Liu, Zhaowei and Durant, Stéphane and Lee, Hyesog and Xiong, Yi and Pikus, Yuri and Sun, Cheng and Zhang, Xiang. (2007) Near-field Moiré effect mediated by surface plasmon polariton excitation. Optics Letters, 32 (6). pp. 629-631. ISSN 0146-9592
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Official URL: http://dx.doi.org/10.1364/OL.32.000629
Abstract
We have demonstrated a surface plasmon polariton mediated optical Moiré effect by inserting a silver slab between two subwavelength gratings. Enhancement of the evanescent fields by the surface plasmon excitations on the silver slab leads to a remarkable contrast improvement in the Moiré fringes from two subwavelength gratings. Numerical calculations, which agree very well with the experimental observation of evanescent-wave Moiré fringes, elucidate the crucial role of the surface plasmon polaritons. The near-field Moiré effect has potential applications to extend the existing Moiré techniques to subwavelength characterization of nanostructures.
| Item Type: | Article |
|---|---|
| InterNano Taxonomy: | Nanomanufacturing Characterization Techniques > Diffraction and Scattering Nanoscale Objects and Nanostructured Materials > Nanocomposites > Optical Nanomanufacturing Characterization Techniques |
| Collections: | Nanomanufacturing Research Collection |
| ID Code: | 385 |
| Deposited By: | Moureen Kemei |
| Deposited On: | 31 Mar 2010 14:42 |
| Last Modified: | 31 Mar 2010 14:42 |
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