era-nets 2013 csl – centre spatial de liège (be)

Bilbao 20th Nov 2012

C.S.L

Liege Science Park

Avenue du Pré-Aily

B-4031 ANGLEUR

Belgium

Tel: +32 (0)4 3824600

Fax: +32 (0)4 3675613

www.csl.ulg.ac.be

CSL – Centre Spatial de Liège (BE)

… space is our inspiration

Eng. Joseph BERNIER

Industrial Cooperation

[email protected]


CSL: Centre Spatial de Liège

Staff: ~ 85

60 % engineers & scientists

Test Centre for ESA and Industry

Research Centre of University of Liege


What we do ?

Electronics

Space Environment

Tests

Surface

Engineering

L

A

B

S

P

R

O

G

R

A

M

S

Signal

Processing

Technological

Partnerships

Quality

Lab

Optical Design

& Metrology NDT & Lasers

Test Facilities

Space

Instrumentation &

Sub-Systems

Thermo-

Mechanical

Design

Cryogenics

Process thematic (ERA Net / EUROSTARS)


Space applications & Technology transfer

Advanced

technologies

Space

environment

Tests

(payloads)

Space

instrumentation

(development)

TECHNOLOGY

TRANSFER

Other applications Space applications

ESA

Other Space

Agencies (NASA, …)

Space industry

Process thematic

(ERA Net/EUROSTARS)


Technology transfer modes

Advanced

technologies

Space

environment

Tests (payloads)

Space

instrumentation

(development)

Spin-offs

Intellectual property

( licenses, …)

R&D projects

(industrial

partnerships)

Process thematic

(ERA Net EUROSTARS)


What we do ?

TESTS IN SPACE CONDITIONS

Space environment

Tests (payloads)

Vacuum Low

temperatures

Vibrations


Space environment Tests (payloads)

Vacuum Techniques

&

Low Temperatures

Space environment

Tests

(vacuum, cryogenic, vibrations)

Clean rooms:

• 10.000 class clean room (ISO 7 or M 5.5 in SI)

• 100 class available locally (ISO 5 or M 3.5 in SI)

Temperature controlled and regulated at 21 +/- 2 C

Relative humidity controlled and regulated at 55 +/-10 %

Lifting capabilities: 5.3 T/10T cranes with 7.72-m/12.43-m clearance

under hook



Vacuum Techniques

&

Low Temperatures

Space environment

Tests

(vacuum, cryogenic, vibrations) Vacuum Chambers :

• -> 250 m3

• 10-6 - 10-7 mbar

• 4K (pts 0,1 K)



Vacuum Techniques

&

Low Temperatures

Space environment

Tests

(vacuum, cryogenic, vibrations)

Vibrations : 2 shakers, on 3 axis under cryogenic and vacuum conditions (down to 15K).

• Frequencies : 5-3000 Hz

• Accelerations : 200 kN (200 G / 100 Kg)

• Maximum weight : 900kg - 1200kg


Test Centre

Example: Planck satellite

Cooled down to -270 C (0.1 mK)


What we do ?

Space instrumentation

Design, manufacturing and testing of scientific space instruments payload


Space Instruments : examples

EIT (SOHO, 1995) FUV-SI (IMAGE, 2000)

OMC (INTEGRAL)

COROT Baffle & Cover

SWAP (PROBA-2)

HI (STEREO)

OM (Newton)


Space Instrumentation : missions

XMM – OM (1999)

IMAGE – FUV/SI (2000)

INTEGRAL – OMC (2002)

COROT (2006)

STEREO – HI (2006)

Twin instruments

Herschel – PACS

(2009)

PROBA 2 – SWAP - LYRA

(2009)

SOHO-EIT (1995)


What we do ?

Advanced

technologies


ADVANCED TECHNOLOGIES

Solar Energy

Signal Processing

Thermal &

Mechanical design

Optical design

At a glance :


Solar Energy (solar concentration)

High solar concentration Low solar concentration with reflectors

Space Experiment

PROBA 2

Direct

Illumination

Reflected

Illumination


Signal Processing

PRE-PROCESSING

Broadcasted

SAR raw data

Focused

SAR images

Thematic

products

USER

POST-PROCESSING

Ground

Station

Cordoba

Redu? SAR (Synthetic Aperture Radar)


Signal Processing

Observations of the Earth using the SAR (Synthetic Aperture Radar) of the ERS

(Earth Resources Satellite) have a wide range of practical applications, such as:

•Wave forecasting & marine climatology

•Ice monitoring

•Mapping and monitoring of land use (forestry and agriculture)

•Biomass potential

•Elevation model, small surface movements detection (earthquakes, landslides or glacier

advancement)

•Security & defence ….


Optical Design & Metrology

• Metrology and calibration

Dimensional metrology

Radiometric calibration

Optical Ground Support Equipment from X-rays to sub mm

Development of ground and flight optical metrology systems

Optical calibration of part or complete optical payloads


Optical Design & Metrology

•Optical design & analysis

Straylight analysis

From small (IOL 6 mm) to large 6m Solar Simulator

to extra large

(100 m photon

sieves) optics


Optical Design & Metrology Services

R&D support in optical field: sensors, image acquisition,

illumination devices, spectral analysis

Optical design, simulations, optimization (CODE V, ASAP, FRED,

IDL or Intelliwave)

Straylight analysis

Study of optical function working in severe environment

Prototyping,

Qualification for space environment


Thermal & Mechanical Design

Thermal analysis for the thermal tent

50[K]

300[K]

ESATAN / ESARAD to model the global set-up with Planck S/C (simplified model)

• To define the best configuration

• To estimate the set-up influence

• heat fluxes analysis main contributors

• sensitivity analysis for critical parameters

• iterations till degradation wrt deep space


Thermal & Mechanical Design

Critical points linked to thermal analysis:

Power budget passive cooling

Detector signal/noise ratio

Heat flux brought by sun irradiance

Optics Misalignment tolerances

Mirrors WFE in operational thermal range

Sun watcher using APS detectors and image processing

(SWAP)


Thermal & Mechanical Design Services

(choice of material, geometry, environmental effect)

(2)

optiques

WSun

=800W/m²

+200W/m²

(1) plaque

fond

Qrad, 13

Qcond, 13 (3)

ambiant

e

Qrad, 12

Qrad, 23

(3)

ambiant

e

Qcond, 12

Qcond, 23

convecti

on échange

radiatif échange

convectif

Example : Thermal analysis

& prototype

for solar energy applications



Electronics

Surface

Engineering

NDT & Lasers


Electronics Laboratory

CSL involvement in electronics

CSL involvement in software

Experience gained / standards applied

HERSCHEL/PACS

Electronics design, breadboards,

engineering model, supervision

of QM and FM contractor ( OIP ),

qualification tests

On board software ( real time motion control, data handling, Spacewire interfaces, on

board sequences, precision thermal control )

DSP, Real time software ( Virtuoso ), high speed data transfer ( Spacewire ), electronics at

4K, redundancy concepts, ECSS, flight FPGA development


Electronics Laboratory Example of technology development Portable X-ray fluorescence coating

thickness measurement

Cu, Al, Mg, Ti, Cr, S, Ru, Au in the range 1 to 2000

nm with 3% accuracy


Electronics Laboratory Services

Smart Sensors

Sensors Development

Selection / networking

Electronic design analog/digital

Power Supply

Data Transmission

Breadboards

Environmental Tests (including Radiations)

Downscaling

Example : Online cables health survey



Electronics

Surface

Engineering

NDT & Lasers


Space background

• Application fields

• Optical components for

space applications

• Ground optical

instrumentation

• Light management

• Solar energy

• Sensors

• Connectics

Coatings/Thin Films

PACS Grating

MIRI Coatings

Surface process and micro–texturing


Coatings/Thin Films

Participation to GAIA Program

Customer : TNO-TPD

Protective

reflective coating

applied on SiC

Surface process and micro–texturing Space background

Antireflective

coating on fused

silica -

Beamsplitting

coating for fused

silica


Facilities

• Different deposition techniques

• Dual Ion Beam Sputtering

• RF & DC magnetron sputtering

• E-beam evaporation

• Thermal evaporation

• Plasma Chemical Vapour Deposition

• Laser Induced Forward Transfer

• Spin coating

Coatings/Thin Films

LIFT



Technologies

• Local removal of materials

• Controlled with interferometry

• Control of induced roughness

Ion Beam Figuring



Surface process and micro–texturing Technologies

Deposition chamber and dry plasma etching

developed at CSL

CSL owns different technologies for surface texturing: laser ablation, ion beam,

photolithography (holography and direct laser writing) coupled with transfer

processes by dry or wet etching.

Holographic

recording

bench

developed

by CSL


Replication

Hot embossing system

Replication process Insert technology

Process development for

industrial production of

micro-patterned

components



Metrology

• Structural & Optical properties

• Scanning Electron Microscope

• Atomic Force Microscope

• Optical Profiler

• Interferometers

• Spectrophotometers

• Ellipsometers

Surface Characterization



Surface Process and micro–texturing

Examples of optical structures produced and / or replicated at CSL

Replication of antireflection structures using infrared holographic recording


Structures examples Surface Process and micro–texturing

Diffraction grating etched in fused silica

3 µm



Phase mask etched by plasma in ZnSe (recording laser direct writing)

10 µm

Structures examples


Surface Process and micro–texturing Structures examples

Structures induced by ion

beam in a metal coating


Surface Process and micro–texturing Structures examples

Replication of butterfly wing


Surface Process and micro–texturing Technology Transfer

Objective: optimizing the extraction of light in Organic Light Emitting

Diodes (OLED) Partners : ARCELOR, FUNDP, RTECH, MATERIA NOVA, CRMM, BCT and MONS-

HAINAUT University

Development of flexible encapsulation method allowing optimization of

outcoupling and angular distribution of emitted light.

Organic-electro-luminescent diode

(OLED) developed by Mirage

consortium



Example of principal replication steps of the optical area of an Intra Ocular Lens

Industrial partners: NANOSHAPE, OPTIM, OPEN

ENGINEERING and LAMBDA-X

PHYSIOL : market of intraocular lenses for the

cataract surgery

Technology Transfer

CSL : optical design, metrology and

micro-structures replication



PLASMOBIO

Technology Transfer

Advanced microtechnologies for biological instrumentation

INTERREG Project

Objective: to develop sensitive, miniaturized

and integrated SPR-based biosensors

allowing in-situ and remote biosensing

applications needed in the medical

diagnostic field.

Surface Plasmonic Resonance, SPR, is a powerful tool for

label-free and real time analysis of molecular interactions

Working principle of SPR sensor applied to droplet microfluidic



Electronics

Surface

Engineering

NDT & Lasers


Lasers & Non Destructive Testing

• Dimensional Measurements

• Stereocorrelation measurement system

• Existing software

• Optical systems developed by CSL

• Static-Low speed measurements

• Dynamic measurement (on shaker)

Deployment of space membrane structures Wrinkle measurement

Numerical correlation of 2 images

taken by 2 cameras

Allows measurement of

displacement of large number of

points randomly attached (sprayed)

or projected on the surface

Typical volume measured : 130x100x80 mm3 (resolution 90 µm)



Deformation Measurements • High resolution holographic camera

• Full-field displacement measurement

Photorefractive holographic recording medium

In-situ recording

Erasable– indefinitely reusable

Green Laser (532 nm)

Displacement range : 0.15 µm - 25 µm

Non contact – Full Field

CSL pursues various developments around this

technology


Lasers & Non Destructive Testing • Coupling deformation and temperature measurement on unique sensor – Infrared speckle

interferometry

CO2 Laser (10.6 µm)

Non contact – Full field

Displacement range : 1 µm - 150 µm

Thermal camera used for simultaneous

• hologram capture

• thermogram capture



Example of technology development LIBS : Laser Induced Breakdown Spectroscopy



Example of technology development LIBS : Laser Induced Breakdown Spectroscopy

Analysis of elements present in plasma


Lasers & Non Destructive Testing Services

R & D support in material non destructive testing (optical method)

Selection of control techniques

Dedicated test set-up for industrial end-user


NDT for Composites exam : # techniques

Laser Ultrasounds :

Holography / Shearography VibroThermography Optical pulse Thermography


Centre Spatial de Liège

Liege Science Park,

Avenue du Pré-Aily

B-4031 – ANGLEUR (Belgium)

tel. +32.4.382.46.00

fax. +32.4.367.56.13

http://www.csl.ulg.ac.be

Joseph BERNIER : [email protected]

CONTACTS


THANK YOU FOR YOUR ATTENTION

era-nets 2013 csl – centre spatial de liège (be)

Documents