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Fourier-transform terahertz near-field imaging of one-dimensional slit arrays: mapping of electric-field-, magnetic-field-, and Poynting vectors.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Adam, Aurèle J. L. Kang, Ji Hye Lee, Joong Wook Jeoung, Sae Chae Park, Q. Han Planken, Paul C. M. Kim, Dong Sung |
| Copyright Year | 2007 |
| Abstract | We present 2D measurements of the full THz electric field behind a sample consisting of multiple slits in a metal foil. Our measurements, which have a sub-wavelength spatial, and a sub-period temporal resolution, reveal electric field lines, electric field vortices and saddle points. From our measurements we are able to reconstruct the magnetic field and, finally, the position and time-dependent Poynting vector which shows the flow of energy behind the sample. Our results show that it is possible to study the flow of light near sub-wavelength plasmonic structures such as slit-arrays and, by implication, other metamaterial samples. |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OE.15.011781 |
| Alternate Webpage(s) | http://www.thzscience.nl/publications/OptExpress_15_11781_(2007).pdf |
| PubMed reference number | 19547541 |
| Alternate Webpage(s) | https://doi.org/10.1364/OE.15.011781 |
| Journal | Medline |
| Volume Number | 15 |
| Issue Number | 19 |
| Journal | Optics express |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |