Direct measurement of the complex refractive index in the extreme ultraviolet spectral region using diffraction from a nanosphere array
Mills, B, Chau, CF, Rogers, ETF, Grant-Jacob, J, Stebbings, SL, Praeger, M, de Paula, AM, Froud, CA, Chapman, RT, Butcher, TJ, Baumberg, JJ, Brocklesby, WS and Frey, JG (2008) Direct measurement of the complex refractive index in the extreme ultraviolet spectral region using diffraction from a nanosphere array. APPLIED PHYSICS LETTERS, 93
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Description/Abstract
Using extreme ultraviolet (XUV) radiation from a high harmonic source, we observe diffraction from a single-layer self-assembled hexagonal array of 196 +/- 1.2 nm diameter polystyrene spheres. The Mie solution is used to predict the correct form factor for a single sphere and hence model the intensities of the observed diffraction peaks for the first three orders. By measuring the diffraction intensities in this way, we demonstrate a technique for obtaining the complex refractive index of a material at multiple wavelengths in the XUV from a single measurement. We present experimental results for polystyrene in the range of 25-30 nm.
| Item Type: | Article |
|---|---|
| Additional Information: | Imported from ISI Web of Science |
| Divisions: | Faculty of Physical and Applied Science > Electronics and Computer Science |
| Item ID: | 269685 |
| Date Deposited: | 21 Apr 2010 07:46 |
| Last Modified: | 01 Mar 2012 11:59 |
| Contributors: | Mills, B (Author) Chau, CF (Author) Rogers, ETF (Author) Grant-Jacob, J (Author) Stebbings, SL (Author) Praeger, M (Author) de Paula, AM (Author) Froud, CA (Author) Chapman, RT (Author) Butcher, TJ (Author) Baumberg, JJ (Author) Brocklesby, WS (Author) Frey, JG (Author) |
| Date: | 2008 |
| Additional Information: | Imported from ISI Web of Science |
| Status: | Unpublished |
| Further Information: | Google Scholar |
| ISI Citation Count: | 2 |
| URI: | http://eprints.soton.ac.uk/id/eprint/269685 |
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