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речь о радиоволнах. с видимым спектром все хуже
Wider implications. In principle this technique may be extended to visible frequencies; in fact metasurfaces are easier to realize than metamaterials in optics. However, the object size that can be efficiently cloaked with this method scales with the wavelength, so when applied to optical frequencies we may be able to efficiently stop the scattering of only micrometer-sized objects. Still, we have envisioned various exciting cloaking applications for small objects—i.e., non-invasive near-field imaging devices, optical nanotags and nanoswitches—as well improving the absorption efficiency of nanoparticles. These may provide great benefits for biomedical and optical devicesжурнализды как обычно