CEDRAT Technologies gPiezo Actuators for

Astronomical InstrumentationE-ELT Day

November, 26th 2010 ,

ContentsContents

Cedrat Technologies Activities

Pi A f S APiezo Actuators for Space Astronomy

Piezo Actuators for Ground AstronomyPiezo Actuators for Ground Astronomy

02/02/2010 Confidential - 2

CEDRAT GroupCEDRAT Group

2 companies active in Electric Engineering2 companies active in Electric EngineeringTotal Turnover of 7 M€ & 90 people

R&D, Training & Products in Mechatronics

• New magnetic devices

S t St t & M t i lCEDRAT • Smart Structures & Materials

• Actuators & mechatronic systems

Sensors & detection systems

CEDRAT Technologies

CAD Software for Mechatronics

• Sensors & detection systems

• CAD for magnetic devices & mechatronics :

• FLUX, INCA, SPEED, MOTORCAD, PORTUNUS…CEDRAT

02/02/2010 Confidential - 3

Piezo Actuators Motors & SystemsPiezo Actuators, Motors & Systems

XY25XS piezo micro-scanner for IR Camera

(courtesy of Thales)

CEDRAT Amplified Piezo Actuators APA (Thanks to CNES)

( y )

Pi Tilt T l t

02/02/2010 Confidential - 4

Micro Stepping Piezo Motors ElectronicsPiezo Tilt Translator

TT60SM

CEDRAT TECH Software FacilitiesCEDRAT TECH. Software Facilities

FLUXFLUXATILAI-DEASSOLIDWORKSMATLABSIMULINKSPICELABVIEW RT ATILA FEA of aFLUX VC-1 I-DEAS FEA ofLABVIEW RT ATILA FEA of a

piezo transducer FLUX VC 1 magnetic FEA

I-DEAS FEA of launching vibration

SIMULINK analysis of a close loop for APAs Solidworks VC-1 Labview RT for FPGA controlers

02/02/2010 Confidential - 5

SIMULINK analysis of a close loop for APAsassembly

Labview RT for FPGA controlers

CustomersCustomers

Air&space Automotive Electronic Energy Medical ProductionAir&space, Automotive, Electronic, Energy, Medical, Production

02/02/2010 Confidential - 6

Piezo Actuators for Space Astronomyp y

Piezo Actuators & Electronics : Space Applications : Current heritageSpace Applications : Current heritage

Mission Costumer Current statusRosetta/Midas ESA/ESTEC SCI SO (NL) Flying (Launched on Feb 2004)ISS/ACES/Pharao/MEF EADS Sodern (F) Flight Model deliveredISS/ACES/Pharao/LCE EADS Sodern (F) Flight Model deliveredADM-Aeolus/Aladin/TXA Galileo Avionica (IT) Flight model delivered

Classified Thalès Optronics (FR/UK)Recurrent qualified model

deliveredFOTON M3/DIMAC Redshift (BE) Flying (launched on Sept. 2007)LISA-PF/LMU/OPDA Oerlikon Space (CH) Flight Model deliveredPICARD/Sodism/SMP CNRS Aeronomie (F) Flight Model deliveredMARS-MSL/CHEMIN NASA-JPL (US) Engineering Model deliveredMARS-MSL/SAM NASA-GSFC (US) Flight Model deliveredSWARM / Magnetometer CEA-LETI (F) Flight Model in integrationLISA/PAAM TNO (NL) Engineering Model deliveredLISA/PAAM TNO (NL) Engineering Model deliveredISS/MISSE Univ. Of Florida (US) Flight model deliveredEARTHCARE/ATLID/

TXA Galileo Avionica (IT) Engineering Model delivered

02/02/2010 Confidential - 8

( ) g gMTG SENER (SP) Engineering Model delivered

PHARAO Piezo Tilt : Fl E ilib i M h iFlux Equilibrium Mechanism

DTT35XS PHARAO Tip Tilt Mass = 15 gr (2gr per actuator) Rx, Ry = +/- 2mrad (Tz = 20µm is not used), y / ad ( 0µ s ot used) Positioning Precision = 1µrad rms Temperature = -40°C / +75°C Passed qualifications :Passed qualifications :

Life time Vibration Shocks Thermal Vacuum cycling Non magnetism ...

02/02/2010 Confidential - 9

PHARAO Piezo Tilt : Fl E ilib i M h iFlux Equilibrium Mechanism

DTT35XS PHARAO Double tilt : a space MOEMSBatch of 10 Qualification Models of DTT35XS in casing delivered to EADS Sodern (Jan 2003) to EADS Sodern (Jan 2003) Batch of 8 Flight Models delivered to EADS (July 2006)

Qualification Models of the PHARAO/MEF space piezo mechanisms based on 4 APA35XSAPA35XS

(courtesy of EADS)

02/02/2010 Confidential - 10

LISA Pathfinder Laser Modulation unitLISA Pathfinder Laser Modulation unit

LISA-PF OPDA Mechanism (optical delay line)LISA PF OPDA Mechanism (optical delay line)APA60S moving a guided triple-prism Metrology of the mechanism : accuracy of 10 µm

LISA OAM h i f CEDRAT t OERLIKON

02/02/2010 Confidential - 11

LISA OAM mechanism from CEDRAT to OERLIKON

LISA Point Ahead Angle MechanismLISA Point Ahead Angle Mechanism

PPA20M delivered to TNO (NL) for the LISA-PAAM mechanismPPA20M delivered to TNO (NL) for the LISA PAAM mechanismAchieved performances for the Engineering Model:

Stroke : +/- 412 µrad,Optical path stability: 1.4 pm/sqrt(Hz) (3-1000 mHz)Angular jitter: 8 nrad/sqrt(Hz) (3-1000 mHz)

02/02/2010 Confidential - 12

Piezo Actuators for Ground Astronomyy

Piezo Actuators for Ground AstronomyPiezo Actuators for Ground Astronomy

The applications of Cedrat The applications of Cedrat Technologies are various in this field:

Fast PositionningDeformable mirrorsInterferometers

Our benefits:Our benefits:Large strokesCompactHigh force and stiffnessHigh force and stiffnessReliable

Ex: Cedrat Technologies is part of Ex: Cedrat Technologies is part of the M5 development: APA500XXL.

02/02/2010 Confidential - 14

Active deformation of a Beam Steering Mi (BSM) C l i P jMirror (BSM) – Celtic Project

In partnership with LAMIn partnership with LAM

Preliminary Study for Eagle Instrument

APA230L deforms (180 µm, 600 N) toroidal surface of the mirror to compensate for astigmatism

BSM prototype, courtesy of LAM (France)

P li i D i f E l BSM deformation into astigmatism shape

02/02/2010 Confidential - 15

Preliminary Deign of Eagle Instrument

BSM deformation into astigmatism shape

Fabry-Perot Interferometer for 3D-NTTFabry Perot Interferometer for 3D NTT

APA400MML/3DNTT APA400MML/3DNTT

3DNTT spectrograph

In Partnership with LAM

The aim is to make a tunable Fabry Perot interferometer

3 APA400MML with: Long range tuning for the Long range tuning for the

interferometer (>200µm) Guiding blades ensuring a

straight translation of the Fabry Perot Perot.

Thermo compensation to avoid any dilatation with temperature.

02/02/2010 Confidential - 16

Stabilization and positionning of the E-ELT M5 MiM5 Mirror

APA500XXLAPA500XXL

Cedrat Technologies has been part of the M5 development: APA500XXL.

In partnership with NTE and CSEM

Characteristic:Characteristic: u =700µm Fb = 20 kN Payload=300 kg (M5 Mirror) f=50Hz

The aim is to: Damp external vibrations Damp external vibrations

(earthquakes, big truck..) on the mirror M5

Position the M5 on 3 DOF

02/02/2010 Confidential - 17

MCAO: May I ClArify sOmething?MCAO: May I ClArify sOmething?

THANK YOU! 02/02/2010 Confidential - 18

THANK YOU!