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SEL Number: 07ED-04-LASR
Title: Detector, Explosive, Laser-Based, Standoff


Last Updated: 6/24/2022 1:47:05 PM

Previous SEL Number: 07ED-04-LASR

Description: A standoff explosive detector based upon active laser-based interrogation of targets from a distance using an unconfined laser beam. The laser-target interaction produces a spectral signature denoting the chemical composition of the target. Explosive materials exhibit unique spectral signatures.

Depending upon the technology, units may be mature or in the prototype form. These include, but are not limited to, standoff Raman Spectroscopy, Laser Acoustics, Laser Photothermal Imaging and Spectroscopy, and Laser Photofragmentation. Only bulk quantities of chemicals in plain view have been successfully detected.
DIQCode: [D, I]

ImportantFeatures: Hand-held Raman technology currently exists for distances of 1 to 2 meters.

Some other devices purport to operate up to 100-meters standoff (purchasers are encouraged to validate such claims prior to purchase). Such products are generally larger systems operated with vehicle or generator power.

Smaller devices can be mounted on robots for 1-3 meter probing of suspicious objects.
Spectral libraries are updatable.

Operating Considerations: Warning: These types of systems, in order to reduce the potential for lasing anything but the selected target, must be mounted in a highly stabilized platform with very good aiming accuracy out to distances beyond the targets range. These laser systems are hazardous beyond the target distance out to distances that are dependent on the laser's output characteristics. It is imperative to consult with the manufacturer to establish precise rules of operation to ensure safe operation.

Warning: The intensity of some lasers is sufficient to ignite some flammable/explosive compounds such as black powder. Exercise caution in explosive environments or with large samples.
Consult user manual for proper temperature operating range of device.
Consider type and availability of batteries or other required power source.
Consider strengths and weaknesses of specific technologies, and utilize multiple technologies to increase confidence levels.
Additional expense may be involved in purchasing / maintaining libraries.
ICostRating: $$$$
MCostRating: $$$

Training Requirements: Core Training: NFPA
National Fire Protection Association
470 Section 8 or Section 10 and per Manufacturer's Specifications.
Initial Training: Extensive (>2 days)
Sustainment Training: Moderate (1-2 days)

Mandatory Standards:

Applicable Standards and References:


MSSL:
  • Law Enforcement: Bomb Squad
  • REL: Full Canadian Recommended Equipment List
  • REL: LOS-1, Multi-Agency Intervention
  • REL: LOS-2, Scout/Reconnaissance Mission
  • REL: LOS-3, Suspicious Powder Response