Fraunhofer-Gesellschaft

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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
Konferenzbeitrag
2019Quantum cascade laser-based tunable laser absorption spectroscopy for the detection of stable isotopes of CO2
Nitzsche, Ponkanok; Dinc, Cem; Schmitt, Katrin; Wöllenstein, Jürgen
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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
Konferenzbeitrag
2014Broadband spectroscopy with external cavity quantum cascade lasers beyond conventional absorption measurements
Lambrecht, Armin; Pfeifer, Marcel; Konz, Werner; Herbst, Johannes; Axtmann, Felix
Zeitschriftenaufsatz
2014Fast automotive diesel exhaust measurement using quantum cascade lasers
Herbst, Johannes; Brunner, Raimund; Lambrecht, Armin
Konferenzbeitrag
2014Quantum cascade lasers (QCL) for active hyperspectral imaging
Yang, Q.K.; Fuchs, F.; Wagner, J.
Zeitschriftenaufsatz
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
Konferenzbeitrag
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
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Vortrag
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
2010Mid-infrared semiconductor lasers for power projection and sensing
Tholl, H.D.; Wagner, J.; Rattunde, M.; Hugger, S.; Fuchs, F.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag, Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
2009Time-resolved characterization of external-cavity quantum-cascade lasers
Hinkov, B.; Yang, Q.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.
Zeitschriftenaufsatz
2008Current- and temperature-induced beam steering in 7.8-µm emitting quantum-cascade lasers
Hinkov, B.; Fuchs, F.; Bronner, W.; Köhler, K.; Wagner, J.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
2008Waveguide optical losses in InGaAs/AlAsSb quantum cascade laser
Revin, D.G.; Cockburn, J.W.; Menzel, S.; Yang, Q.K.; Manz, C.; Wagner, J.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
2007Remote sensing of explosives using mid-infrared quantum cascade lasers
Fuchs, F.; Wild, C.; Rahmouni, Y.; Bronner, W.; Raynor, B.; Köhler, K.; Wagner, J.
Konferenzbeitrag
2007Short-wavelength quantum cascade lasers
Yang, Quankui K.; Manz, Christian; Bronner, Wolfgang; Köhler, Klaus; Wagner, Joachim
Zeitschriftenaufsatz
2006Above room-temperature GaInAs/Al(Ga)AsSb quantum cascade lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Köhler, K.; Wagner, J.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
2005GaInAs/AlGaAsSb quantum-cascade lasers
Yang, Q.K.; Manz, C.; Bronner, W.; Kirste, L.; Köhler, K.; Wagner, J.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Konferenzbeitrag, Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
2005Intensity noise properties of quantum cascade lasers
Gensty, T.; Elsässer, W.; Mann, C.
Zeitschriftenaufsatz
2005Quantum cascade lasers, systems, and applications in Europe
Lambrecht, A.
Konferenzbeitrag
2004Entwurf und Charakterisierung von Quantenkaskadenlasern
Mann, C.
Dissertation
2004Infrared semiconductor lasers for sensing and diagnostics
Wagner, J.; Mann, C.; Rattunde, M.; Weimann, G.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
2003Mid-infrared quantum cascade lasers operation above room temperature
Yang, Q.K.; Mann, C.; Fuchs, F.; Kiefer, R.; Köhler, K.; Schneider, H.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Zeitschriftenaufsatz
2002Quantum cascade lasers with blocking barriers in the active regions
Mann, C.; Yang, Q.K.; Fuchs, F.; Kiefer, R.; Köhler, K.; Schneider, H.
Konferenzbeitrag