Figure 2.2 shows (after [3]) the field regions around an aperture antenna. Figure 2.3 illustrates the near- and the far-field boundaries as a function of r, D, and λ . The near field and the ...

Schematic of THz near-field microscopy based on an air-plasma dynamic aperture. Two femtosecond laser ... and Yan Zhang As a novel far-infrared inspection method, the development of terahertz ...

Near-field microwave holography ... installed in the Simons Observatory Large Aperture Telescope in Northern Chile, which will measure cosmic microwave background. The near-field results were used to ...

As a novel far-infrared inspection ... In this THz near-field technique, a cross-filament was formed by two cross air-plasmas, which opened a dynamic aperture to modulate the intensity of a ...