Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Accelerated Degradation of High Power Diode Lasers Caused by External Optical Feedback Operation
Kissel, H.; Leonhäuser, B.; Tomm, J.W.; Hempel, M.; Biesenbach, J.
Conference Paper
2018Catastrophic Optical Damage of GaN-Based Diode Lasers
Tomm, J.W.; Kernke, R.; Mura, G.; Vanzi, M.; Hempel, M.; Acklin, B.
Journal Article
2018Comparison of catastrophic optical damage events in GaAs- and GaN-based diode lasers
Tomm, J.W.; Kernke, R.; Mura, G.; Vanzi, M.; Hempel, M.
Conference Paper
2014European Materials Research Society Spring Meeting, E-MRS 2013
: André, P. (Editor); Reece, P. (Editor); Tomm, J.W. (Editor); Ribierre, J.-C. (Editor); Moreels, I. (Editor); Christen, J. (Editor); Gil, B. (Editor); Méndez, B. (Editor); Lorenz, K. (Editor); Fraboni, B. (Editor); Ambacher, O. (Editor)
Conference Proceedings
2014Excess carrier generation in femtosecond-laser processed sulfur doped silicon by means of sub-bandgap illumination
Guenther, K.-M.; Gimpel, T.; Tomm, J.W.; Winter, S.; Ruibys, A.; Kontermann, S.; Schade, W.
Journal Article
2012Near-field characteristics of broad area diode lasers during catastrophic optical damage failure
Hempel, M.; Tomm, J.W.; Baeumler, M.; Konstanzer, H.; Mukherjee, J.; Elsässer, T.
Conference Paper
2012Near-field evolution in strongly pumped broad area diode lasers
Hempel, M.; Tomm, J.W.; Baeumler, M.; Konstanzer, H.; Mukherjee, J.; Elsässer, T.
Conference Paper
2011Near-field dynamics of broad area diode laser at very high pump levels
Hempel, M.; Tomm, J.W.; Baeumler, M.; Konstanzer, H.; Mukherjee, J.
Journal Article
2006New infrared sources for breath analysis
Lambrecht, A.; Braun, M.; Hartwig, S.; Nurnus, J.; Wöllenstein, J.; Weik, F.; Tomm, J.W.
Conference Paper
2006A room-temperature continuous-wave operating midinfrared light emitting device
Weik, F.; Steinmeyer, G.; Tomm, J.W.; Glatthaar, R.; Vetter, U.; Nurnus, J.; Lambrecht, A.
Journal Article
2005By-emitter degradation analysis of high-power laser bars
Bull, S.; Tomm, J.W.; Oudart, M.; Nagle, J.; Scholz, C.; Boucke, K.; Harrison, I.; Larkins, E.C.
Journal Article
2005Midinfrared luminescence imaging and its application to the optimization of light-emitting diodes
Weik, F.; Tomm, J.W.; Glatthaar, R.; Vetter, U.; Szewczyk, D.; Nurnus, J.; Lambrecht, A.; Mechold, L.; Spellenberg, B.; Bassler, M.; Behringer, M.; Luft, J.
Journal Article
2005A novel light-emitting structure for the 3-5 µm spectral range
Tomm, J.W.; Weik, F.; Glatthaar, R.; Vetter, U.; Nurnus, J.; Lambrecht, A.; Spellenberg, B.; Bassler, M.; Behringer, M.; Luft, J.
Conference Paper
2005A novel mid-infrared light emitting device
Weik, F.; Tomm, J.W.; Glatthaar, R.; Vetter, U.; König, J.; Nurnus, J.; Grau, M.; Meyer, R.; Amann, M.C.; Spellenberg, B.; Bassler, M.
Conference Paper
2005Optically pumped mid infrared emitters built using surface structured PbSe epitaxial layers
Nurnus, J.; Vetter, U.; König, J.; Glatthaar, R.; Lambrecht, A.; Weik, F.; Tomm, J.W.
Conference Paper
2004Materials and structural design of a mid-infrared light-emitting device
Weik, F.; Tomm, J.W.; Glatthaar, R.; Vetter, U.; Szewczyk, D.; Nurnus, J.; Lambrecht, A.; Grau, M.; Meyer, R.; Amann, M.C.; Spellenberg, B.; Bassler, M.
Conference Paper
2004Mid-infrared light sources at room temperature based on lead chalcogenides
Glatthaar, R.; Nurnus, J.; Vetter, U.; Szewczyk, D.; Lambrecht, A.; Weik, F.; Tomm, J.W.
Conference Paper
2003Analysis of heat flows and their impact on the reliability of high-power diode lasers
Tomm, J.W.; Rinner, F.; Rogg, J.; Thamm, E.; Ribbat, C.; Selling, R.; Bimberg, D.
Conference Paper
2003Facet temperature reduction by a current blocking layer at the front facets of high-power InGaAs/AlGaAs lasers
Rinner, F.; Rogg, J.; Kelemen, M.T.; Mikulla, M.; Weimann, G.; Tomm, J.W.; Thamm, E.; Poprawe, R.
Journal Article
2000Facet degradation of high-power diode laser arrays
Tomm, J.W.; Thamm, E.; Bärwolff, A.; Elsässer, T.; Luft, J.; Baeumler, M.; Müller, S.; Jantz, W.; Rechenberg, I.
Journal Article
2000Spectroscopic measurement of mounting-induced strain in optoelectronic devices
Bärwolff, A.; Tomm, J.W.; Müller, R.; Weiss, S.; Hutter, M.; Oppermann, H.; Reichl, H.
Journal Article
1995Observation of higher subband emission from PbSe two-dimensional layers
Herrmann, K.H.; Tomm, J.W.; Haertel, S.; Tacke, M.; Böttner, H.
Journal Article
1995Stimulated emission in multi-valley lead salts with star degeneracy lifted by strain and magnetic fields
Tomm, J.W.; Mocker, M.; Kelz, T.; Elsaesser, T.; Klann, R.; Novikov, B.V.; Talalaev, V.G.; Tudorovskii, V.E.; Böttner, H.
Conference Paper
1995Threshold of stimulated emission in multi-valley lead salts
Tomm, J.W.; Mocker, M.; Kelz, T.; Elsaesser, T.; Klann, R.; Novikov, B.V.; Tudorovskii, V.E.; Böttner, H.; Talalaev, V.G.
Journal Article
1994Evidence of Hybridization from a direct comparison of semimagnetic and nonsemimagnetic ternary lead chalcogenides
Herrmann, K.H.; Happ, M.; Möllmann, K.-P.; Peuker, F.; Tomm, J.W.; Böttner, H.; Tacke, M.
Journal Article
1994Luminescence of a quantum-confined dense electron-hole plasma from PbSe nanostructures
Herrmann, K.H.; Tomm, J.W.; Haertel, S.; Hoerstel, W.; Möllmann, K.-P.; Heimbrodt, W.; Tacke, M.; Böttner, H.
Journal Article
1994On the nature of the excitonic luminescence in narrow-gap Hg1-xCdxTe -x about 0.3-.
Tomm, J.W.; Herrmann, K.H.; Hoerstel, W.; Lindstaedt, M.; Kissel, H.; Fuchs, F.
Journal Article
1994Valence band hybridizing in europium-alloyed lead selenide
Tomm, J.W.; Möllmann, K.-P.; Peuker, F.; Herrmann, K.H.; Böttner, H.; Tacke, M.
Journal Article
1993Band offsets in Eu-containing lead chalcogenides and lead chalcogenide superlattices from spectroscopic data
Herrmann, K.H.; Auth, J.; Möllmann, K.-P.; Tomm, J.W.; Böttner, H.; Lambrecht, A.; Tacke, M.; Kolesnikov, I.V.; Yunovich, A.E.; Fedorenko, A.I.; Mironov, O.A.; Sipatov, A.Y.
Journal Article
1992Some band structure related optical and photoelectrical properties of Pb1-xEuxSe 0 < x < 0.2
Herrmann, K.H.; Möllmann, K.-P.; Tomm, J.W.; Böttner, H.; Lambrecht, A.; Tacke, M.
Journal Article
1990A luminescence study in the Pb(1-x)Eu(x)Se system
Böttner, H.; Herrmann, K.H.; Lambrecht, A.; Tacke, M.; Tomm, J.W.
Journal Article