A new aperture-type near-field-scanning-optical-microscopy (NSOM) technique, termed differential NSOM (DNSOM) is illustrated. DNSOM utilizes sharp corners of an aperture to beat diffraction-limit, and unlike conventional-NSOM, the size of the aperture does not determine the resolution.
© 2007 OSA
A. Ozcan, E. Cubukcu, A. Bilenca, K. Crozier, B. E. Bouma, F. Capasso, and G. J. Tearney, "Differential Near-field Scanning Optical Microscopy," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QTuK3.
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