| Nano-lithographically fabricated titanium dioxide based visible frequency three dimensional gap photonic crystal. | |
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MedLine Citation:
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PMID: 19550574 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Photonic crystals (PC) have emerged as important types of structures for light manipulation. Ultimate control of light is possible by creating PCs with a complete three dimensional (3D) gap [1, 2]. This has proven to be a considerable challenge in the visible and ultraviolet frequencies mainly due to complications in integrating transparent, high refractive index (n) materials with fabrication techniques to create ~ 100nm features with long range translational order. In this letter, we demonstrate a nano-lithography approach based on a multilevel electron beam direct write and physical vapor deposition, to fabricate four-layer titania woodpile PCs that potentially exhibit complete 3D gap at visible wavelengths. We achieved a short wavelength bandedge of 525nm with a 300nm lattice constant PC. Due to the nanoscale precision and capability for defect control, the nanolithography approach represents an important step toward novel visible photonic devices for lighting, lasers, sensing and biophotonics. |
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Authors:
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Ganapathi Subramania; Yun-Ju Lee; Igal Brener; Ting-Shan Luk; Paul G Clem |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Optics express Volume: 15 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2007 Oct |
Date Detail:
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Created Date: 2009-06-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 13049-57 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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