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THz bandpass filter based on sub-wavelength holes in free-standing metal thin-filmsPublished in Institute of Electrical and Electronics Engineers Inc.
2015
The design of a free-standing (substrate-less) metallic hole array is proposed for Terahertz frequencies. The bandpass filtering effect through free standing perforted Aluminium (Al) films is demonstrated using a square array of circular holes on Al films having thickness of ∼ 11 μm. The effect of variation of periodicity and hole diameter on the transmittance due to excitation of surface plasmons and coupling between resonant and non-resonant modes is studied. © 2015 IEEE.
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About the journal
| Journal | Data powered by TypesetIRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
| Open Access | No |
Authors (1)
George Jacob- THz bandpass filter based on sub-wavelength holes in free-standing metal thin-films
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Concepts (12)
Aluminum- Bandpass filters
- Thin films
- Band pass filtering
- Circular holes
- Hole diameter
- Metal thin film
- Metallic hole arrays
- Sub-wavelength holes
- Surface plasmons
- Terahertz frequencies
- Terahertz waves
