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Design, fabrication and investigation of a subwavelength axicon for terahertz beam polarization transforming

S.N. Khonina1,2, K.N. Tukmakov1,2, S.A. Degtyarev1,2, A.S. Reshetnikov1, V.S. Pavelyev1,2, B.A. Knyazev1,3,4, Yu.Yu. Choporova1,3,4

Samara National Research University,
443086, Russia, Samara, Moskovskoye Shosse 34,  
IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS,  
Molodogvardeyskaya 151, 443001, Samara, Russia,  
Budker Institute of Nuclear Physics of SB RAS, Novosibirsk, Russia,  
Novosibirsk State University, Novosibirsk, Russia

 PDF, 1388 kB

DOI: 10.18287/2412-6179-2019-43-5-756-764

Pages: 756-764.

Full text of article: Russian language.

A silicon subwavelengh terahertz axicon has been designed, fabricated, and investigated by methods of numerical and optical experiments. The research has been performed on a free-electron laser workstation NOVOFEL (Budker Institute of Nuclear Physics of SB RAS, Novosibirsk). Diffractive and polarization features of realized element have been investigated.

diffractive optical element, free electron laser, terahertz radiation, subwavelength axicon.

Khonina SN, Tukmakov KN, Degtyarev SA, Reshetnikov AS, Pavelyev VS, Knyazev BA, Choporova YuYu. Design, fabrication and investigation of a silicon subwavelength terahertz axicon. Computer Optics 2019; 43(5): 756-764. DOI: 10.18287/2412-6179-2019-43-5-756-764.

This work was financially supported by the Russian Science Foundation  under RSF grant No. 19-72-20202.


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