Broadband Silicon Absorber of Terahertz Radiation


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Abstract

A three-layer structure is fabricated on a low-resistance silicon substrate using plasma chemical etching. We study it experimentally and show that a substrate with such a structure can be used as an absorber of terahertz (THz) radiation in the frequency range of 0.5−2.0 THz. For this structure, absorbance in the indicated frequency range is measured to be more than 95%.

About the authors

V. S. Pavelyev

Samara National Research University; Image Processing System Institute, Russian Academy of Sciences

Author for correspondence.
Email: pavelyev10@mail.ru
Russian Federation, Samara; Samara

K. N. Tukmakov

Samara National Research University; Image Processing System Institute, Russian Academy of Sciences

Email: pavelyev10@mail.ru
Russian Federation, Samara; Samara

A. S. Reshetnikov

Samara National Research University; Image Processing System Institute, Russian Academy of Sciences

Email: pavelyev10@mail.ru
Russian Federation, Samara; Samara

I. A. Tsibizov

Tydex, LLC

Email: pavelyev10@mail.ru
Russian Federation, St. Petersburg

G. I. Kropotov

Tydex, LLC

Email: pavelyev10@mail.ru
Russian Federation, St. Petersburg

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