Title :
3-D-Printed Flat Optics for THz Linear Scanners
Author :
Suszek, Jaroslaw ; Siemion, Agnieszka ; Bieda, Marcin S. ; Blocki, Narcyz ; Coquillat, Dominique ; Cywinski, Grzegorz ; Czerwinska, Elzbieta ; Doch, Marta ; Kowalczyk, Adam ; Palka, Norbert ; Sobczyk, Artur ; Zagrajek, Przemyslaw ; Zaremba, Marcin ; Kolod
Author_Institution :
Opt. Inf. Process. Lab., Warsaw Univ. of Technol., Warsaw, Poland
Abstract :
THz beam shaping via a single diffractive optical element is used to convert a divergent beam into a focal line segment perpendicular to the optical axis. The novel structure was designed for narrowband applications as a kinoform element and we successfully applied it in active, high-speed, THz linear scanners. The theoretical approach and experimental results are presented.
Keywords :
diffractive optical elements; optical scanners; terahertz wave imaging; 3D-printed flat optics; active high-speed terahertz linear scanners; divergent beam; focal line segment; kinoform element; narrowband applications; optical axis; single diffractive optical element; terahertz beam shaping; Detectors; Lenses; Optical diffraction; Optical imaging; Imaging; product safety engineering; security;
Journal_Title :
Terahertz Science and Technology, IEEE Transactions on
DOI :
10.1109/TTHZ.2015.2398313
