Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2012Quantitative evaluation of MR perfusion imaging using blood pool contrast agent in subjects without pulmonary diseases and in patients with pulmonary embolism
Hansch, A.; Kohlmann, P.; Hinneburg, U.; Boettcher, J.; Malich, A.; Wolf, G.; Laue, H.; Pfeil, A.
Journal Article
2011Accuracy and reproducibility of a novel semi-automatic segmentation technique for MR volumetry of the pituitary gland
Renz, D.M.; Hahn, H.K.; Schmidt, P.; Rexilius, J.; Lentschig, M.; Pfeil, A.; Sauner, D.; Fitzek, C.; Mentzel, H.-J.; Kaiser, W.A.; Reichenbach, J.R.; Böttcher, J.
Journal Article
2011Photoconductive THz generation at 1.5 µm excitation in InGaAs/InAlAs structures with separated photoconductive and trapping layers
Dietz, R.J.B.; Gerhard, M.; Boettcher, J.; Kuenzel, H.; Koch, M.; Sartorius, B.; Schell, M.
Conference Paper
2010Improving photoconductive THz antennas for 1.5 µm operation
Dietz, R.J.B.; Roehle, H.; Hensel, H.J.; Böttcher, J.; Künzel, H.; Stanze, D.; Schlak, M.; Schell, M.; Sartorius, B.
Conference Paper
2010Incorporating semantic bridges into information flow of cross-organizational business process models
Barnickel, N.; Böttcher, J.; Paschke, A.
Conference Paper
2010Mesa-Structured InGaAs/InAlAs Photoconductive Antennas for THz Time Domain Systems Operated at 1.5 micrometer
Dietz, R.J.B.; Röhle, H.; Hensel, H.J.; Böttcher, J.; Künzel, H.; Stanze, D.; Schell, M.; Sartorius, B.
Conference Paper
2010Next generation 1.5 mu m terahertz antennas
Röhle, H.; Dietz, R.J.B.; Hensel, H.-J.; Böttcher, J.; Künzel, H.; Stanze, D.; Schell, M.; Sartorius, B.
Journal Article
2010Semantic mediation of information flow in cross-organizational business process modeling
Barnickel, N.; Böttcher, J.; Paschke, A.
Conference Paper
20081.5 µm wavelength all-fiber terahertz time-domain spectrometer
Roehle, H.; Sartorius, B.; Künzel, H.; Böttcher, J.; Schlak, M.; Stanze, D.
Conference Paper
2008All-fiber terahertz time-domain spectrometer operating at 1.5 mu m telecom wavelengths
Sartorius, B.; Roehle, H.; Künzel, H.; Böttcher, J.; Schlak, M.; Stanze, D.; Venghaus, H.; Schell, M.
Journal Article
2008Low temperature MBE-grown In(Ga,Al)As/InP structures for 1.55 µm THz photoconductive antenna applications
Künzel, H.; Böttcher, J.; Biermann, K.; Hensel, H.J.; Roehle, H.; Sartorius, B.
Conference Paper
2007Effect of metal organic vapor phase epitaxy growth conditions on emission wavelength stability of 1.55 mu m quantum dot lasers
Franke, D.; Moehrle, M.; Boettcher, J.; Harde, P.; Sigmund, A.; Kuenzel, H.
Journal Article
2007Improved emission wavelength reproducibility of InP-based all MOVPE grown 1.55 micrometer quantum dot lasers
Franke, D.; Harde, P.; Böttcher, J.; Möhrle, M.; Sigmund, A.; Künzel, H.
Conference Paper
2007THz Photoconductive Antennas for 1.55 µm Telecom Wavelengths
Sartorius, B.; Künzel, H.; Biermann, K.; Böttcher, J.; Roehle, H.; Wilk, R.; Mikulics, M.; Koch, M.; Mei, M.; Kozma, I.Z.; Holzwarth, R.
Conference Paper
2003GaAs-based tunnel junctions
Möller, C.; Böttcher, J.; Künzel, H.
Conference Paper
2002Low-temperature-grown 1.55 mu m GaInAs/AlInAs quantum wells for optical switching: MBE growth and optical response
Kuenzel, H.; Biermann, K.; Boettcher, J.; Harde, P.; Kurtzweg, M.; Schneider, R.; Neumann, W.; Nickel, D.; Reimann, K.; Woerner, M.; Elsaesser, T.
Conference Paper
2000Independent magnetotransport in parallel InGaAs double quantum wells with strongly different properties
Fresser, H.S.; Frey, H.; Prins, F.E.; Wharam, D.A.; Kern, D.P.; Böttcher, J.; Künzel, H.
Journal Article
1997MBE growth of high-quality InP for GaInAs/InP heterostructures using incongruent evaporation of GaP
Kuenzel, H.; Boettcher, J.; Harde, P.; Maessen, R.
Journal Article
1997MBE regrowth on AlGaInAs DFB gratings using in-situ hydrogen radical cleaning
Kuenzel, H.; Boettcher, J.; Hase, A.; Hensel, H.-J.; Janiak, K.; Urmann, G.; Paraskevopoulos, A.
Journal Article
1996MOMBE selective infill growth of InP:Si and InGaAs:Si and large area MOMBE regrowth
Schelhase, S.; Boettcher, J.; Gibis, R.; Kuenzel, H.; Paraskevopoulos, A.
Journal Article
1993In situ SIMS monitoring for ion beam etching of III-V semiconductor compounds and metal contacts
Hensel, H.J.; Paraskevopoulos, A.; Mörl, L.; Hase, A.; Böttcher, J.
Conference Paper
1993Low-temperature MBE of AlGaInAs lattice-matched to InP
Künzel, H.; Böttcher, J.; Gibis, R.; Hoenow, H.; Heedt, C.
Journal Article
1992Low-temperature MBE-grown In0.52Ga0.18Al0.30As/InP optical waveguides
Künzel, H.; Grote, N.; Albrecht, P.; Böttcher, J.; Bornholdt, C.
Journal Article