A Broadband Micro-machined Far-Infrared Absorber

Edward J. Wollack, Aaron M. Datesman, Christine A. Jhabvala +2

The experimental investigation of a broadband far-infrared meta-material absorber is described. The observed absorptance is $>0.95$ from $1-20\mathrm{THz}$ ($300-15\mu \mathrm{m}$) ov…