Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2014All-fiber pulse shortening of passively Q-switched microchip laser pulses down to sub-200 fs
Lehneis, Reinhold; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
2014Short and ultrashort pulses from fiber-amplified and passively Q-switched microchip lasers
Steinmetz, Alexander
Dissertation
2014Smoothed spectra for enhanced dispersion-free pulse duration reduction of passively Q-switched microchip lasers
Lehneis, Reinhold; Jauregui, Cesar; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
2013650 fs pulses at 1045 nm from a passively Q-switched Nd:YVO4 microchip laser system
Lehneis, R.; Steinmetz, A.; Limpert, J.; Tünnermann, A.
Conference Paper
2013All-fiber 170 fs pulses from a passively Q-switched microchip laser system
Lehneis, Reinhold; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Wavelength-tunable, sub-picosecond pulses from a passively Q-switched microchip laser system
Lehneis, Reinhold; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012All-fiber parametric generation of sub-100ps pulses at 650nm with 9Watt average power
Jauregui, Cesar; Steinmetz, Alexander; Nodop, Dirk; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Dispersion-free pulse duration reduction of passively Q-switched microchip lasers
Lehneis, Reinhold; Steinmetz, Alexander; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012High-power efficient generation of visible and mid-infrared radiation exploiting four-wave-mixing in optical fibers
Jauregui, Cesar; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Profinet und Power-over-Ethernet: Einfache Vernetzung dezentraler Sensorik
Heß, R.; Steinmetz, A.; Schriegel, Sebastian; Schumacher, M.
Journal Article
2012Sub-5-ps, multimegawatt peak-power pulses from a fiber-amplified and optically compressed passively Q-switched microchip laser
Steinmetz, Alexander; Jansen, Florian; Stutzki, Fabian; Lehneis, Reinhold; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Sub-5ps high energy pulses from a fiber-amplified and compressed passively Q-switched microchip laser
Steinmetz, Alexander; Jansen, Florian; Stutzki, Fabian; Lehneis, Reinhold; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Sub-5ps high-energy pulses from a fiber-amplified and compressed passively Q-switched microchip laser
Steinmetz, A.; Jansen, F.; Stutzki, F.; Lehneis, R.; Limpert, J.; Tünnermann, A.
Conference Paper
2011High average power large-pitch fiber amplifier with robust single-mode operation
Stutzki, F.; Jansen, F.; Eidam, T.; Steinmetz, A.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011High pulse energy Sub-10 ps pulses from compressed passively Q-switched laser
Steinmetz, A.; Nodop, D.; Eidam, T.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Lasersystem mit nichtlinearer Kompression
Nodop, Dirk; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Patent
2011Nonlinear compression of Q-Switched laser pulses to the realm of ultrashort durations
Steinmetz, A.; Eidam, T.; Nodop, D.; Limpert, J.; Tünnermann, A.
Journal Article
2011Robust single-mode ytterbium-doped large pitch fiber emitting 294 W
Jansen, F.; Stutzki, F.; Eidam, T.; Steinmetz, A.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Sub-10 picosecond pulses from a fiber-amplified and optically compressed passively Q-switched microchip laser
Steinmetz, A.; Nodop, D.; Martin, A.; Limpert, J.; Tünnermann, A.
Conference Paper
20102 MHz repetition rate, 200 ps pulse duration from a monolithic passively Q-switched microchip laser
Steinmetz, A.; Nodop, D.; Limpert, J.; Hohmuth, R.; Richter, W.; Tünnermann, A.
Conference Paper
2010High power picosecond mid-infrared and visible source based on degenerated four-wave-mixing in a large mode area photonic crystal fiber
Nodop, D.; Jauregui, C.; Schimpf, D.; Steinmetz, A.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Novel concept of timing jitter reduction of a passively Q-switched microchip lasers using self-injection seeding
Steinmetz, A.; Nodop, D.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Reduction of timing jitter in passively Q-switched microchip lasers using self-injection seeding
Steinmetz, A.; Nodop, D.; Martin, A.; Limpert, J.; Tünnermann, A.
Journal Article
2010Reduction of timing-jitter in a passively Q-switched microchip laser using self-injection seeding
Steinmetz, A.; Nodop, D.; Limpert, J.; Tünnermann, A.
Conference Paper
20092 MHz repetition rate, 200 ps pulse duration from a monolithic, passively Q-switched microchip laser
Steinmetz, A.; Nodop, D.; Limpert, J.; Hohmuth, R.; Richter, W.; Tünnermann, A.
Journal Article
2009Guetegeschalteter Laser
Tünnermann, A.; Nodop, D.; Steinmetz, A.; Limpert, J.
Patent
1999Content-Based Digital Signature for Motion Pictures Authentication and Content Fragile Watermarking
Dittmann, J.; Steinmetz, A.; Steinmetz, R.
Conference Paper
1999Content-Fragile Watermarking Based on Content-Based Digital Signatures
Dittmann, J.; Steinmetz, A.; Steinmetz, R.
Conference Paper
1999Integrierte rechnerbasierte Film- und Filmmetadaten-Präsentationen
Steinmetz, A.
Dissertation
1999Der kommende Standard zur Beschreibung multimedialer Inhalte
Nack, F.; Steinmetz, A.
Journal Article
1998Objektverfolgung und Szenerkennung in Video auf Basis von Kantendetektion
Dittmann, J.; Janovsky, P.; Steinmetz, A.
Conference Paper
1998PuMa - Ein webbasiertes Publikations-Management-System
Pörner, B.; Steinmetz, A.; Hemmje, M.
Study
1998Unterstützung des strukturierten Zugriffs auf MPEG Videos in einem Multimedia-Datenbankmanagementsystem
Malsy, M.; Hollfelder, S.; Steinmetz, A.; Hemmje, M.; Aberer, K.
Conference Paper
1997Enabling technology for the trading of MPEG-encoded video
Dittmann, J.; Steinmetz, A.
Conference Paper
1997Konzeption eines Video-Effect Modelers zur Bearbeitung von MPEG-2 kodiertem Videomaterial
Funke, N.; Steinmetz, A.
Thesis
1997Konzeption von Sicherheitsmechanismen für das Projekt DiVidEd
Dittmann, J.; Steinmetz, A.
Thesis
1997Sicherheitsproblematik in verteilten, digitalen Videoanwendungen und Präsentation eines technischen Lösungsansatzes zu trasparenten Verschlüsselung von MPEG-2 Video
Dittmann, J.; Steinmetz, A.
Conference Paper
1997Transparent integration of continuous media support into a multimedia DBMS
Hollfelder, S.; Schmidt, F.; Hemmje, M.; Aberer, K.; Steinmetz, A.
Book
1996DiVidEd - a distributed video production systembased on MPEG
Steinmetz, A.
Conference Paper
1995Distributed video editing and retrieval (DVER) - functional specification
Niccolini, F.; Tirakis, A.; Jacot-Descombes, A.; Steinmetz, A.; Kutschekmanesch, S.
Book
1994Konzeption eines digitalen Videoeditiersystems auf Basis des internationalen Standards ISO, IEC 11172 (MPEG-1)
Steinmetz, A.; Hemmje, M.
Book