Evaluation of the shadow effect in terahertz kinoform gratings

Jarosław Suszek , Maciej Sypek , Michał Makowski , F. Garet , Izabela Ducin , Karol Kakarenko , Jarosław Bomba , J.-L. Coutaz

Abstract

The experimental and numerical evaluation of the shadow effect in kinoform diffractive gratings for the terahertz (THz) range is given. This effect limits the diffractive efficiency of dense gratings, which are the base of the elements suited for convenient beam focusing and imaging in THz. The observed effect of redirecting most of the incident energy into stray -1st diffractive order is observed and discussed. The presented results show the great significance of the shadow effect in selected kinoform gratings and prove the utility of the used methodology of numerical simulations. © 2013 Optical Society of America.
Author Jarosław Suszek (FP / OPD)
Jarosław Suszek,,
- Optics and Photonics Division
, Maciej Sypek (FP / OPD)
Maciej Sypek,,
- Optics and Photonics Division
, Michał Makowski (FP / OPD)
Michał Makowski,,
- Optics and Photonics Division
, F. Garet - [Universite Savoie Mont Blanc]
F. Garet,,
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, Izabela Ducin (FP / OPD)
Izabela Ducin,,
- Optics and Photonics Division
, Karol Kakarenko (FP / OPD)
Karol Kakarenko,,
- Optics and Photonics Division
, Jarosław Bomba (FP / OPD)
Jarosław Bomba,,
- Optics and Photonics Division
, J.-L. Coutaz - [Universite Savoie Mont Blanc]
J.-L. Coutaz,,
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Journal seriesOptics Letters, ISSN 0146-9592
Issue year2013
Vol38
No9
Pages1464-1466
ASJC Classification3107 Atomic and Molecular Physics, and Optics
DOIDOI:10.1364/OL.38.001464
URL http://www.scopus.com/inward/record.url?eid=2-s2.0-84877125617&partnerID=40&md5=e592a8cba605292c53292a7c3fabfc9a
LanguageEnglish
Score (nominal)45
Score sourcejournalList
ScoreMinisterial score = 45.0, 10-06-2020, ArticleFromJournal
Ministerial score (2013-2016) = 45.0, 10-06-2020, ArticleFromJournal
Publication indicators Scopus Citations = 5; WoS Citations = 4; GS Citations = 6.0; Scopus SNIP (Source Normalised Impact per Paper): 2013 = 2.058; WoS Impact Factor: 2013 = 3.179 (2) - 2013=3.119 (5)
Citation count*6 (2020-09-09)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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