Chinese Optics Letters, Volume. 1, Issue 1, 0153(2003)
Terahertz wave tomographic imaging with a Fresnel lens
We demonstrate three-dimensional tomographic imaging using a Fresnel lens with broadband terahertz pulses. Objects at various locations along the beam propagation path are uniquely imaged on the same imaging plane using a Fresnel lens with different frequencies of the imaging beam. This procedure allows the reconstruction of an object’s tomographic contrast image by assembling the frequency-dependent images.
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S. Wang, X.-C. Zhang. Terahertz wave tomographic imaging with a Fresnel lens[J]. Chinese Optics Letters, 2003, 1(1): 0153