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Near-Field Magneto-Optical Microscope

Description: A device and method for mapping magnetic fields of a sample at a resolution less than the wavelength of light without altering the magnetic field of the sample is disclosed. A device having a tapered end portion with a magneto-optically active particle positioned at the distal end thereof in communication with a fiber optic for transferring incoming linearly polarized light from a source thereof to the particle and for transferring reflected light from the particle is provided. The fiber optic … more
Date: December 6, 2005
Creator: Vlasko-Vlasov, Vitalii; Welp, Ulrich & and Crabtree, George W.
Partner: UNT Libraries Government Documents Department
open access

In-Situ Containment and Extraction of Volatile Soil Contaminants

Description: The invention relates to a novel approach to containing and removing toxic waste from a subsurface environment. More specifically the present invention relates to a system for containing and removing volatile toxic chemicals from a subsurface environment using differences in surface and subsurface pressures. The present embodiment generally comprises a deep well, a horizontal tube, at least one injection well, at least one extraction well and a means for containing the waste within the waste zo… more
Date: December 27, 2005
Creator: Varvel, Mark Darrell
Partner: UNT Libraries Government Documents Department
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