€ (0.6, 0.2), 3 years

  • EC funded <0.4 M€

  • Cost to be confirmed

Algorithms real time computer
Algorithms & Real-Time Computer

  • Goal: Develop Real-Time Computer for the next generation of AO systems & implement/demonstrate new smart control algorithms

  • Develop a Real-Time Computer platform (SPARTA +) to study new algorithms

  • Develop the next generation of Real Time Computers:

    • Cell Blade Servers  demonstrator

    • Intel Arrays  demonstrator

  • Survey of new emerging technologies

  • Partner: ESO, Durham, PHASE, CRAL, Shaktiware

  • Eligible cost: 1.8 M€, 5 years

  • EC funded <0.9 M€

Sodium laser r d
Sodium laser R&D

  • Goal: Demonstrate feasibility of at least 2 laser demonstrators able to deliver 50W CW, 20W pulsed @ 1kHz.

  • Development in close collaboration with industry

  • Design for 2 fiber lasers, 1 free space solid state & 1 dye laser Enabling experiments (1 year)  review 2 laser solutions

  • Production of the high power prototypes and test results. Choice of the laser to proceed to packaging

  • Laser packaging design including operation issues and final delivery of one complete laser unit. Final tests and report.

  • Partner: ESO, UJF Grenoble, Friedrich-Schiller-Universität: Institut für Angewandte Physik, Institut fuer Physikalische Hoch Technologie, Jena, IPF Technologies Ltd, London

  • Eligible cost: 3.6 M€ (incl. 22FTEs), 5 years

  • EC funded <2 M€

Ao networking coordination
AO Networking & Coordination

  • Two Networks to strengthen an Science-instrument-AO integrated approach:

    • AO specification/performance & instrument designs: 150k€

    • AO facilities performance versus science performance: 150k€

  • One specific AO Network: AO workshops/meetings on hot topics: 250k€

    • High contrast imaging techniques

    • AO Calibration methods and science outputs

    • Post-processing coordination meetings

    • Woofer-tweeter MOAO, MCAO, XAO

    • Smart control algorithms coordination meetings

    • Optimum wavefront sensing coordination meetings

    • Progress & roadmap in AO enabling technologies

      • Lasers, detectors, deformable mirrors, Real time control

Access wht elt test bed proposal

Access:WHT ELT Test bed Proposal

Wht elt test bed proposal
WHT ELT Test bed Proposal

  • Goal: Provide a European ELT LGS test facility at the WHT & carry out LGS risk reductions studies on the E-ELT AO technology roadmap

  • The 4.2 m Alt-Azimuth telescope as test bed facility on La Palma

  • Enhance one of the platforms as an LGS test facility:

    • New optics & electronics enclosures with temperature & humidity control

    • Basic AO observational facilities (derot., acq. Syst., NGS “truth” sensor, NIR imager

    • A low-cost sodium laser (CW fibre-based and/or pulsed modeless)

    • Parallel-beam laser launch option (supported by scatter/fluorescence charac.)

    • Cn2 and Rayleigh profile monitoring

    • Turbulence simulator & selectable feed-through NGS AO system (avoids duplication)

  • Access arrangement: Allocation of telescope nights for the best experiments

  • A series of experiments (next viewgraph)

  • As a final refinement: engineer an installed LGS AO testbed

    • use the experimental results to help define it

    • it will have the unique option for daytime and night-time use with real LGS


  • Pre-agreed mechanism for funding of experimental stages

    • Simulations & system analysis  review  funding of laboratory experiment

    • Laboratory demonstration  review  Access to Telescope time

    • On-sky testing  Test report  Release of X% of remaining funds

    • Flexible re-allocation of resources depending on quality of new proposals

  • Partner: Durham, & many others

  • Eligible cost: 4.5 M€ (1.5, 3) 5 years

  • EC funded <3.4 M€

  • Cost to be reviewed


  • AO results obtained in the frame of FP6 are outstanding

  • AO FP7 proposal built on the same core team

  • AO for ELT: an abundance of challenges!

  • Preliminary roadmap is being developed

  • Focus AO community effort to the agreed roadmap

  • Develop E-ELT AO design & highly relevant demonstrators

  • Develop required enabling technologies & prototypes

  • Invest massively in AO key technologies

  • Access to WHT test bed to explore Sodium LGS solutions

  • Develop a strong European coordination of AO:

    • Full autonomy of the lead institute to manage project development, cost and schedule but…

    • Payments granted based on measurable results & deliverables

    • Minimize I3 management overheads as far as possible

    • Suggestion for money flow:

    • I3 coordinator  AO coordinator  lead institute  partners