A near-infrared wide-band polarization-insensitive absorber is demonstrated. It is composed of two-dimensional titanium disk arrays and a gold plate. The absorption at normal incidence is above 90% in the range of 164.2THz to 345.2 THz.
© 2012 OSA
F. Ding, Y. Jin, and S. He, "Ultra-broadband near-infrared metamaterial absorber," in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2012), paper ATh2F.7.
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