Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2017Investigation of the refractive index repeatability for tantalum pentoxide coatings, prepared by physical vapor film deposition techniques
Stenzel, O.; Wilbrandt, S.; Wolf, J.; Schürmann, M.; Kaiser, N.; Ristau, D.; Ehlers, H.; Carstens, F.; Schippel, S.; Mechold, L.; Rauhut, R.; Kennedy, M.; Bischoff, M.; Nowitzki, T.; Zöller, A.; Hagedorn, H.; Reus, H.; Hegemann, T.; Starke, K.; Harhausen, J.; Foest, R.; Schumacher, J.
Journal Article
2016Investigation of the refractive index reproducibility for tantalum pentoxide coatings, prepared by PVD techniques
Stenzel, O.; Wilbrandt, S.; Schürmann, M.; Kaiser, N.; Wolf, J.; Ristau, D.; Ehlers, H.; Carstens, F.; Schippel, S.; Mechold, L.; Rauhut, R.; Kennedy, M.; Bischoff, M.; Nowitzki, T.; Zöller, A.; Hagedorn, H.; Reus, H.; Hegemann, T.; Starke, K.; Harhausen, J.; Foest, R.; Schumacher, J.
Conference Paper
2015Simulation in thin film technology
Turowski, M.; Jupe, M.; Ehlers, H.; Melzig, T.; Pflug, A.; Ristau, D.
Conference Paper
2014Optical properties of UV-transparent aluminum oxide / aluminum fluoride mixture films, prepared by plasma-ion assisted evaporation and ion beam sputtering
Stenzel, Olaf; Wilbrandt, Steffen; Du, Shan; Franke, Christian; Kaiser, Norbert; Tünnermann, Andreas; Mende, Mathias; Ehlers, Henrik; Held, Mario
Journal Article
2012Applying hafnia mixtures to enhance the laser-induced damage threshold of coatings for third-harmonic generation optics
Mende, M.; Jensen, L.O.; Ehlers, H.; Bruns, S.; Vergöhl, M.; Burdack, P.; Ristau, D.
Conference Paper
2011Mixed oxide coatings for optics
Stenzel, O.; Wilbrandt, S.; Schürmann, M.; Kaiser, N.; Ehlers, H.; Mende, M.; Ristau, D.; Bruns, S.; Vergöhl, M.; Stolze, M.; Held, M.; Niederwald, H.; Koch, T.; Riggers, W.; Burdack, P.; Mark, G.; Schäfer, R.; Mewes, S.; Bischoff, M.; Arntzen, M.; Eisenkrämer, F.; Lappschies, M.; Jakobs, S.; Koch, S.; Baumgarten, B.; Tünnermann, A.
Journal Article
2011Optical and mechanical properties of oxide UV coatings, prepared by PVD techniques
Stenzel, O.; Schürmann, M.; Wilbrandt, S.; Kaiser, N.; Tünnermann, A.; Mende, M.; Ehlers, H.; Ristau, D.; Bruns, S.; Vergöhl, M.; Riggers, W.; Bischoff, M.; Held, M.
Conference Paper
2010Polymer-based passive photonic components with on-chip fiber grooves and thin film filters
Zhang, Z.; Mettbach, N.; Zawadzki, C.; Wagner, C.; Keil, N.; Grote, N.; Scheibe, A.; Ehlers, H.; Ristau, D.
Conference Paper
2009Long term tests of resonator optics in ArF excimer lasers
Beermann, N.; Blaschke, H.; Ehlers, H.; Ristau, D.; Wulff-Molder, D.; Jukresch, S.; Matern, A.; Bischoff, M.; Gäbler, D.; Kaiser, N.
Conference Paper
2009Ultra low-loss 1×2 multiplexer using thin-film filters on polymer integration platform
Keil, N.; Zhang, Z.; Zawadzki, C.; Wagner, C.; Scheibe, A.; Ehlers, H.; Ristau, D.; Wang, J.; Brinker, W.; Grote, N.
Journal Article
2008Investigation in the degradation of CaF2 outcouplers in excimer lasers operating at 193 nm
Blaschke, H.; Beermann, N.; Ehlers, H.; Ristau, D.; Bischoff, M.; Gäbler, D.; Kaiser, N.; Matern, A.; Wulff-Molder, D.
Conference Paper
2008Ultracompact microring laser-based optical-add multiplexer
Bennecer, A.; Ingham, J.D.; Williams, K.A.; Penty, R.V.; White, I.H.; Ehlers, H.; Hamacher, M.; Heidrich, H.
Journal Article
2004Ion-assisted deposition processes: Industrial network IntIon
Ehlers, H.; Becker, K.-J.; Beckmann, R.; Beermann, N.; Brauneck, U.; Fuhrberg, P.; Gäbler, D.; Jakobs, S.; Kaiser, N.; Kennedy, M.; König, F.; Laux, S.; Müller, J.C.; Rau, B.; Riggers, W.; Ristau, D.; Schäfer, D.; Stenzel, O.
Conference Paper
2004Optically clocked ultra long SOAs: A novel technique for high speed 3R signal regeneration
Slovak, J.; Bornholdt, C.; Busolt, U.; Bramann, G.; Schmidt, C.; Ehlers, H.; Nolting, H.P.; Sartorius, B.
Conference Paper
2003160 Gbit/s error-free all-optical demultiplexing using monolithically integrated band gap shifted Mach-Zehnder interferometer
Tekin, T.; Schubert, C.; Berger, J.; Schlak, M.; Maul, B.; Brinker, W.; Molt, R.; Ehlers, H.
Conference Paper
2003Experiments on DOA-estimation and beamforming for 60 GHz smart antennas
Choi, M.S.; Grosskopf, G.; Rohde, D.; Kuhlow, B.; Przyrembel, G.; Ehlers, H.
Conference Paper
2003High-speed balanced photodetector module with 20 dB broadband common-mode rejection ratio
Beling, A.; Bach, H.-G.; Schmidt, D.; Mekonnen, G.G.; Rohde, M.; Molle, L.; Ehlers, H.; Umbach, A.
Conference Paper
2003Maximum directivity beam-former at 60 GHz with optical feeder
Grosskopf, G.; Eggemann, R.; Ehlers, H.; Kortke, A.; Kuhlow, B.; Przyrembel, G.; Rohde, D.; Zinal, S.
Journal Article
2003Optical beam forming of mm-wave array antennas in a 60 GHz radio over fiber system
Kuhlow, B.; Przyrembel, G.; Ehlers, H.; Grosskopf, G.; Eggemann, R.; Rohde, D.; Zinal, S.
Conference Paper
2003Photonic beam forming of mm-wave smart antennas
Grosskopf, G.; Kuhlow, B.; Rohde, D.; Przyrembel, G.; Ehlers, H.
Conference Paper
2003Semiconductor based true all-optical synchronous modulator for 3R regeneration
Tekin, T.; Bornholdt, C.; Slovak, J.; Schlak, M.; Sartorius, B.; Kreissl, J.; Bauer, S.; Bobbert, C.; Brinker, W.; Maul, B.; Schmidt, C.; Ehlers, H.
Conference Paper
2003Silica-based optical beam former for 60 GHz array antennas
Grosskopf, G.; Kuhlow, B.; Przyrembel, G.; Ehlers, H.; Eggemann, R.; Rohde, D.; Zinal, S.
Journal Article
2002160 Gbit/s error-free all-optical demultiplexing using monolithically integrated band gap shifted Mach-Zehnder interferometer (GS-MZI)
Tekin, T.; Schubert, C.; Berger, J.; Schlak, M.; Maul, B.; Brinker, W.; Molt, R.; Ehlers, H.; Gravert, M.; Nolting, H.P.; Sawchuk, A.
Conference Paper
2002Photonic 60-GHz maximum directivity beam former for smart antennas in mobile broad-band communications
Grosskopf, G.; Eggemann, R.; Zinal, S.; Kuhlow, B.; Przyrembel, G.; Rohde, D.; Kortke, A.; Ehlers, H.
Journal Article
2002Silica based optical beamformer in a 60 GHz radio-over-fibre system
Kuhlow, B.; Przyrembel, G.; Ehlers, H.; Ziegler, R.; Knuppel, J.; Grosskopf, G.; Eggemann, R.; Rohde, D.
Conference Paper
2001All-optical demultiplexing performance of monolithically integrated GS-MZI module
Tekin, T.; Ehlers, H.; Schlak, M.; Berger, J.; Schubert, C.; Maul, B.; Ziegler, R.
Conference Paper
2001Multi-fiber-chip-coupling modules for monolithically integrated Mach-Zehnder interferometers for TDM/WDM communication systems
Ehlers, H.; Schlak, M.; Fischer, U.H.P.
Conference Paper
2000Optoelectronic packaging of arrayed-waveguide grating modules and their environmental stability tests
Ehlers, H.; Biletzke, M.; Kuhlow, B.; Przyrembel, G.; Fischer, U.H.P.
Journal Article
1999Broadband antireflection coatings deposited with ion-assisted evaporation
Laux, S.; Kaiser, N.; Niederwald, H.S.; Mertin, M.; Ehlers, H.; Ristau, D.
Conference Paper
1998Multichannel 1.3 mu m/1.55 mu m AWG multiplexer/demultiplexer for WDM-PONs
Przyrembel, G.; Kuhlow, B.; Pawlowski, E.; Ferstl, M.; Furst, W.; Ehlers, H.; Steingrüber, R.
Journal Article
1994Free space interconnection system with holographic optical elements
Dietrich, E.; Ehlers, H.; Ferstl, M.; Kuhlow, B.; Kobolla, H.; Pawlowski, E.; Przyrembel, G.; Rosin, T.; Teich, G.; Vathke, J.; Walf, G.
Conference Paper
1991A bidirectional 1.5/1.3- mu m Gbit/s direct detection system overlayed by a coherent 1.5- mu m TV-distribution system
Bunning, H.; Burmeister, M.; Dietrich, E.; Ehlers, H.; Meissner, P.; Saniter, J.; Teich, G.; Vathke, J.; Weich, K.
Conference Paper
1991High grade optical subscriber lines
Dietrich, E.; Eggemann, R.; Ehlers, H.; Langer, K.D.; Teich, G.; Vathke, J.; Walf, G.; Weich, K.
Journal Article
1985Wideband subscriber station for high-rate optical lines
Teich, G.; Langer, K.D.; Ehlers, H.
Journal Article