Open AccessBroadband antireflective surface-relief structure for THz optics
Author(s) -
Claudia Brückner,
B. Pradarutti,
Olaf Stenzel,
Ralf Steinkopf,
S. Riehemann,
Gunther Notni,
Andreas Tünnermann
Publication year - 2007
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.15.000779
Subject(s) - anti reflective coating , optics , broadband , terahertz radiation , materials science , grating , optoelectronics , physics , nanotechnology , layer (electronics)
The requirements for a broadband antireflective structure in the THz spectral region are derived. Optimized structural parameters for a surface-relief grating adapted to the spectrum of an intended THz pulse are deduced. The effect of a structure fabricated into Topas((R)) by a single-point diamond-turning process is demonstrated.
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