نتایج جستجو برای: tunable absorber
تعداد نتایج: 34720 فیلتر نتایج به سال:
In this paper, we come up with a wavelength tunable absorber which is made up of periodically elliptical graphene arrays in the far-infrared and terahertz regions. Through simulation, we find that we can increase the length of long axis of the ellipse, raise the incidence angles of TM- and TE-polarization (TM- and TE-polarization indicate the direction of the incident electric field along the d...
We report a small-angle ultra-narrowband mid-infrared tunable absorber that uses graphene and dielectric metamaterials. The absorption bandwidth of the at Fermi level 0.2 eV is 0.055 nm, peaks can be tuned from 5.14803 to 5.1411 μm by changing level. Furthermore, resonance only occurs in angle range several degrees. simulation field distributions show magnetic Fabry–Pérot peak. one-dimensional ...
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