Three-dimensional metallic photonic crystals fabricated by soft lithography for midinfrared applications
- Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 (United States)
We present an efficient method of fabricating freestanding three-dimensional metallic photonic crystals using soft lithography. Low cost and ease of fabrication are achieved through gold sputter deposition on a freestanding woodpile polymer template. We compare experimental results to theoretical calculations for tetragonal and face-centered-tetragonal structures as a function of the number of layers. The photonic crystals behave like full metallic structures with a photonic band edge at a wavelength of 3.5 {mu}m. The rejection rates of the structures are about 10 dB/layer.
- OSTI ID:
- 20779220
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 18 Vol. 88; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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