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This paper describe a highly systematic set of experiments demonstrating capability of Optical Coherence Tomography (OCT) technique for depth-resolved, real-time and truly noninvasive analysis of complex diffusion processes of macromolecules in epithelial and vascular tissues as well to image and detect magnetic microparticles (stationary and moving) under the skin with single-particle sensitivity...
Fresnel lenses have a number of attractive properties for pulsed terahertz imaging. We demonstrate tomographic imaging with a Fresnel lens and report progress towards the goal of long range terahertz imaging.
We demonstrate three-dimensional terahertz (THz) holography with the use of the windowed Fourier transformation. The coherent nature of THz time domain spectroscopy allows measurement of the phase and amplitude of the THz wave for holographic imaging.
Two dimensional electro-optic sampling allows a target's scattered terahertz field to be measured. By obtaining multiple projection images we have performed the reconstruction of three dimensional targets with millimeter resolution.
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