Long-Range Laser Vibrometer for Target Identification
In response to an Air Force requirement for a laser measurement system capable of identifying targets through a turbulent atmosphere, MetroLaser proposes a multi-aperture laser Doppler vibrometer (LDV). The signals collected through the multiple apertures would be co-phased to compensate for the phase disturbance that is due to the atmospheric turbulence and target-induced speckle effects. Consistent with AF requirements, the LDV system would operate at the wavelength of 1.55 microns. The proposed Phase II work would extend the Phase 1 effort, which demonstrated the feasibility of the technique with a combination of modeling and experiments. The Phase II effort would include modeling and experimental work in a long-range outdoor facility and will culminate with the delivery of a prototype multi-aperture, LDV system. BENEFIT: The proposed system would enable measuring targets several kilometers away through a turbulent atmosphere. This capability would benefit both military and commercial programs. DOD applications include target ID and the detection of landmines and improvised explosive devices (IED). Commercial applications include testing the structural integrity of bridges, historical buildings, and other large structures. The proposed system would fill a military and commercial market need.
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8 Chrysler Irvine, CA -
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