Analysis of a gradient index metamaterial blazed diffraction grating
Publication
, Journal Article
Smith, DR; Tsai, YJ; Larouche, S
Published in: IEEE Antennas and Wireless Propagation Letters
December 1, 2011
The equivalent of a blazed diffraction grating can be formed from an array of metamaterial elements arranged so as to produce a linear gradient in the effective refractive index. By spreading the gradient over a multiwavelength distance, and repeating the pattern many times, a gradient index (GRIN) diffraction grating is formed. Using lithographically patterned, metallic metamaterial elements, dozens of distinguishable phase levels can be implemented by slightly modifying the design of each successive metamaterial element. We analyze here a multilayer metamaterial diffraction grating designed for operation at 10.6 μm, exploring the impact of material losses and impedance mismatch on the diffraction efficiency. © 2006 IEEE.
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Published In
IEEE Antennas and Wireless Propagation Letters
DOI
ISSN
1536-1225
Publication Date
December 1, 2011
Volume
10
Start / End Page
1605 / 1608
Related Subject Headings
- Networking & Telecommunications
- 4006 Communications engineering
- 1005 Communications Technologies
- 0906 Electrical and Electronic Engineering
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Smith, D. R., Tsai, Y. J., & Larouche, S. (2011). Analysis of a gradient index metamaterial blazed diffraction grating. IEEE Antennas and Wireless Propagation Letters, 10, 1605–1608. https://doi.org/10.1109/LAWP.2011.2179632
Smith, D. R., Y. J. Tsai, and S. Larouche. “Analysis of a gradient index metamaterial blazed diffraction grating.” IEEE Antennas and Wireless Propagation Letters 10 (December 1, 2011): 1605–8. https://doi.org/10.1109/LAWP.2011.2179632.
Smith DR, Tsai YJ, Larouche S. Analysis of a gradient index metamaterial blazed diffraction grating. IEEE Antennas and Wireless Propagation Letters. 2011 Dec 1;10:1605–8.
Smith, D. R., et al. “Analysis of a gradient index metamaterial blazed diffraction grating.” IEEE Antennas and Wireless Propagation Letters, vol. 10, Dec. 2011, pp. 1605–08. Scopus, doi:10.1109/LAWP.2011.2179632.
Smith DR, Tsai YJ, Larouche S. Analysis of a gradient index metamaterial blazed diffraction grating. IEEE Antennas and Wireless Propagation Letters. 2011 Dec 1;10:1605–1608.
Published In
IEEE Antennas and Wireless Propagation Letters
DOI
ISSN
1536-1225
Publication Date
December 1, 2011
Volume
10
Start / End Page
1605 / 1608
Related Subject Headings
- Networking & Telecommunications
- 4006 Communications engineering
- 1005 Communications Technologies
- 0906 Electrical and Electronic Engineering