Physics and applications of terahertz metagratings
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Abstract
One dimensional sub-wavelength gratings, also known as metagratings have attracted enormous attention due to the relatively simpler design configurations with versatile application potentials. In recent times, these metagratings have played crucial roles in terahertz frequency domain to realize several fascinating effects. It has been demonstrated that the terahertz characteristics of these metagratings can be modified by carefully designing the grating geometry along with meticulously tuning the material characteristics. Such variations in grating design have led to enhanced device performances. In addition, suitably designed metagratings are capable of exciting strong evanescent orders that can be exploited…
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3Topics & keywords
Topics
Keywords
- Terahertz radiation
- Physics
- Terahertz metamaterials
- Engineering physics
- Optics
- Far-infrared laser
- Laser
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