Infoscience

Journal article

First experimental results with the free electron laser coupled to a scanning near-field optical microscope

First experiments of coupling a free electron laser to a scanning near-field optical microscope (SNOM) are presented. To address the question of how important such spectroscopy can be for near-field infrared microscopy, we acquired images of the same region of the sample under investigation at several photon wavelengths. SNOM reflectivity images revealed features that were not present in the corresponding shear-force (topology) ones and which were due to localized changes in the bulk properties of the sample. Optical data in the infrared (near 3.5 mu m), using the probe tips in collection mode, indicates an optical spatial resolution well below the classical limit of lambda/2.

    Keywords: RESOLUTION ; PHOTOEMISSION

    Note:

    Ist Stuttura Mat, I-00133 Rome, Italy. Ecole Polytech Fed Lausanne, Inst Phys Appl, CH-1015 Lausanne, Switzerland. USN, Res Lab, Div Opt Sci, Washington, DC 20375 USA. Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. Cricenti, A, Ist Stuttura Mat, Via Fosso del Cavaliere 100, I-00133 Rome, Italy. antonio@dns.ism.rm.cnr.it

    ISI Document Delivery No.: 154AP

    Reference

    Record created on 2006-10-03, modified on 2016-08-08

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