Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Advances of MOEMS-based external cavity QCLs
Härtelt, Marko; Hugger, Stefan; Butschek, Lorenz; Schilling, Christian; Merten, André; Schwarzenberg, Markus; Dreyhaupt, André; Grahmann, Jan; Rattunde, Marcel; Ostendorf, Ralf
Conference Paper
2019Dynamic Range of an Upconversion Detection Module for MWIR Laser Spectroscopy
Wolf, Sebastian; Reiser, Patrick; Kießling, Jens; Kühnemann, Frank
Conference Paper
2019Quantum cascade laser-based tunable laser absorption spectroscopy for the detection of stable isotopes of CO2
Nitzsche, Ponkanok; Dinc, Cem; Schmitt, Katrin; Wöllenstein, Jürgen
Conference Paper
2019Thermally tunable quantum cascade laser with an external germanium-on-SOI distributed bragg reflector
Radosavljevic, Sanja; Radosavljević, Ana; Schilling, Christian; Hugger, Stefan; Ostendorf, R.; Kuyken, Bart; Roelkens, Gunther
Journal Article
2016Real-time spectroscopic sensing using a widely tunable external cavity-QCL with MOEMS diffraction grating
Ostendorf, R.; Butschek, L.; Merten, A.; Grahmann, J.; Jarvis, J.P.; Hugger, S.; Fuchs, F.; Wagner, J.
Conference Paper
2015Standoff trace detection of explosives with active infrared hyperspectral imagery
Fuchs, F.; Hugger, S.; Jarvis, J.P.; Yang, Q.K.; Ostendorf, R.; Wagner, J.; Schilling, C.; Bronner, W.; Driad, R.; Aidam, R.
Conference Paper
2015Standoff trace detection of explosives with infrared hyperspectral imagery
Fuchs, F.; Hugger, S.; Jarvis, J.P.; Yang, Q.K.; Zaum, F.; Ostendorf, R.; Schilling, C.; Bronner, W.; Driad, R.; Aidam, R.; Wagner, J.
Conference Paper
2015Widely tuneable quantum cascade lasers for spectroscopic sensing
Wagner, J.; Ostendorf, R.; Grahmann, Jan; Merten, André; Hugger, S.; Jarvis, J.P.; Fuchs, F.; Boskovic, D.; Schenk, Harald
Conference Paper
2014Broadband spectroscopy with external cavity quantum cascade lasers beyond conventional absorption measurements
Lambrecht, Armin; Pfeifer, Marcel; Konz, Werner; Herbst, Johannes; Axtmann, Felix
Journal Article
2014Fast automotive diesel exhaust measurement using quantum cascade lasers
Herbst, Johannes; Brunner, Raimund; Lambrecht, Armin
Conference Paper
2014Quantum cascade lasers (QCL) for active hyperspectral imaging
Yang, Q.K.; Fuchs, F.; Wagner, J.
Journal Article
2014Trace detection of explosive substances in hyperspectral imagery
Jarvis, J.P.; Fuchs, F.; Hugger, S.; Blattmann, V.; Yang, Q.; Ostendorf, R.; Bronner, W.; Driad, R.; Aidam, R.; Wagner, J.; Beyerer, Jürgen
Conference Paper
2013Hyperspectral image analysis for standoff detection of explosives
Jarvis, J.P.; Fuchs, F.; Hugger, S.; Blattmann, V.; Yang, Q.K.; Ostendorf, R.; Bronner, W.; Driad, R.; Aidam, R.; Wagner, J.; Beyerer, Jürgen
Conference Paper
2013Infrared hyperspectral standoff detection of explosives
Fuchs, F.; Hugger, S.; Jarvis, J.P.; Blattmann, V.; Kinzer, M.; Yang, Q.K.; Ostendorf, R.; Bronner, W.; Driad, R.; Aidam, R.; Wagner, J.
Conference Paper
2012Diffraction-limited infrared-imaging of the near-field intensity emitted by quantum-cascade lasers
Kinzer, M.; Yang, Q.K.; Hugger, S.; Brunner, M.; Fuchs, F.; Wagner, J.
Journal Article
2011Acetylene measurement using quantum cascade lasers at 14 µm
Herbst, J.; Scherer, B.; Singer, F.; Erb, J.; Lambrecht, A.; Rathke, C.; Filip, S.; Kappler, J.; Fuchst, P.; Koeth, J.; Friedl, J.; Schlereth, T.W.; Semmel, J.; Höfling, S.
Presentation
2011Acetylene measurement using quantum cascade lasers at 14 µm
Herbst, J.; Scherer, B.; Singer, F.; Erb, J.; Lambrecht, A.; Rathke, C.; Filip, S.; Kappler, J.; Fuchs, P.; Koeth, J.; Friedl, J.; Schlereth, T.W.; Semmel, J.; Höfling, S.; Worschesch, L.; Forchel, A.
Conference Paper
2011Beam steering and lateral hole burning in mid-infrared quantum-cascade lasers
Yang, Q.K.; Kinzer, M.; Fuchs, F.; Hugger, S.; Hinkov, B.; Bronner, W.; Lösch, R.; Aidam, R.; Wagner, J.
Journal Article
2010Beam steering in mid-infrared emitting quantum-cascade lasers
Kinzer, M.; Fuchs, F.; Hugger, S.; Hinkov, B.; Bronner, W.; Lösch, R.; Aidam, R.; Yang, Q.K.
Conference Paper
2010External cavity spectral beam combining of 4.6 µm emitting quantum cascade laser arrays
Ostendorf, R.; Hugger, S.; Aidam, R.; Bronner, W.; Fuchs, F.; Lösch, R.; Yang, Q.K.; Wagner, J.; Romasew, E.; Raab, M.; Tholl, H.D.
Conference Paper
2010Imaging stand-off detection of explosives using tunable MIR quantum cascade lasers
Fuchs, F.; Hinkov, B.; Hugger, S.; Kaster, J.M.; Aidam, R.; Bronner, W.; Köhler, K.; Yang, Q.; Rademacher, S.; Degreif, K.; Schnürer, F.; Schweikert, W.
Conference Paper
2010Imaging standoff detection of explosives using widely tunable midinfrared quantum cascade lasers
Fuchs, F.; Hugger, S.; Kinzer, M.; Aidam, R.; Bronner, W.; Lösch, R.; Yang, Q.K.; Degreif, K.; Schnürer, F.
Journal Article
2010Mid-infrared semiconductor lasers for power projection and sensing
Tholl, H.D.; Wagner, J.; Rattunde, M.; Hugger, S.; Fuchs, F.
Conference Paper
2010Power scaling of quantum cascade lasers via multiemitter beam combining
Hugger, S.; Aidam, R.; Bronner, W.; Fuchs, F.; Lösch, R.; Yang, Q.K.; Wagner, J.; Romasew, E.; Raab, M.; Tholl, H.D.; Höfer, B.; Matthes, A.L.
Journal Article
2010Rate equations analysis of external-cavity quantum cascade lasers
Yang, Q.K.; Hinkov, B.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.; Maulini, R.; Faist, J.
Journal Article
2010Time-resolved spectral characteristics of external-cavity quantum cascade lasers and their application to stand-off detection of explosives
Hinkov, B.; Fuchs, F.; Yang, Q.K.; Kaster, J.M.; Bronner, W.; Aidam, R.; Köhler, K.; Wagner, J.
Conference Paper, Journal Article
2009Broad band tunable quantum cascade lasers for stand-off detection of explosives
Hinkov, B.; Fuchs, F.; Kaster, J.M.; Yang, Q.K.; Bronner, W.; Aidam, R.; Köhler, K.
Conference Paper
2009Infrared semiconductor laser modules for DIRCM applications
Wagner, J.; Hugger, S.; Rösener, B.; Fuchs, F.; Rattunde, M.; Yang, Q.K.; Bronner, W.; Aidam, R.; Köhler, K.; Raab, M.; Romasew, E.; Tholl, H.D.
Conference Paper
2009Optical stand-off detection of explosives and improvised explosive devices - OFDEX
Schnürer, F.; Schweikert, W.; Heil, M.; Bunte, G.; Krause, H.; Fuchs, F.; Kaster, J.; Hinkov, B.; Yang, Q.K.; Bronner, W.; Köhler, K.; Wagner, J.; Jander, P.; Fricke-Begemann, C.; Noll, R.; Hildenbrand, J.; Herbst, J.; Degreif, K.; Lambrecht, A.
Conference Paper
2009Spectral beam combining of quantum cascade lasers in an external cavity
Hugger, S.; Fuchs, F.; Aidam, R.; Bronner, W.; Lösch, R.; Yang, Q.K.; Schulz, N.; Wagner, J.; Romasev, E.; Raab, M.; Tholl, H.D.
Conference Paper
2009Time-resolved characterization of external-cavity quantum-cascade lasers
Hinkov, B.; Yang, Q.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.
Journal Article
2008Current- and temperature-induced beam steering in 7.8-µm emitting quantum-cascade lasers
Hinkov, B.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.
Journal Article
2008Dispersive gain and loss in midinfrared quantum cascade laser
Revin, D.G.; Soulby, M.R.; Cockburn, J.W.; Yang, Q.K.; Manz, C.; Wagner, J.
Journal Article
2008GaInAs/ AlAsSb quantum cascade lasers: A new approach towards 3-to-5 µm semiconductor lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Mann, C.; Köhler, K.; Wagner, J.
Conference Paper
2008High-peak power strain-compensated GaInAs/AlInAs quantum cascade lasers (lambda~4.6µm) based on a slightly diagonal active region design
Yang, Q.K.; Lösch, R.; Bronner, W.; Hugger, S.; Fuchs, F.; Aidam, R.; Wagner, J.
Journal Article
2008Waveguide optical losses in InGaAs/AlAsSb quantum cascade laser
Revin, D.G.; Cockburn, J.W.; Menzel, S.; Yang, Q.K.; Manz, C.; Wagner, J.
Journal Article
2007µ-probe photoluminescence study of mid-IR quantum cascade lasers based on antimonide ternary and quaternary barriers
Vitiello, M.S.; Scamarcio, G.; Spagnolo, V.; Yang, Q.; Manz, C.; Wagner, J.; Revin, D.G.; Cockburn, J.
Journal Article
2007Electronic and thermal properties of Sb-based QCLs operating in the first atmospheric window
Vitiello, M.S.; Scamarcio, G.; Spagnolo, V.; Yang, Q.K.; Manz, C.; Wagner, J.; Revin, D.G.; Cockburn, J.
Conference Paper
2007Experimental investigation of the lattice and electronic temperatures in Ga0.47In0.53As/Al0.62Ga0.38As1-xSbx quantum-cascade lasers
Vitiello, M.S.; Scarmacio, G.; Spagnolo, V.; Lops, A.; Yang, Q.K.; Manz, C.; Wagner, J.
Journal Article
2007High peak-power (10.5 W) GaInAs/AlGaAsSb quantum-cascade lasers emitting at lamda ~ 3.6-3.8 µm
Yang, Q.K.; Manz, C.; Bronner, W.; Lehmann, N.; Fuchs, F.; Köhler, K.; Wagner, J.
Journal Article
2007Remote sensing of explosives using mid-infrared quantum cascade lasers
Fuchs, F.; Wild, C.; Rahmouni, Y.; Bronner, W.; Raynor, B.; Köhler, K.; Wagner, J.
Conference Paper
2007Short-wavelength quantum cascade lasers
Yang, Quankui K.; Manz, Christian; Bronner, Wolfgang; Köhler, Klaus; Wagner, Joachim
Journal Article
2006Above room-temperature GaInAs/Al(Ga)AsSb quantum cascade lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Köhler, K.; Wagner, J.
Journal Article
2006Bound-to-contiuum GaInAs-AlAsSb quantum cascade lasers with reduced electric injection power density
Yang, Q.K.; Manz, C.; Bronner, W.; Schäuble, K.; Mann, C.; Schwarz, K.; Köhler, K.; Wagner, J.
Journal Article
2006Distributed-feedback GaInAs/AIAsSb quantum-cascade lasers operating at 300 K
Yang, Q.K.; Bronner, W.; Manz, C.; Raynor, B.; Menner, H.; Mann, C.; Köhler, K.; Wagner, J.
Journal Article
2006Influence of injector doping concentration on the performance of InP-based quantum cascade lasers
Mann, C.; Yang, Q.K.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.
Journal Article
2006Measurement of the linewidth enhancement factor of quantum cascade lasers by the self-mixing technique
Staden, J. von; Gensty, T.; Peil, M.; Elsässer, W.; Giuliani, G.; Mann, C.
Conference Paper
2006Measurements of the alpha factor of a distributed-feedback quantum cascade laser by an optical feedback self-mixing technique
Staden, J. von; Gensty, T.; Elsässer, W.; Giuliani, G.; Mann, C.
Journal Article
2006Room-temperature short-wavelength (Lambda about 3.7-3.9 µm) GaInAs/AlAsSb quantum-cascade lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Köhler, K.; Wagner, J.
Journal Article
2006Spectral tuning and mode competition in quantum cascade lasers studied by time-resolved Fourier transform spectroscopy
Fuchs, F.; Kirn, B.; Mann, C.; Yang, Q.K.; Bronner, W.; Raynor, B.; Köhler, K.; Wagner, J.
Conference Paper
2005Continuous-wave operation of GaInAs/AlGaAsSb quantum cascade lasers
Yang, Q.K.; Bronner, W.; Manz, C.; Moritz, R.; Mann, C.; Kaufel, G.; Köhler, K.; Wagner, J.
Journal Article
2005GaInAs/AlAsSb quantum-cascade lasers operating up to 400 K
Yang, Q.K.; Manz, C.; Bronner, W.; Mann, C.; Kirste, L.; Köhler, K.; Wagner, J.
Journal Article
2005GaInAs/AlGaAsSb quantum-cascade lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Kirste, L.; Köhler, K.; Wagner, J.
Journal Article
2005High duty-cycle (>= 50%) operation of GaInAs/Al(Ga)AsSb quantum cascade lasers
Bronner, W.; Yang, Q.K.; Manz, C.; Kaufel, G.; Mann, C.; Köhler, K.; Wagner, J.
Conference Paper
2005High temperature (T >= 400 K) operation of strain-compensated quantum cascade lasers with thin InAs insertion layers and AlAs blocking barriers
Yang, Q.K.; Mann, C.; Fuchs, F.; Köhler, K.; Bronner, W.
Conference Paper, Journal Article
2005High-quality GaInAs/AlAsSb quantum cascade lasers grown by molecular beam epitaxy in continuous growth mode
Manz, C.; Yang, Q.K.; Köhler, K.; Maier, M.; Kirste, L.; Wagner, J.; Send, W.; Gerthsen, D.
Journal Article
2005Intensity noise properties of quantum cascade lasers
Gensty, T.; Elsässer, W.; Mann, C.
Journal Article
2005Quantum cascade lasers, systems, and applications in Europe
Lambrecht, A.
Conference Paper
2004Entwurf und Charakterisierung von Quantenkaskadenlasern
Mann, C.
Dissertation
2004Infrared semiconductor lasers for sensing and diagnostics
Wagner, J.; Mann, C.; Rattunde, M.; Weimann, G.
Journal Article
2004Single-mode InP-based quantum cascade lasers for applications in trace-gas sensing
Mann, C.; Yang, Q.K.; Fuchs, F.; Bronner, W.; Köhler, K.; Beyer, T.; Braun, M.; Lambrecht, A.
Conference Paper
2003Continuous-wave operation of 5 µm quantum cascade lasers with high-reflection coated facets
Mann, C.; Yang, Q.K.; Fuchs, F.; Bronner, W.; Köhler, K.
Journal Article
2003Mid-infrared quantum cascade lasers operation above room temperature
Yang, Q.K.; Mann, C.; Fuchs, F.; Kiefer, R.; Köhler, K.; Schneider, H.
Conference Paper
2003Quantum cascade lasers for the mid-infrared spectral range: Devices and applications
Mann, C.; Yang, Q.K.; Fuchs, F.; Bronner, W.; Kiefer, R.; Köhler, K.; Schneider, H.; Kormann, R.; Fischer, H.; Gensty, T.; Elsässer, W.
Conference Paper
2002Improvement of lambda ~ 5 µm quantum cascade lasers by blocking barriers in the active regions
Yang, Q.K.; Mann, C.; Fuchs, F.; Kiefer, R.; Köhler, K.; Rollbühler, N.; Schneider, H.; Wagner, J.
Journal Article
2002Quantum cascade lasers with blocking barriers in the active regions
Mann, C.; Yang, Q.K.; Fuchs, F.; Kiefer, R.; Köhler, K.; Schneider, H.
Conference Paper