Title :
Fabrication of thin metallic-film subwavelength-grating polarizers for terahertz region by the imprinting method
Author :
Shiraishi, K. ; Kofuji, M. ; Inagawa, Y. ; Yoda, H. ; Tsai, C.S.
Author_Institution :
Grad. Sch. of Eng., Utsunomiya Univ., Utsunomiya, Japan
Abstract :
Fabrication of metallic-film subwavelength-grating polarizers is greatly simplified by employing the imprinting technique. The extinction ratio of polarizers fabricated is as high as 45dB together with an insertion loss lower than 0.5dB at around 2.3THz.
Keywords :
diffraction gratings; metallic thin films; optical fabrication; optical polarisers; extinction ratio; frequency 2.3 THz; imprinting method; insertion loss; subwavelength grating polarizers; terahertz region; thin metallic film; Extinction ratio; Frequency measurement; Gratings; Insertion loss; Loss measurement; Propagation losses; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
