In this post i want to discuss about what’s best material for plasmonic device application except  considering graphene. I want to find a materials with low loss, high confinement and easy fabrication.

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In biology scientists usually deal with protein, DNA and so on.Other hand biology elements radiate Infrared from themself . So this is very important that we can design IR sensor and apply them in biology fields. Graphene as a miracle material with tunability can be used important candidate  in biosensors.

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And older story in microwave and THz  or higher frequency range is finding a way that we have high effieceincy coupling. So i will discuss about mechanism coupling and phase and impedance matching.

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