The applications of metallic plasmonic gratings in the mid-infrared region
The concept of surface plasmons has been studied and experimented upon for decades and is applied in the visible as well as the near infrared frequencies to engineer and enhance light on a sub wavelength platform. If this concept, applied in the longer wa...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/59964 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | The concept of surface plasmons has been studied and experimented upon for decades
and is applied in the visible as well as the near infrared frequencies to engineer and
enhance light on a sub wavelength platform. If this concept, applied in the longer
wavelength group such as the mid infra red (mid-IR), that is from 3-30Jlm, would
tremendously increase the potential applications in various fields such as health, defense
and industrial sectors. But there is one challenge which is being faced- the same analogy
and information cannot be readily applied to the mid infrared range because the
fundamental response of the materials is completely different in these two regimes.
Hence, to counter this obstacle, new materials along with new aspects have to be
designed and dealt with. |
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