Advanced LDV instruments for buried landmine detection

Amit Lal; Slava Aranchuk; Valentina Doushkina; Ernesto Hurtado; Cecil Hess; Jim Kilpatrick; Drew L'Esperance; Nan Luo; Vladimir Markov; Jim Sabatier; Eddie Scott

doi:10.1117/12.668927

17 May 2006 Advanced LDV instruments for buried landmine detection

Amit Lal, Slava Aranchuk, Valentina Doushkina, Ernesto Hurtado, Cecil Hess, Jim Kilpatrick, Drew L'Esperance, Nan Luo, Vladimir Markov, Jim Sabatier, Eddie Scott

Author Affiliations +

Proceedings Volume 6217, Detection and Remediation Technologies for Mines and Minelike Targets XI; 621715 (2006) https://doi.org/10.1117/12.668927
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

Several experiments have demonstrated the potential of Laser Doppler Vibrometry, in conjunction with acoustic-toseismic coupling or mechanical shakers, for the detection of buried landmines. For example, experiments conducted by The University Of Mississippi and MetroLaser, Inc. have shown the ability to scan a one square meter area in less than 20 seconds with a 16-beam multi-beam LDV (MB-LDV), and find the landmines under a variety of soil conditions. Some critical requirements for this technology are to reduce the measurement time, increase the spatial resolution, and reduce the size of the systems. In this paper, MetroLaser presents data from three optical systems that help achieve these requirements: 1) A Compact MB-LDV, 2) A two dimensional, or Matrix Laser Doppler Vibrometer (MX-LDV), and 3) A Whole-field Digital Vibrometer (WDV). The compact MB-LDV produces a 1-D array of beams, which may be scanned over the target surface with a scanning mirror. The size of the new, compact MB-LDV system has been reduced to approximately 17" x 11" x 9", thus enhancing its capability for field applications. The MX-LDV, to be developed in 2006, produces a 16x16 array of beams over a one meter area, allowing the ground velocity of the entire area to be measured in a single measurement. The WDV uses a camera-based interferometry system to take a snapshot of the ground vibration over a one meter square area with very high spatial resolution. Field tests for this system are scheduled for mid-2006.

Citation Download Citation

Amit Lal, Slava Aranchuk, Valentina Doushkina, Ernesto Hurtado, Cecil Hess, Jim Kilpatrick, Drew L'Esperance, Nan Luo, Vladimir Markov, Jim Sabatier, and Eddie Scott "Advanced LDV instruments for buried landmine detection", Proc. SPIE 6217, Detection and Remediation Technologies for Mines and Minelike Targets XI, 621715 (17 May 2006); doi: 10.1117/12.668927; https://doi.org/10.1117/12.668927

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