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Metallic-tilted woodpile photonic crystals in the midinfrared

[+] Author Affiliations
John D. Williams, Po Sun

University of Alabama, Huntsville, Department of Electrical and Computer Engineering, Huntsville, Alabama 35899, E-mail: williams@eng.uah.edu

William C. Sweatt, A. R. Ellis

Sandia National Laboratories, MS 1082, PO Box 5800, Albuquerque, New Mexico 87185

J. Micro/Nanolith. MEMS MOEMS. 9(2), 023011 (May 11, 2010). doi:10.1117/1.3427162
History: Received December 15, 2009; Revised March 22, 2010; Accepted March 29, 2010; Published May 11, 2010; Online May 11, 2010
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We demonstrate a large area production of 3-D woodpile metallic photonic crystals using deep x-ray lithography and subsequent electroforming. These structures represent the ⟨110⟩ orientation of the ⟨001⟩ woodpile structures most commonly presented in the literature. This approach requires no alignment and is capable of generating a 3 unit cell thick photonic crystal in a simple three step process flow. Tilted woodpiles demonstrate band characteristics very similar to those observed from [001] woodpiles. Reflectivity tests show a band edge around 4μm and good comparison well with numerical simulations.

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© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

John D. Williams ; Po Sun ; William C. Sweatt and A. R. Ellis
"Metallic-tilted woodpile photonic crystals in the midinfrared", J. Micro/Nanolith. MEMS MOEMS. 9(2), 023011 (May 11, 2010). ; http://dx.doi.org/10.1117/1.3427162


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