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Laser Detection Explosives and Drugs

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Device Development to Detect and Analyze Explosives and Drugs by Diode Laser Spectroscopy

Tech Area / Field

  • INS-MEA/Measuring Instruments/Instrumentation
  • ENV-MIN/Monitoring and Instrumentation/Environment
  • INS-DET/Detection Devices/Instrumentation
  • PHY-OPL/Optics and Lasers/Physics

Status
8 Project completed

Registration date
27.07.2000

Completion date
29.10.2004

Senior Project Manager
Glazova M B

Leading Institute
VNIIEF, Russia, N. Novgorod reg., Sarov

Supporting institutes

  • Institute of General Physics named after A.M. Prokhorov RAS / Natural Sciences Center, Russia, Moscow

Collaborators

  • University of Twente, The Netherlands, Enschede\nAquila Technologies Group, Inc., USA, NM, Albuquerque

Project summary

The goal of the present Project is to develop and make a mobile device prototype to detect and analyze a wide explosive variety and also to detect and analyze some drug types.

Existing devices that are performed for the most part around the chromatographic measurement technique and require plenty of time to analyze each sample.

By using the diode laser spectroscopy (DLS) methods, that allow measurements to be made in a few tenth fraction of a second, we will be able to perform on-line detection and analysis of various substances, to map concentration gradients, and proceeding on those maps to disclose source or stowage location of substances found. Additionally, the DLS methods offer a possibility to determine the isotopic compositions of the substances, thereby providing an essential assistance in establishing their origination.

The Project activities will be performed in a few stages as following:

– analyze vapors of explosives and drugs as well as of the decay products with the aid of IR Fourier-transform spectrometers; select spectral ranges to be suitable for recording decay products of explosives and drugs by means of diode lasers;

– develop an optical system for the device; develop and make a compact-size multipass optical system with the optical path over 200 m long;

– develop electronic circuits for the device; develop and make control systems to operate diode lasers and data acquisition systems;

– develop signal processing and diode laser control algorithms; develop software to monitor diode laser operation and process signals;

– perform laboratory tests of the device;

– perform tests of the mobile version of the device.

The RFNC-VNIIEF and NSC GPI RAS both have accumulated a great experience in the area of development and making of spectral gas-analyzing optical systems, employ highly-skilled specialists and posses all the equipment necessary to perform the indicated set of works. The detectors and gas-analyzers built on the basis of diode lasers in NSC GPI RAS are advantaged in their aggregate performance among the best native and foreign devices of analogues destination. Mutual efforts of the RFNC-VNIIEF and NSC GPI RAS would ensure successful solution of the project tasks.


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