A near-field scanning optical microscope: construction and operation

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A near-field scanning optical microscope: construction and operation

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Title: A near-field scanning optical microscope: construction and operation
Author: Dunn, John Phillip
Abstract: This thesis discusses the design and construction of a Near-field Scanning Optical Microscope (NSOM). Basic principles of operation, the characteristics of the hardware components, and the control software are discussed. A unique method of controlling the position of the probe is developed, and scans of a diffraction grating are presented. We show the influence that the surface topology and reflectivity and the interference of direct and reflected light have on the images. A second design of the instrument, for use in a vacuum chamber and with a flexure stage for lateral motion, is accomplished.
Department: Physics
Subject: Near-field Scanning Optical Microscope NSOM SNOM Vacuum
URI: http://hdl.handle.net/2152/ETD-UT-2009-08-337
Date: 2009-08

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