• DocumentCode
    1772153
  • Title

    Transmission of THz pulses through 3µm apertures: applications for near-field microscopy

  • Author

    Macfaden, Alexander J. ; Reno, John L. ; Brener, Igal ; Mitrofanov, Oleg

  • Author_Institution
    Electron. & Electr. Eng., Univ. Coll. London, London, UK
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We demonstrate that THz pulses transmitted through small apertures (~λ/100) exhibit strong evanescent components within 1μm of the aperture. Using this effect, we developed sub-wavelength aperture THz near-field probes that provide 3μm resolution.
  • Keywords
    high-speed optical techniques; light transmission; near-field scanning optical microscopy; probes; THz pulses transmission; evanescent components; near-field microscopy; subwavelength aperture THz near-field probes; Apertures; Detectors; Microscopy; Probes; Sensitivity; Spatial resolution;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6989796