Near-Field Optical Holography

Abstract

Near-field optical holography, i.e., a technique that allows one to record and reconstruct not only far-but also near-field components of optical fields, is conceptually formulated. A near-field hologram can be recorded with a reference wave, which is totally internally reflected by a surface with quasi-two-dimensional objects on it, and reconstructed with methods of near-field optical microscopy. Subwavelength resolution of the proposed technique is demonstrated by using both numerical simulations and experimental observations. [S0031-9007(96)

Direct observation of localized dipolar excitations on rough nanostructured surfaces

“…4 Specific surface structures ͑near-field holograms͒ can be used to further increase the effect of light confinement. 5 In general, these phenomena are associated with the regime of the single scattering of light. In other words, an optical excitation near a certain subwavelength geometrical structure is independent of the surrounding large-scale geometry.…”

Computational Lens for the Near Field

“…PSTM measurements are inherently holographic [17]; the sample is illuminated by an evanescent field and that same field serves as a reference wave. The measurements are thus the near-field equivalent of a Gabor hologram [18].…”

History of Near-field Optics

“…The reconstruction of the sample features based on the measured optical information, the inverse scattering problem, can be facilitated by tuning the angle of incidence of the total internally reflected wave (Garcia and Nieto-Vesperinas, 1995). Several groups have theoretically established that PSTM measurements are inherently holographic and that they provide enough information to determine the two dimensional structure of a thin sample Bozhevolnyi and Vohnsen, 1996;Carney, 2004). A series of related studies on near-field phase conjugation have been performed by Sergey I. Bozhevolnyi and coworkers (Bozhevolnyi, 1994(Bozhevolnyi, , 1995.…”