Hammerschmidt, Dr. Martin

Position:

Guest

Room:

2032

Division:

Mathematics of Complex Systems

Department:

Modeling and Simulation of Complex Processes

Research group:

Computational Nano Optics

Mail:

hammerschmidt

zib.de

Phone:

+49 30 84185 - 149

Fax:

+49 30 84185 - 107

Projects

Head

Integrated Optical Cavities

Member

Joint Lab BerOSE

Publications

2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012

2023
Lilli Kuen, Fridtjof Betz, Felix Binkowski, Philipp-Immanuel Schneider, Martin Hammerschmidt, Niels Heermeier, Sven Rodt, Stephan Reitzenstein, Sven Burger	Applying a Riesz-projection-based contour integral eigenvalue solver to compute resonance modes of a VCSEL	Proc. SPIE, p. 125750J, Vol.12575, 2023	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Cover Picture: Resonance Expansion of Quadratic Quantities with Regularized Quasinormal Modes	Phys. Status Solidi A, Vol.220, p. 2370013, 2023	BibTeX DOI
Matthias Plock, Martin Hammerschmidt, Sven Burger, Philipp-Immanuel Schneider, Christof Schütte	Impact Study of Numerical Discretization Accuracy on Parameter Reconstructions and Model Parameter Distributions	arXiv, 2023 (under review)	BibTeX DOI arXiv
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Resonance expansion of quadratic quantities with regularized quasinormal modes	Phys. Status Solidi A, Vol.220, p. 2200892, 2023	BibTeX DOI arXiv
2022
Philipp-Immanuel Schneider, Lin Zschiedrich, Martin Hammerschmidt, Lilli Kuen, Ivan Sekulic, Julien Kluge, Bastian Leykauf, Markus Krutzik, Sven Burger	Boosting quantum optics experiments with Bayesian optimization	Proc. SPIE, p. 122270F, Vol.12227, 2022	BibTeX DOI
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Computation of eigenfrequency sensitivities using Riesz projections for efficient optimization of nanophotonic resonators	Commun. Phys., Vol.5, p. 202, 2022	BibTeX DOI arXiv
Phillip Manley, Jan Krüger, Lin Zschiedrich, Martin Hammerschmidt, Bernd Bodermann, Rainer Köning, Philipp-Immanuel Schneider	Elementary, my dear Zernike: model order reduction for accelerating optical dimensional microscopy	EPJ Web Conf., p. 10010, Vol.266, 2022	BibTeX DOI
Klaus Jäger, Johannes Sutter, Philipp Tockhorn, Martin Hammerschmidt, Philipp-Immanuel Schneider, Steve Albrecht, Christiane Becker	Improving perovskite/silicon tandem solar cells with optical simulations	Proc. SPIE, p. PC1215001, Vol.PC12150, 2022	BibTeX DOI
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Numerical methods for the investigation of resonances in nanophotonics	The 12th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2022), S. Zouhdi (Ed.), p. 247, 2022	BibTeX
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Source code and simulation data for Computation of eigenfrequency sensitivities using Riesz projections for efficient optimization of nanophotonic resonators	Zenodo, 2022	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Source code and simulation results for computing resonance expansions of quadratic quantities with regularized quasinormal modes	Zenodo, 2022	BibTeX DOI
Xavier Garcia Santiago, Martin Hammerschmidt, Johannes Sachs, Sven Burger, Hyunah Kwon, Marvin Knöller, Tilo Arens, Peer Fischer, Ivan Fernandez-Corbaton, Carsten Rockstuhl	Toward maximally electromagnetically chiral scatterers at optical frequencies	ACS Photonics, Vol.9, p. 1954, 2022	BibTeX DOI arXiv
Jan Krüger, Phillip Manley, Lin Zschiedrich, Martin Hammerschmidt, Philipp-Immanuel Schneider, Rainer Köning, Bernd Bodermann	Untersuchung des Schwingungseinflusses auf gemessene Punktspreizfunktionen in der optischen Mikroskopie	Proc. DGaO, p. P5, 2022	BibTeX URN
2021
Felix Binkowski, Fridtjof Betz, Remi Colom, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Contour integral methods for resonance phenomena in nano-optics	The 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2021), S. Zouhdi, D. Pawlak, A. Kudelski (Eds.), p. 523, 2021	BibTeX
Phillip Manley, Michele Segantini, Doguscan Ahiboz, Martin Hammerschmidt, Georgios Arnaoutakis, Rowan W. MacQueen, Sven Burger, Christiane Becker	Double-layer metasurface for enhanced photon up-conversion	APL Photon., Vol.6, p. 036103, 2021	BibTeX DOI arXiv
Anton V. Pakhomov, Martin Hammerschmidt, Sven Burger, Thomas Pertsch, Frank Setzpfand	Modeling of surface-induced second-harmonic generation from multilayer structures by the transfer matrix method	Opt. Express, Vol.29, p. 9098, 2021	BibTeX DOI
Klaus Jäger, Johannes Sutter, Philipp-Immanuel Schneider, Martin Hammerschmidt, Christiane Becker	Optical simulations of nanotextured perovskite/silicon tandem solar cell	HZB Data Service, 2021	BibTeX DOI
Cem Güney Torun, Philipp-Immanuel Schneider, Martin Hammerschmidt, Sven Burger, Joseph H.D. Munns, Tim Schröder	Optimized diamond inverted nanocones for enhanced color center to fiber coupling	Appl. Phys. Lett., Vol.118, p. 234002, 2021	BibTeX DOI arXiv
Peter Tillmann, Benedikt Bläsi, Sven Burger, Martin Hammerschmidt, Oliver Höhn, Christiane Becker, Klaus Jäger	Optimizing metal grating back reflectors for III-V-on-silicon multijunction solar cells	Opt. Express, Vol.29, p. 22517, 2021	BibTeX DOI
Klaus Jäger, Johannes Sutter, Martin Hammerschmidt, Philipp-Immanuel Schneider, Christiane Becker	Prospects of light management in perovskite/silicon tandem solar cells	Nanophotonics, Vol.10, p. 1991, 2021	BibTeX DOI
2020
Nando Farchmin, Martin Hammerschmidt, Philipp-Immanuel Schneider, Matthias Wurm, Bernd Bodermann, Markus Bär, Sebastian Heidenreich	Efficient Bayesian inversion for shape reconstruction of lithography masks	J. Micro/Nanolith. MEMS MOEMS, Vol.19, p. 024001, 2020	BibTeX DOI
Mika Pflüger, R. Joseph Kline, Analia Fernández Herrero, Martin Hammerschmidt, Victor Soltwisch, Michael Krumrey	Extracting dimensional parameters of gratings produced with self-aligned multiple patterning using grazing-incidence small-angle x-ray scattering	J. Micro Nanolithogr. MEMS MOEMS, Vol.19, p. 014001, 2020	BibTeX DOI arXiv
Mika Pflüger, R Joseph Kline, Analía Fernández Herrero, Martin Hammerschmidt, Victor Soltwisch, Michael Krumrey	Extracting dimensional parameters of gratings produced with self-aligned multiple patterning using grazing-incidence small-angle x-ray scattering [Source Code]	2020	BibTeX DOI
Anton Pakhomov, Franz Löchner, Lin Zschiedrich, Sina Saravi, Martin Hammerschmidt, Sven Burger, Thomas Pertsch, Frank Setzpfand	Far-field polarization signatures of surface optical nonlinearity in noncentrosymmetric semiconductors	Sci. Rep., Vol.10, p. 10545, 2020	BibTeX DOI
Martin Hammerschmidt, Sandra Döpking, Sven Burger, Sebastian Matera	Field Heterogeneities and Their Impact on Photocatalysis: Combining Optical and Kinetic Monte Carlo Simulations on the Nanoscale	J. Phys. Chem. C, Vol.124, p. 3177, 2020 (preprint available as ZIB-Report 17-20)	PDF (ZIB-Report) BibTeX DOI
Felix Binkowski, Fridtjof Betz, Rémi Colom, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Modal expansion of optical far-field quantities using quasinormal modes	EPJ Web Conf., p. 05007, Vol.238, 2020	BibTeX DOI
Phillip Manley, Sebastian Walde, Sylvia Hagedorn, Martin Hammerschmidt, Sven Burger, Christiane Becker	Nanopatterned Sapphire Substrates in Deep-UV LEDs: Is there an Optical Benefit?	Opt. Express, Vol.28, p. 3619, 2020	BibTeX DOI
Rémi Colom, Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Quasi-normal mode expansion as a tool for the design of nanophotonic devices	EPJ Web Conf., p. 05008, Vol.238, 2020	BibTeX DOI
Felix Binkowski, Fridtjof Betz, Rémi Colom, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Quasinormal mode expansion of optical far-field quantities	Phys. Rev. B, Vol.102, p. 035432, 2020	BibTeX arXiv DOI
2019
Philipp-Immanuel Schneider, Xavier Garcia Santiago, Victor Soltwisch, Martin Hammerschmidt, Sven Burger, Carsten Rockstuhl	Benchmarking five global optimization approaches for nano-optical shape optimization and parameter reconstruction	ACS Photonics, Vol.6, p. 2726, 2019	BibTeX DOI arXiv
Xavier Garcia Santiago, Martin Hammerschmidt, Sven Burger, Carsten Rockstuhl, Ivan Fernandez-Corbaton, Lin Zschiedrich	Decomposition of scattered electromagnetic fields into vector spherical wave functions on surfaces with general shapes	Phys. Rev. B, Vol.99, p. 045406, 2019	BibTeX DOI arXiv
Nando Farchmin, Martin Hammerschmidt, Philipp-Immanuel Schneider, Matthias Wurm, Markus Bär, Sebastian Heidenreich	Efficient global sensitivity analysis for silicon line gratings using polynomial chaos	Proc. SPIE, Vol.11057, p. 110570J, 2019	BibTeX DOI
Anna Andrle, Philipp Hönicke, Philipp-Immanuel Schneider, Yves Kayser, Martin Hammerschmidt, Sven Burger, Frank Scholze, Burkhard Beckhoff, Victor Soltwisch	Grazing incidence x-ray fluorescence based characterization of nanostructures for element sensitive profile reconstruction	Proc. SPIE, Vol.11057, p. 110570M, 2019	BibTeX DOI arXiv
Felix Binkowski, Lin Zschiedrich, Martin Hammerschmidt, Sven Burger	Modal analysis for nanoplasmonics with nonlocal material properties	Phys. Rev. B, Vol.100, p. 155406, 2019	BibTeX DOI arXiv
Phillip Manley, Martin Hammerschmidt, Sven Burger, Christiane Becker	Nanophotonic Enhancement of Light Out-Coupling for Deep-UV LEDs	The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019), Said Zhoudi, Antonio Topa (Eds.), p. 745, 2019	BibTeX
Felix Binkowski, Philipp-Immanuel Schneider, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Numerical optimization of resonant nanophotonic devices	The Seventh International School and Conference on Photonics (PHOTONICA Belgrade), Milica Matijević, Marko Krstić, Petra Beličev (Eds.), p. 10, 2019, ISBN: 978-86-7306-153-5	BibTeX
Martin Hammerschmidt, Lin Zschiedrich, Philipp-Immanuel Schneider, Felix Binkowski, Sven Burger	Numerical optimization of resonant photonic devices	Proc. SPIE, p. 1105702, Vol.11057, 2019	BibTeX DOI
Felix Binkowski, Lin Zschiedrich, Philipp-Immanuel Schneider, Martin Hammerschmidt, Xavier Garcia Santiago, Fridtjof Betz, Sven Burger	Spectral Expansion of the Scattering Response of Resonant Nanostructures	EOS Topical Meeting on Diffractive Optics, Kimmo Saastamoinen (Ed.), p. 1, 2019, ISBN: 978-952-68553-8-7	BibTeX
Philipp-Immanuel Schneider, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Using Gaussian process regression for efficient parameter reconstruction	Proc. SPIE, Vol.10959, p. 1095911, 2019	BibTeX DOI arXiv
2018
Klaus Jäger, Phillip Manley, Duote Chen, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker	Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells	Proc. SPIE, Vol.10688, p. 106880A, 2018	BibTeX DOI arXiv
Martin Hammerschmidt, Jakub Pabisiak, Ana Cristina Perez-Gea, Nicolas Julian, Sean Hon, Sven Burger	Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures	Proc. SPIE, Vol.10542, p. 105421G, 2018	BibTeX DOI
Philipp-Immanuel Schneider, Xavier Garcia Santiago, Felix Binkowski, Philipp Gutsche, Theresa Höhne, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Light Management for Engineering Luminescence in Nanoscale Environments By Numerical Optimization	The Electrochemical Society, Meeting Abstracts, p. 1164, Vol.16, 2018	BibTeX DOI
Klaus Jäger, Phillip Manley, David Eisenhauer, Philipp Tockhorn, Johannes Sutter, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker	Light management with sinusoidal nanotextures	Light, Energy and the Environment 2018, p. OT5C.5, OSA Technical Digest, 2018	BibTeX DOI
Duote Chen, Phillip Manley, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker, Klaus Jäger	Nanophotonic Light Management for Perovskite-Silicon Tandem Solar Cells	J. Photonics Energy, Vol.8, p. 022601, 2018	BibTeX DOI arXiv
Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker	On accurate simulations of thin-film solar cells with a thick glass superstrate	Opt. Express, Vol.26, p. A99, 2018	BibTeX DOI
Martin Hammerschmidt, Philipp-Immanuel Schneider, Xavier Garcia Santiago, Lin Zschiedrich, Martin Weiser, Sven Burger	Solving inverse problems appearing in design and metrology of diffractive optical elements by using Bayesian optimization	Proc. SPIE, Vol.10694, p. 1069407, 2018	BibTeX DOI
2017
Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker	Accurate optical simulations of periodic nanostructures on a thick glass substrate	29th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), 2017	PDF BibTeX
Gauri Mangalgiri, Makars Šiškins, Alina Arslanova, Martin Hammerschmidt, Phillip Manley, Wiebke Riedel, Martina Schmid	Highly Transmittive Broadband Dielectric Nanoholes	CLEO, p. JTu5A.117, OSA Tech. Dig., 2017	BibTeX DOI
Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Martin Hammerschmidt, Sven Burger, Christiane Becker	Increased fluorescence of PbS quantum dots in photonic crystals by excitation enhancement	Appl. Phys. Lett., Vol.111, p. 031111, 2017	BibTeX DOI arXiv
Klaus Jäger, Grit Köppel, David Eisenhauer, Duote Chen, Martin Hammerschmidt, Sven Burger, Christiane Becker	Optical simulations of advanced light management for liquid-phase crystallized silicon thin-film solar cells	Proc. SPIE, Vol.10356, p. 103560F, 2017	BibTeX DOI
Martin Hammerschmidt, Martin Weiser, Xavier Garcia Santiago, Lin Zschiedrich, Bernd Bodermann, Sven Burger	Quantifying parameter uncertainties in optical scatterometry using Bayesian inversion	Proc. SPIE, Vol.10330, p. 1033004, 2017 (preprint available as ZIB-Report 17-37)	PDF (ZIB-Report) BibTeX DOI arXiv
2016
Martin Hammerschmidt, Carlo Barth, Sven Burger, Christiane Becker, Frank Schmidt	Determining 2D photonic crystal geometries from reflectance spectra with a reduced basis method	Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 281, 2016, ISBN: 978-1-5108-4796-5	BibTeX
Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker	Increased fluorescence of PbS quantum dots on photonic crystal slab structures	Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 181, 2016, ISBN: 978-1-5108-4796-5	BibTeX
Martin Hammerschmidt, Sven Herrmann, Jan Pomplun, Sven Burger, Frank Schmidt	Model order reduction for the time-harmonic Maxwell equation applied to complex nanostructures	Proc. SPIE, Vol.9742, p. 97420M, 2016 (preprint available as ZIB-Report 16-05)	PDF (ZIB-Report) BibTeX DOI
Carlo Barth, Jürgen Probst, Sven Herrmann, Martin Hammerschmidt, Christiane Becker	Numerical characterization of symmetry properties for photonic crystals with hexagonal lattice	Proc. SPIE, Vol.9885, p. 988506, 2016	BibTeX DOI
Klaus Jäger, Martin Hammerschmidt, Grit Köppel, Sven Burger, Christiane Becker	On Accurate Simulations of Thin-Film Solar Cells With a Thick Glass Superstrate	Light, Energy and the Environment 2016, p. PM3B.5, OSA Technical Digest, 2016	BibTeX DOI
Philipp Gutsche, Lisa Poulikakos, Sven Burger, Martin Hammerschmidt, Frank Schmidt	Optical chirality: conservation law in arbitrary space	606. WE-Heraeus-Seminar on Nanophotonics and Complex Spatial Modes of Light, 2016	BibTeX
Martin Hammerschmidt	Optical simulation of complex nanostructured solar cells with a reduced basis method	Doctoral thesis, Freie Universität Berlin, Frank Schmidt, Bernd Rech, Ralf Kornhuber (Advisors), 2016	BibTeX URN
Martin Hammerschmidt, Carlo Barth, Jan Pomplun, Sven Burger, Christiane Becker, Frank Schmidt	Reconstruction of photonic crystal geometries using a reduced basis method for nonlinear outputs	Proc. SPIE, Vol.9756, p. 97561R, 2016 (preprint available as ZIB-Report 16-06)	PDF (ZIB-Report) BibTeX DOI URN
Martin Hammerschmidt, Sven Herrmann, Jan Pomplun, Sven Burger, Frank Schmidt	Reduced basis method for electromagnetic scattering problem: a case study for FinFETs	Optical and Quantum Electronics, Vol.48, p. 250, 2016 (preprint available as ZIB-Report 16-10)	PDF (ZIB-Report) BibTeX DOI
Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker	Simulations of sinusoidal nanotextures for coupling light into c-Si thin-film solar cells	Opt. Express, Vol.24, p. A569, 2016	BibTeX DOI
Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker	Sinusoidal Nanotextures for Enhanced Light Management in Thin-Film Solar Cells	28th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), European Society for Quantum Solar Energy Conversion (Ed.), 2016	PDF BibTeX
Klaus Jäger, Grit Köppel, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker	Sinusoidal gratings for optimized light management in c-Si thin-film solar cells	Proc. SPIE, Vol.9898, p. 989808, 2016	BibTeX DOI
Philipp Gutsche, Lisa Poulikakos, Martin Hammerschmidt, Sven Burger, Frank Schmidt	Time-harmonic optical chirality in inhomogeneous space	Proc. SPIE, Vol.9756, p. 97560X, 2016	BibTeX DOI arXiv
2015
Carlo Barth, Klaus Jäger, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker	Design of Photonic Crystals with Near-Surface Field Enhancement	Light, Energy and the Environement 2015, p. JTu5A.9, OSA Technical Digest, 2015	BibTeX DOI
Sven Burger, Philipp Gutsche, Martin Hammerschmidt, Sven Herrmann, Jan Pomplun, Frank Schmidt, Benjamin Wohlfeil, Lin Zschiedrich	Hp-finite-elements for simulating electromagnetic fields in optical devices with rough textures	Proc. SPIE, p. 96300S, Vol.9630, 2015	BibTeX DOI arXiv
Martin Hammerschmidt, Sven Herrmann, Jan Pomplun, Lin Zschiedrich, Sven Burger, Frank Schmidt	Reduced basis method for Maxwell's equations with resonance phenomena	ZIB-Report 15-37 (Proc. SPIE 9630, 96300R (2015))	PDF BibTeX URN DOI
Sven Burger, Martin Hammerschmidt, Sven Herrmann, Jan Pomplun, Frank Schmidt	Reduced basis methods for optimization of nano-photonic devices	Proc. Int. Conf. Numerical Simulation of Optoelectronic Devices (NUSOD), p. 159, 2015	BibTeX DOI
Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker	Sinusoidal Nanotextures for Coupling Light into c-Si Thin-Film Solar Cells	Light, Energy and the Environement 2015, p. PTu4B.3, OSA Technical Digest, 2015	BibTeX DOI
2014
Christiane Becker, Philippe Wyss, David Eisenhauer, Jürgen Probst, Veit Preidel, Martin Hammerschmidt, Sven Burger	5 x 5 cm2 silicon photonic crystal slabs on glass and plastic foil exhibiting broadband absorption and high-intensity near-fields	Sci. Rep., Vol.4, p. 5886, 2014	BibTeX DOI
Daniel Lockau, Martin Hammerschmidt, Jan Haschke, Mark Blome, Florian Ruske, Frank Schmidt, Bernd Rech	A comparison of scattering and non-scattering anti-reflection designs for back contacted polycrystalline thin film silicon solar cells in superstrate configuration	Proc. SPIE, p. 914006, Vol.9140, Photonics for Solar Energy Systems, 2014	BibTeX DOI
Martin Hammerschmidt, Jan Pomplun, Sven Burger, Frank Schmidt	Adaptive sampling strategies for effcient parameter scans in nano-photonic device simulations	Proc. SPIE, p. 89801O, Vol.8980, 2014 (preprint available as ZIB-Report 14-20)	PDF (ZIB-Report) BibTeX DOI
Daniel Lockau, Tobias Sontheimer, Veit Preidel, Florian Ruske, Martin Hammerschmidt, Christiane Becker, Frank Schmidt, Bernd Rech	Advanced microhole arrays for light trapping in thin film silicon solar cells	Solar Energy Materials and Solar Cells, Vol.125, pp. 298-304, 2014	BibTeX DOI
Simon Kirner, Martin Hammerschmidt, Christoph Schwanke, Daniel Lockau, Sonya Calnan, Tim Frijnts, Sebastian Neubert, Andreas Schöpke, Frank Schmidt, Jens-Hendrik Zollondz, Andreas Heidelberg, Bernd Stannowski, Bernd Rech, Rutger Schlatmann	Implications of TCO Topography on Intermediate Reflector Design for a-Si/μc-Si Tandem Solar Cells — Experiments and Rigorous Optical Simulations	IEEE Journal of Photovoltaics, 4(1), pp. 10-15, 2014	BibTeX DOI
Martin Hammerschmidt, Daniel Lockau, Lin Zschiedrich, Frank Schmidt	Optical modelling of incoherent substrate light-trapping in silicon thin film multi-junction solar cells with finite elements and domain decomposition	Proc. SPIE: Physics and Simulation of Optoelectronic Devices XXII, p. 898007, Vol.8980, 2014 (preprint available as ZIB-Report 14-21)	PDF (ZIB-Report) BibTeX DOI
Daniel Lockau, Martin Hammerschmidt, Mark Blome, Frank Schmidt	Optics of thin film solar cells	MATHEON-Mathematics for Key Technologies, Vol.1, pp. 278-279, Peter Deuflhard, et al. (Eds.), European Mathematical Society, 2014	BibTeX DOI
2013
Martin Hammerschmidt, Daniel Lockau, Sven Burger, Frank Schmidt, Christoph Schwanke, Simon Kirner, Sonya Calnan, Bernd Stannowski, Bernd Rech	FEM-based optical modeling of silicon thin-film tandem solar cells with randomly textured interfaces in 3D	Proc. SPIE, Vol.8620, p. 86201H, 2013	BibTeX DOI
2012
Martin Hammerschmidt, Daniel Lockau, Sven Burger, Frank Schmidt, Christoph Schwanke, Simon Kirner, Sonya Calnan, Bernd Stannowski, Bernd Rech	3D optical modeling of thin-film a-Si/mc-Si tandem solar cells with random textured interfaces using FEM	Renewable Energy and the Environment Optics and Photonics Congress, p. JM5A.15, 2012	BibTeX DOI
Lin Zschiedrich, Horst Greiner, Jan Pomplun, Martin Hammerschmidt, Sven Burger, Frank Schmidt	FEM simulations of light extraction from nanostructured organic light-emitting diodes	Renewable Energy and the Environment Optics and Photonics Congress, p. LT2B.5, 2012	BibTeX DOI