Laser PhotoAcoustic Spectroscopy

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PASR 2006
Integrated System for On-line TRace EXplosives
detection in solid, liquid and vapor state
Antonio Palucci – ENEA FIM-FISLAS
Project coordinator
Start up
January 1st 2007
December 31th 2008
June 30th 2009
Preparatory Action
on the
enhancement of the
European industrial
potential in the field
of Security research
Summary
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Our goals
Achievements
Opportunities
Main Aims

Trace detection of high energetic materials (i.e. explosive
compounds and their precursors) with high resolution laser
techniques
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Development of two prototypes to be in future installed in check-in
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Exploitation of possible integration
LIBS (Laser Induced Breakdown
Spectroscopy) for particles and
liquids substances. Atomic
technique
IR (Cavity Ring-Down Spectroscopy
and/o laser Photo-Acoustic
Spectrometer) for vapour absorption
technique
Partnership

ENEA project coordinator - National Research
Agency (Italy)
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CNR – National Research Agency (Italy)
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IPAC – SME (Austria)
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vH&S – SME (Germany)
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TelCon – SME (Italy)
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RIS Carabinieri – Reparto Investigazioni
Scientifiche dell’Arma dei Carabinieri
Implemented high resolution
laser techniques

LIBS (Laser Induced Breakdown Spectroscopy) V. Lazic
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LPAS (Laser PhotoAcoustic Spectroscopy) G. Giubileo
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LRaman (Laser Raman Spectroscopy) S. Botti
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CRDS (Cavity Ring Down Spectroscopy) M. Snels
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FT-IR (Fourier Transform InfraRed high resolution
spectroscopy) S. N. Cesaro
Materials employed
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NO real explosive samples or mixed compounds such as forensic exhibit
Standard solutions of explosive compounds from different suppliers
(Sigma, Accustandard, CPS, Sigma, Carlo Erba) for calibration purpose
Sample
EGDN
NG
RDX
TNT
DNT 2,6
PETN
HMX
Picric acid
TETRYL
Vapor pressure
at 293K (torr)
4.8 10-2
3.16 10-4
0.9 10-9
4.4 10-6
2.8 10 -4
2.1 10-9
1.5 10-14
2.1 10-7
1.5 10-9
m.p. °C
Dissociation °C
-22.0
13.2
205.5
80.35
67-70
141.3
276 - 286
122.5
129.5
114 explosion
50 – 60 decomposition
205.5 autoignition
295 decomposition
250 - 300
190 decomposition
280 autoignition
≥ 300 explodes
187 decomposition
FTIR IFS 113v (Bruker) and IFS66 (Bruker)
interferometers in the spectral range 10,000 ÷ 400
cm-1 at a resolution of 2 cm-1 or better.
Developed prototypes
Laser Induced Breakdown Spectroscopy
Cavity Ring Down Spectroscopy
Laser technologies investigated

LPAS (Laser PhotoAcoustic Spectroscopy)

SERS (Surface Enhanced Raman Spectroscopy)
New facility @ 7 micron
• Semi-conductor Quantum Cascade Laser,
tunability electronic controlled
• Compact Photoacustic cell for trace detection
Surface Enhanced Raman
Spectroscopy SERS
1 ng
1 µg
0.4 ng
By using SERS we obtained:
•High sensitivity
•Fast detection
•The possibility to use
•hand held instrumentation
•Stand-off detection
Results obtained
LIBS 0.1 – 1 ng HMX
CRDS
Principal Component Analysis
2
LPAS
1.5
D26
TNT
TET
RDX
HMI
PET
KNO
ANO
K2S
MGS
AIR
D24
ACl
TOL
TAT
1
PC2
0.5
0
-0.5
-1
-1.5
-2
-4
-3
-2
-1
0
1
PC1
2
3
4
5
SERS 0.2 ng TNT
Opportunities
Expert - participation to the working groups of the Explosives Security
Experts Task Force (ESETF Explosives Security Experts Task Force)
established in January 2007 to June 2008, by the Direction Générale
Justice, Liberté Et Sécurité of the European Commission
Network on the Detection
of Explosives (NDE)
Tender JLS/2008/D1/020
2009-2010 + possible following 2 years
Main Aim is to support DG JLS with
•
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•
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•
EU expertize
Advice on concrete questions
Short policy briefs
Meetings
Mapping work on detection of explosives
Preparing studies
Organisation of a biannual conference on detection of explosives
ENEA for Security
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Surveillance and
monitoring
Intervention on threats
Remediation
Testing
Education & Training
Participation to ESRIF
IMGS website
ENEA for Security
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Security 2009
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CUSTOM - Drugs And PreCUrsor Sensing By ComplemenTing
Low COst Multiple Techniques (SEC-2009.1.3.2) PI SELEX
Rank 13 2010-2012
Agreement between ENEA and Defence Ministry –
Military NBC school Rieti
Agreement between ENEA and Finmeccanica for dual
use technologies
Explosive, Drugs and Biohazard
ISOTREX OPPORTUNITIES
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Complete the work with next Security calls
Join larger projects
Exploit EU opportunities
Acknowledgements
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ENEA (R. Fantoni, F. Colao, V. Lazic, G. Giubileo, A.
Puiu, M. Giorgi, S. Botti, L. Cantarini, S. Jovicevic, R.
Ciardi, M. Busuoli)
CNR (S. N. Cesaro, M. Snels, T. Venezia, M. Piccinici)
IPAC (A. Del Bianco, H. Jordan, C. Sallinger, M.
Schratter)
vH&S (H. Kenkel, G. Krein)
TelCon (G. De Marchis, L. Piccari, L. Belfiore)
Carabinieri (L. Ripani, G. Peluso, F. Di Rosa)
EC (P. Salieri)
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