S. Helfert - Publications, H-index & Citations

S. Helfert

fern university hagen

23H指数

130论文数

2.5K被引数

收录论文 29

发表时间

Micropatterning of Confined Surfaces with Polymer Brushes by Two-Photon-Initiated Reversible Addition-Fragmentation Chain-Transfer Polymerization 受限表面上的聚合物刷微图案化：基于双光子引发的可逆加成-断裂链转移聚合反应

SMALL SCIENCE

IF8.3

2024-11-21

OAAI

Helfert, Stefan; Zandrini, Tommaso; Rufin, Manuel; Machata, Peter; Zahoranova, Anna; Andriotis, Orestis G.; Thurner, Philipp J.; Liska, Robert; Baudis, Stefan

Space-variant polarization conversion with artificial birefringent metallic elements

OPTICS LETTERS

IF3.3

2022-04-12

PREAI

Belle, Stefan; Helfert, Stefan F.; Kefer, Stefan; Hellmann, Ralf; Jahns, Jurgen

Analysis of multiconductor transmission lines using the time domain method of lines

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS

IF3.2

2021-08-01

PREAI

Chilan, Maryam; Pirhadi, Abbas; Asadi, Shahrooz; Helfert, Stefan

The numerical investigation of colliding optical solitons as an all-optical-gate using the method of Lines

OPTICAL AND QUANTUM ELECTRONICS

IF4

2019-04-16

PREAI

Spiller, Waldemar; Helfert, Stefan F.; Jahns, Juergen

Structured illumination of a sub-wavelength hollow-waveguide array

OPTICAL AND QUANTUM ELECTRONICS

IF4

2019-02-22

PREAI

Helfert, Stefan F.; Jahns, Juergen

Numerical simulation of hollow waveguide arrays as polarization converting elements and experimental verification

OPTICAL AND QUANTUM ELECTRONICS

IF4

2017-09-01

PREAI

Helfert, Stefan F.; Seiler, Thomas; Jahns, Juergen; Becker, Jing; Jakobs, Peter; Bacher, Andreas

Modelling the coupling of electromagnetic waves to cylindrical waveguides with the Method of Lines

OPTICAL AND QUANTUM ELECTRONICS

IF4

2016-03-18

PREAI

Helfert, Stefan F.

Full vectorial band structure computation of photonic crystals with hexagonal lattice and a staircase approximation of the slanted unit cells

OPTICAL AND QUANTUM ELECTRONICS

IF4

2012-11-28

PREAI

Helfert, Stefan F.; Daubenschuez, Markus

Wave guiding properties of ribbed surface waveguides in three frequency domains

OPTICAL AND QUANTUM ELECTRONICS

IF4

2012-09-16

PREAI

Jones, Christopher Alain; Helfert, Stefan Franz; Jahns, Juergen; Limmer, Steffen; Fey, Dietmar

Transmission characteristics in plasmonic multimode waveguides

OPTICAL AND QUANTUM ELECTRONICS

IF4

2011-01-23

PREAI

Edelmann, Andre G.; Helfert, Stefan F.; Jahns, Juergen

Staircase approximation of oblique boundaries to compute band structures of photonic crystals

OPTICAL AND QUANTUM ELECTRONICS

IF4

2011-01-04

PREAI

Helfert, Stefan F.

Three-dimensional analysis of hexagonal structured photonic crystals using oblique coordinates

OPTICAL AND QUANTUM ELECTRONICS

IF4

2009-11-04

PREAI

Edelmann, Andre G.; Helfert, Stefan F.

Applying oblique coordinates to the method of lines

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER

IF9.3

2006-01-01

PREAI

Helfert, S. F.

Radiation loss and mode field distribution in curved holey fibers

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS

IF3.2

2005-06-01

PREAI

Goncharenko, IA; Helfert, SF; Pregla, R

Determination of Floquet modes in asymmetric periodic structures

OPTICAL AND QUANTUM ELECTRONICS

IF4

2005-01-01

PREAI

Helfert, SF

The Cassini Cosmic Dust Analyzer

SPACE SCIENCE REVIEWS

IF7.4

2004-09-01

268

PREAI

Srama, R; Ahrens, TJ; Altobelli, N; Auer, S; Bradley, JG; Burton, M; Dikarev, VV; Economou, T; Fechtig, H; Görlich, M; Grande, M; Graps, A; Grün, E; Havnes, O; Helfert, S; Horanyi, M; Igenbergs, E; Jessberger, EK; Johnson, TV; Kempf, S; Krivov, AV; Krüger, H; Mocker-Ahlreep, A; Moragas-Klostermeyer, G; Lamy, P; Landgraf, M; Linkert, D; Linkert, G; Lura, F; McDonnell, JAM; Mohlmann, D; Morfill, GE; Müller, M; Roy, M; Schäfer, G; Schlotzhauer, G; Schwehm, GH; Spahn, F; Stübig, M; Svestka, J; Tschernjawski, V; Tuzzolino, AJ; Wäsch, R; Zook, HA

Numerical stable determination of Floquet-modes and the application to the computation of band structures

OPTICAL AND QUANTUM ELECTRONICS

IF4

2004-01-01

PREAI

Helfert, SF

Three-dimensional vectorial analysis of waveguide structures with the method of lines

OPTICAL AND QUANTUM ELECTRONICS

IF4

2003-03-01

PREAI

Helfert, SF; Barcz, A; Pregla, R