Propagation of femtosecond light pulses through near-field optical aperture probes

• Published in: Ultramicroscopy Vol. 92; no. 3; pp. 251 - 264
• Main Authors: Pack, A, Hietschold, M, Wannemacher, R
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.08.2002; Elsevier Science
• Subjects: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Instruments, apparatus, components and techniques common to several branches of physics and astronomy; Metals and metallic alloys; Near-field scanning optical microscopes; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation; Optical properties of specific thin films; Optics; Physics; Scanning probe microscopes, components and techniques; Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter; Transmission and absorption; Wave optics; Wave propagation; Wave propagation, transmission and absorption; 42.25.Bs; 78.47.+p; 78.66.Bz Subject index terms: 019; Wave propagation; Transmission and absorption; Metals and metallic alloys; 07.79.Fc; Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter; Near-field scanning optical microscopes; Femtosecond; Ultrafast technique; Measuring methods; Near-field scanning optical microscopy; Experimental study; Optical pulse; Ultrafast optics
• ISSN: 0304-3991; 1879-2723
• DOI: 10.1016/S0304-3991(02)00141-9

The propagation of femtosecond light pulses through near-field optical fiber tips has been modelled numerically in three spatial dimensions by means of the finite integration technique. Ideally conducting as well as real metallic coatings of the tip have been considered, and the influence of surface...