Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Optical parametric oscillator-based trace detection of gases in the mid-infrared region using phase-fluctuation optical heterodyne spectroscopy
Thomas, J.W.; Polak, A.; Bonner, G.M.; Enderle, S.; Dunn, M.H.; Stothard, D.J.M.
Conference Paper
2018Optimisation Method for the Clear Sky PV Forecast Using Power Records from Arbitrarily Oriented Panels
Thomas, Jorge A.
Conference Paper
2018Prämissen und Voraussetzungen zur Implementierung agiler Projektmanagementmethoden in der Automobilindustrie am Beispiel einer Kleinstserie
Thomas, Jessica
: Busse, Matthias (1. Gutachter); Rausch, Gerhard (2. Gutachter)
Master Thesis
2017Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror
Goebel, T.A.; Voigtländer, C.; Krämer, R.G.; Richter, D.; Heck, M.; Siems, M.P.; Matzdorf, C.; Reinlein, C.; Appelfelder, M.; Schreiber, T.; Thomas, J.U.; Tünnermann, A.; Nolte, S.
Journal Article
2016Simultaneous spatial and temporal focusing: A route towards confined nonlinear materials processing
Kammel, R.; Bergner, K.; Thomas, J.; Ackermann, R.; Skupin, S.; Nolte, S.
Conference Paper
2015Discrete nonplanar reflections from an ultrashort pulse written volume Bragg grating
Richter, Daniel; Voigtländer, Christian; Krämer, Ria G.; Thomas, Jens U.; Tünnermann, Andreas; Nolte, Stefan
Journal Article
2015Wavelength stabilization of laser diodes by ultrashort pulse written volume-bragg-gratings
Richter, D.; Voigtländer, C.; Krämer, R.G.; Thomas, J.U.; Zimer, H.; Tünnermann, A.; Nolte, S.
Conference Paper
2014Enhancing precision in fs-laser material processing by simultaneous spatial and temporal focusing
Kammel, Robert; Ackermann, Roland; Thomas, Jens; Götte, Jörg; Skupin, Stefan; Tünnermann, Andreas; Nolte, Stefan
Journal Article
2014Simultaneously spatially and temporally focusing light for tailored ultrafast micro-machining
Thomas, Jens U.; Block, Erica; Greco, Michael; Meier, Amanda; Durfee, Charles G.; Squier, Jeffrey A.; Nolte, Stefan; Tünnermann, Andreas
Conference Paper
2014Tuning the FBG period with a spatial light modulator
Voigtländer, C.; Krämer, R.G.; Thomas, J.U.; Richter, D.; Nolte, S.
Conference Paper
2013514 W monolithic fiber laser with a femtosecond inscribed fiber bragg grating
Krämer, R.G.; Liem, A.; Voigtländer, C.; Thomas, J.U.; Richter, D.; Schreiber, T.; Tünnermann, A.; Nolte, S.
Conference Paper
2013Femtosecond laser pulse written Volume Bragg Gratings
Richter, Daniel; Voigtländer, Christian; Krämer, Ria G.; Thomas, Jens; Tünnermann, Andreas; Nolte, Stefan
Conference Paper, Journal Article
2013Femtosecond laser-induced apodized Bragg grating waveguides
Zeil, P.; Voigtländer, C.; Thomas, J.; Richter, D.; Nolte, S.
Journal Article
2013Femtosecond pulse inscription of a selective mode filter in large mode area fibers
Krämer, Ria G.; Voigtländer, Christian; Freier, Erik; Liem, Andreas; Thomas, Jens U.; Richter, Daniel; Schreiber, Thomas; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2013Highly polarized all-fiber thulium laser with femtosecond-laser-written fiber Bragg gratings
Willis, C.C.C.; McKee, E.; Böswetter, P.; Sincore, A.; Thomas, J.; Voigtländer, C.; Krämer, R.G.; Bradford, J.D.; Shah, L.; Nolte, S.; Tünnermann, A.; Richardson, M.
Journal Article
2013Observation of spectral gouy shift in femtosecond laser pulse written volume bragg gratings
Richter, D.; Voigtländer, C.; Krämer, R.G.; Thomas, J.; Tünnermann, A.; Nolte, S.
Conference Paper
2013Quasi phase matching in femtosecond pulse volume structured x-cut lithium niobate
Thomas, Jens; Hilbert, Vinzenz; Geiss, Reinhard; Pertsch, Thomas; Tünnermann, Andreas; Nolte, Stefan
Journal Article
2013Variable period change of femtosecond written fiber Bragg gratings with a deformed wavefront
Voigtländer, C.; Krämer, R.G.; Thomas, J.U.; Richter, D.; Tännermann, A.; Nolte, S.
Conference Paper
2012CGH-based real-time analysis of fiber Bragg gratings in few mode LMA fibers
Mundus, Markus; Thomas, Jens U.; Voigtländer, Christian; Becker, Ria G.; Jauregui, Cesar; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2012Cladding mode coupling in highly localized fiber Bragg gratings II: Complete vectorial analysis
Thomas, Jens U.; Jovanovic, Nemanja; Krämer, Ria G.; Marshall, Graham D.; Withford, Michael J.; Tünnermann, Andreas; Nolte, Stefan; Steel, Michael J.
Journal Article
2012Discrete non-planar reflections of a fs laser pulse written volume Bragg grating (VBG)
Richter, Daniel; Voigtländer, Christian; Thomas, Jens U.; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2012Femtosecond induced fiber mode filter
Voigtländer, Christian; Williams, Robert J.; Withford, Michael; Thomas, Jens U.; Nolte, Stefan; Tünnermann, Andreas
Conference Paper
2012Femtosecond pulse written fiber gratings: A new avenue to integrated fiber technology
Thomas, Jens; Voigtl, Christian; Becker, Ria; Richter, Daniel; Tünnermann, Andreas; Nolte, Stefan
Journal Article
2012Orientation dependence of higher order mode reflections in femtosecond pulse written fiber Bragg gratings
Thomas, Jens U.; Mundus, Markus; Voigtländer, Christian; Becker, Ria G.; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2012Tailored fiber Bragg gratings inscribed with a phase mask and a deformed wave front by ultrashort pulses
Becker, Ria G.; Voigtländer, Christian; Thomas, Jens; Richter, Daniel; Singh, Anshuman; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2012Webcam-based display calibration
Thomas, Jean-Baptiste; Gerhardt, Jeremie
Conference Paper
2011(Bi,Sb)2Te3-PbTe chalcogenide alloys: Impact of the cooling rate and sintering parameters on the microstructures and thermoelectric performances
Jacquot, A.; Thomas, J.; Schumann, J.; Jägle, M.; Böttner, H.; Gemming, T.; Schmidt, J.; Ebling, D.
Journal Article
2011All-fiber single-mode PM thulium fiber lasers using femtosecond laser written fiber Bragg gratings
Willis, C.; Bradford, J.D.; Sims, R.A.; Shah, L.; Richardson, M.; Thomas, J.; Becker, R.G.; Voigtländer, C.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Cladding mode coupling in highly localized fiber Bragg gratings: Modal properties and transmission spectra
Thomas, J.; Jovanovic, N.; Becker, R.G.; Marshall, G.D.; Withford, M.J.; Tünnermann, A.; Nolte, S.; Steel, M.J.
Journal Article
2011Efficient volume Bragg gratings in various transparent materials induced by femtosecond laser pulses
Richter, D.; Voigtländer, C.; Becker, R.G.; Thomas, J.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Femtosecond laser induced fiber Bragg gratings in active and multi mode fibers
Nolte, S.; Thomas, J.; Voigtländer, C.; Becker, R.G.; Richter, D.; Tünnermann, A.
Conference Paper
2011Femtosecond pulse written quasi phase matching element in x-cut lithium niobate
Thomas, J.; Hilbert, V.; Geiss, R.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Fs laser induced apodised Bragg waveguides in fused silica
Voigtländer, C.; Zeil, P.; Thomas, J.; Ams, M.; Williams, R.J.; Withford, M.J.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Inscription of high contrast volume Bragg gratings in fused silica with femtosecond laser pulses
Voigtländer, C.; Richter, D.; Thomas, J.; Tünnermann, A.; Nolte, S.
Journal Article
2011Laser direct writing: Enabling monolithic and hybrid integrated solutions on the lithium niobate platform
Thomas, J.; Heinrich, M.; Zeil, P.; Hilbert, V.; Rademaker, K.; Riedel, R.; Ringleb, S.; Dubs, C.; Ruske, J.-P.; Nolte, S.; Tünnermann, A.
Journal Article
2011Modenfilter mit Brechzahlmodifikation
Voigtländer, Christian; Thomas, Jens Ulrich; Nolte, Stefan; Tünnermann, Andreas; Williams, Robert
Patent
2011Monolithic narrow linewidth polarization-maintaining thulium fiber laser using femtosecond laser written fiber Bragg gratings
Willis, C.C.; Bradford, J.D.; Sims, R.A.; Shah, L.; Richardson, M.; Thomas, J.; Becker, R.G.; Voigtländer, C.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Monolithic Polarization Maintaining Thulium Fiber Laser using High and Low Reflectivity FBGs
Willis, C.C.; Bradford, J.; Sims, R.; Shah, L.; Richardson, M.; Thomas, J.; Becker, R.; Voigtländer, C.; Tünnermann, A.; Nolte, S.
Conference Paper
2011Ultrashort pulse inscription of tailored fiber Bragg gratings with a phase mask and a deformed wavefront
Voigtländer, C.; Becker, R.G.; Thomas, J.; Richter, D.; Singh, A.; Tünnermann, A.; Nolte, S.
Journal Article
2010Efficient VBG in fused silica induced by femtosecond laser pulses
Voigtländer, C.; Richter, D.; Thomas, J.; Nolte, S.; Tünnermann, A.
Conference Paper
2010Mode selective fiber Bragg gratings
Thomas, J.U.; Voigtländer, C.; Nolte, S.; Tünnermann, A.; Jovanovic, N.; Marshall, G.D.; Withford, M.J.; Steel, M.
Conference Paper
2010Passive all-fiber transversal mode filter for high-power CW fiber laser applications
Jauregui, C.; Stutzki, F.; Thomas, J.U.; Voigtländer, C.; Nolte, S.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Passively stabilized 215-W monolithic CW LMA-fiber laser with innovative transversal mode filter
Stutzki, F.; Jauregui, C.; Voigtländer, C.; Thomas, J.U.; Limpert, J.; Nolte, S.; Tünnermann, A.
Conference Paper
2010Real-time monitoring of the modal content of monolithic large-mode-area fiber lasers
Stutzki, F.; Jauregui, C.; Voigtländer, C.; Thomas, J.; Nolte, S.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Spatial Nonuniformity of Color Features in Projection Displays: A Quantitative Analysis
Thomas, J.B.; Bakke, A.M.; Gerhardt, J.
Journal Article
2010Sub micron fs inscribed volume Bragg gratings in fused silica
Richter, D.; Voigtländer, C.; Thomas, J.; Nolte, S.; Tünnermann, A.
Conference Paper
2010Tailored mode coupling with highly localized intracore fiber bragg gratings
Thomas, J.U.; Jovanovic, N.; Marshall, G.D.; Becker, R.; Voigtländer, C.; Steel, M.; Withford, M.J.; Nolte, S.; Tünnermann, A.
Conference Paper
2010Toward an automatic color calibration for 3D displays
Gerhardt, J.; Thomas, J.-B.
Conference Paper
2009Chirped fiber Bragg gratings written with ultrashort pulses and a tunable phase mask
Voigtländer, C.; Thomas, J.; Wikszak, E.; Dannberg, P.; Nolte, S.; Tünnermann, A.
Journal Article
2009Evanescently coupled fs laser-written type II waveguide array in lithium niobate
Heinrich, M.; Dreisow, F.; Szameit, A.; Thomas, J.; Döring, S.; Nolte, S.; Tünnermann, A.; Ancona, A.
Conference Paper
2009Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers
Jovanovic, N.; Thomas, J.; Williams, R.J.; Steel, M.J.; Marshall, G.; Fürbach, A.; Nolte, S.; Tünnermann, A.; Withford, M.J.
Journal Article
2009Properties of plasma-enhanced atomic layer deposition-grown tantalum carbonitride thin films
Hossbach, C.; Teichert, S.; Thomas, J.; Wilde, L.; Wojcik, H.; Schmidt, D.; Adolphi, B.; Bertram, M.; Mühle, U.; Albert, M.; Menzel, S.; Hintze, B.; Bartha, J.W.
Journal Article
2009Transversalmodenfilter fuer Wellenleiter
Thomas, J.; Voigtlaender, C.; Nolte, S.; Jauregui, C.; Stutzki, F.; Limpert, J.; Tuennermann, A.
Patent
2008Continuously chirped fiber Bragg gratings by femtosecond laser structuring
Thomas, J.; Voigtlander, C.; Schimpf, D.; Stutzki, F.; Wikszak, E.; Limpert, J.; Nolte, S.; Tünnermann, A.
Journal Article
2008Evanescent coupling in arrays of type II femtosecond laser-written waveguides in bulk x-cut lithium niobate
Heinrich, M.; Szameit, A.; Dreisow, F.; Doering, S.; Thomas, J.; Nolte, S.; Tünnermann, A.; Ancona, A.
Journal Article
2007Begrenzung von Schadstoffeinträgen bei Bewirtschaftungsmaßnahmen in der Landwirtschaft bei Düngung und Abfallverwertung
Kördel, W.; Herrchen, M.; Müller, J.; Kratz, S.; Fleckenstein, J.; Schnug, E.; Saring, U.; Thomas, J.; Reinhold, J.
Report
2007Femtosecond laser induced structural modifications in lithium niobate for integrated optical applications
Nolte, S.; Burghoff, J.; Thomas, J.; Ancona, A.; Dreisow, F.; Tünnermann, A.
Conference Paper
2007Femtosecond laser-written quasi-phase-matched waveguides in lithium niobate
Thomas, J.; Heinrich, M.; Burghoff, J.; Nolte, S.; Ancona, A.; Tünnermann, A.
Journal Article
2007Femtosecond written fiber gratings in PM and LMA fibers
Thomas, J.; Wikszak, E.; Voigtländer, C.; Nolte, S.; Tünnermann, A.
Conference Paper
2007Inscribing fiber Bragg gratings using IR-fs pulses and a phase-mask scanning technique: Potential and applications
Wikszak, E.; Thomas, J.; Nolte, S.; Tünnermann, A.
Conference Paper
2007Inscription of fiber Bragg gratings with femtosecond pulses using a phase mask scanning technique
Thomas, J.; Wikszak, E.; Clausnitzer, T.; Fuchs, U.; Zeitner, U.D.; Nolte, S.; Tünnermann, A.
Journal Article
2007Linearly polarized ytterbium fiber laser based on intracore femtosecond-written fiber Bragg gratings
Wikszak, E.; Thomas, J.; Klingebiel, S.; Ortac, B.; Limpert, J.; Nolte, S.; Tünnermann, A.
Journal Article
2007Verfahren und Vorrichtung zum Herstellen eines Gitters mit Chirp
Thomas, J.; Wikszak, E.; Nolte, S.; Burgdorf, J.; Dreisow, F.; Tuennermann, A.; Voigtlaender, C.; Gabor, M.; Heinrich, M.
Patent
2006Erbium fiber laser based on intracore femtosecond-written fiber Bragg grating
Wikszak, E.; Thomas, J.; Burghoff, J.; Ortac, B.; Limpert, J.; Nolte, S.; Fuchs, U.; Tünnermann, A.
Journal Article
2006Event summary of the workshop on visual analytics
Keim, D.; Kohlhammer, J.; May, T.; Thomas, J.
Journal Article
2006Verfahren und Anordnung zum Strukturieren einer lichtleitenden Faser entlang deren Laengsachse (longitudinale Strukturierung) basierend auf der nicht-linearen Absorption von Laserstrahlung
Fuchs, U.; Zeitner, U.; Tuennermann, A.; Thomas, J.; Wikszak, E.; Nolte, S.
Patent
2003AKTORBAUGLIED FUER EINEN MIKROZERSTAEUBER UND VERFAHREN ZU SEINER HERSTELLUNG
Schnupp, R.; Thomas, J.
Patent
2003Micromachined thermoelectric test device based on silicon/germanium superlattices: Simulation, preparation and characterization of thermoelectric behavior
Schumann, J.; Kleint, C.A.; Vinzelberg, H.; Thomas, J.; Hecker, M.; Nurnus, J.; Boettner, H.; Lambrecht, A.; Künzel, C.; Völklein, F.
Conference Paper
20025. Gastvortragsreihe Logistik
Thomas, J.; Reinhard, W.; Schwab, J.; Otto, S.; Heistermann, F.; Riedel, R.; Krieg, M.
: Schenk, M.; Ziems, D.; Inderfurth, K.
Book
2001Investigation of interlayer phenomena in Ti/Pt electrodes for ferroelectric thin film devices
Frey, J.; Schönecker, A.; Schlenkrich, F.; Thomas, J.; Hermel, W.
Journal Article
2000Experimental study of texture and self-polarization of sol-gel derived PZT thin films
Frey, J.; Schlenkrich, F.; Schönecker, A.; Obenaus, P.; Thomas, J.; Köhler, R.
Conference Paper
2000A silicon vibration sensor for tool state monitoring working in the high acceleration range
Thomas, J.; Kühnhold, R.; Schnupp, R.; Ryssel, H.
Journal Article
2000Stress, resistance, and phase transitions in NiCr (60 wt%) thin films
Brückner, W.; Pitschke, W.; Thomas, J.; Leitner, G.
Journal Article
2000Vorrichtung und Verfahren zur Lichtintensitaetsmodulation
Schnupp, R.; Thomas, J.
Patent
1999CMOS-kompatible Herstellung miniaturisierter Silicium-Vibrationssensoren für die Messung im Bereich hoher Beschleunigungsamplituden zur Werkzeugüberwachung
Thomas, J.; Schnupp, R.; Ryssel, H.
Conference Paper
1999Comparison of different piezoelectric microvalves in glaucoma surgery
Schnupp, R.; Waller, J.; Thomas, J.
Conference Paper
1999Design and sensitivity optimization of vibration sensors for tool state monitoring
Thomas, J.S.; Kuhnhold, R.; Ryssel, H.
Conference Paper
1999Mikrosystem zur automatisierten Werkzeugüberwachung in Drehmaschinen über die Erfassung von Vibration, Kraft und Temperatur
Pitter, F.; Thomas, J.; Feldmann, K.; Ryssel, H.
Journal Article
1999Mikrosystemtechnische Vibrationssensoren zur automatisierten Zustandsüberwachung von Drehwerkzeugen
Thomas, J.
: Ryssel, H. (Prüfer)
Dissertation
1999A silicon vibration sensor for tool state monitoring working in the acceleration range
Thomas, J.; Kühnhold, R.; Schnupp, R.; Ryssel, H.
Conference Paper
1999Simulation of the production of functional layers for vibration sensors for tool state monitoring and finite element analysis of mechanical characteristics
Thomas, J.; Kuhnhold, R.; Schnupp, R.; Temmel, G.; Ryssel, H.
Conference Paper
1998Formation and interface structure of TiC particles in dispersion strengthened Cu alloys
Dehm, G.; Thomas, J.; Mayer, J.; Weißgärber, T.; Püsche, W.; Sauer, C.
Journal Article
1997Morphological transition in Ni/C nanoscale multilayers
Bobeth, M.; Krawietz, R.; Mai, H.; Pompe, W.; Sewing, A.; Thomas, J.
Conference Paper
1996Entwurf von Vibrationssensoren und Optimierungsanalysen mittels der Methode der finiten Elemente
Thomas, J.; Künhold, R.; Temmel, G.; Ryssel, H.
Conference Paper
1996FORMICROSYS-TP3. Werkzeugzustandsüberwachung und Maschinenregelung
Blöchl, W.; Fuchs, E.; Göhringer, J.; Lindmair, N.; Pittner, F.; Schlag, U.; Sick, B.; Thomas, J.
Report
1996Intelligente Sensoren steuern Mikrosystem
Thomas, J.
Journal Article