Publication: Imaging the Irradiance Distribution in the Optical Near Field
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Aizenberg, J., J. A. Rogers, K. E. Paul, and G. M. Whitesides. 1998. Imaging the Irradiance Distribution in the Optical Near Field. Applied Physics Letters 71: 3773.
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This letter describes the use of a sensitive photoresist for direct imaging of optical intensity profiles in near-field photolithographic experiments. A comparison between experimental patterns in exposed, developed photoresist and calculated profiles of intensity shows that this procedure provides a reliable semiquantitative image of the irradiance distribution in the near field; experiment and theory correlate adequately. A potential use of the superficial diffraction contrast recorded in photoresist as the basis for a new method of the fabrication of nanostructures is discussed.
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