Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Sönke Tautz"'
Autor:
Christoph Eichler, Sönke Tautz, Adrian Stefan Avramescu, Uwe Strauss, Georg Bruederl, Jens Müller, Teresa Lermer, Stephan Lutgen
Publikováno v:
SID Symposium Digest of Technical Papers. 42:685-688
We report on direct green lasers based on nitride semiconductors that are suitable for mobile projection applications. The TO38 packaged lasers achieved in continuous wave operation at 522nm wavelength more than 80mW optical power. The wall plug effi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dc05f74a70400f99457f8ba7f3a8dbe
https://doi.org/10.1889/1.3621416
https://doi.org/10.1889/1.3621416
Autor:
Matthias Sabathil, Christoph Eichler, Alfred Lell, Sönke Tautz, Uwe Strauß, Stefanie Brüninghoff, Stephan Lutgen
Publikováno v:
physica status solidi (a). 206:1149-1152
We present the investigation of an optimized epitaxial layer structure in order to reach high optical output powers of several watts. The influence of an interlayer, which is located between the multiple quantum well layers and the electron blocking
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57655fa4a0342f342931be71bd4fd945
https://doi.org/10.1002/pssa.200880859
https://doi.org/10.1002/pssa.200880859
Autor:
Alfred Lell, Stefanie Brüninghoff, Christoph Eichler, Marc Schillgalies, Christian Rumbolz, Uwe Strauss, Sönke Tautz, Stephan Lutgen
Publikováno v:
physica status solidi c. 5:2077-2079
The blue light sources of choice for laser projection will be long wavelength nitride lasers because of their high wall plug efficiency and their small form factor compared to blue light sources using second harmonic generation. High quality of the f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dacfc90f8fdf172a1bf2330b1002f47
https://doi.org/10.1002/pssc.200778417
https://doi.org/10.1002/pssc.200778417
Autor:
Oliver Mehl, Stefan Morgott, Georg Brüderl, Uwe Strauß, Christoph Eichler, Sven Gerhard, Thomas Hager, Alfred Lell, Jelena Ristic, Bernhard Stojetz, Sönke Tautz, Clemens Vierheilig, André Somers, Adrian Stefan Avramescu, Teresa Wurm
Publikováno v:
SPIE Proceedings.
InGaN based green laser diodes with output powers up to 50mW are now well established for variety of applications ranging from leveling to special lighting effects and mobile projection of 12lm brightness. In future the highest market potential for v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::202c6fb3b7d2f2454c9b21143a464067
https://doi.org/10.1117/12.2006220
https://doi.org/10.1117/12.2006220
Autor:
Teresa Lermer, Sönke Tautz, Jens Müller, Alfred Lell, Clemens Vierheilig, Georg Brüderl, Bernhard Stojetz, Christoph Eichler, Thomas Hager, Adrian Stefan Avramescu, Jelena Ristic, Uwe Strauss, Fabian Kopp
Publikováno v:
SPIE Proceedings.
There is a big need on R&D concerning visible lasers for projection applications. The pico-size mobile projection on the one hand awaits the direct green lasers with sufficiently long lifetimes at optical powers above 50mW. In this paper we demonstra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b86400e6896588efae16d75195f889c4
https://doi.org/10.1117/12.917469
https://doi.org/10.1117/12.917469
Autor:
Stephan Lutgen, Georg Brüderl, M. Schillgalies, Dimitri Dini, Sönke Tautz, Andreas Breidenassel, Jens Müller, Teresa Lermer, Uwe Strauß
Publikováno v:
SPIE Proceedings.
We present analytical methods to study the physical mechanisms of the optical output stability of blue InGaN laser diodes in short and long-term stress experiments. Lasers of three ridge widths were stressed under constant current condition at a cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40d9cc7a05122ba7fc81901ff303807d
https://doi.org/10.1117/12.842130
https://doi.org/10.1117/12.842130
Autor:
Uwe Strauß, Stefanie Brüninghoff, Matthias Sabathil, Sönke Tautz, Désirée Queren, Stephan Lutgen
Publikováno v:
SPIE Proceedings.
True blue lasers with wavelengths of ~450 nm are of great interest for full color laser projection. These kind of applications usually require high output power and, in particular, an excellent wall plug efficiency within a wide temperature range. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::888cc89c06eff6dc777728bd0f84ae29
https://doi.org/10.1117/12.807979
https://doi.org/10.1117/12.807979
Autor:
T. Wurm, Roland Zeisel, Bastian Galler, Christoph Eichler, S. Gerhard, Georg Brüderl, Michael Binder, Thomas Hager, Uwe Strauss, Alvaro Gomez-Iglesias, Adrian Stefan Avramescu, Sönke Tautz, Bernhard Stojetz
Publikováno v:
Applied Physics Letters. 102:231102
In this paper, the carrier transport in (Al)InGaN based test structures with In-rich quantum wells on c-plane substrates is investigated under high current operation. To get access to the injection efficiency, the devices are processed as ridge waveg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83acec9575bafa8c479ebcacdaae0ecc
https://doi.org/10.1063/1.4809833
https://doi.org/10.1063/1.4809833
Autor:
Bernhard Stojetz, Thomas Weig, Ulrich T. Schwarz, Uwe Strauss, Christine Höß, Sönke Tautz, Alfred Lell, Fabian Kopp, Christoph Eichler, Jelena Ristic
Publikováno v:
Japanese Journal of Applied Physics. 52:08JH07
We present a blue InGaN research and development superluminescent light-emitting diode (SLED) that is suitable for picoprojection. The SLED reaches an output power of >100 mW with a peak wavelength of 443 nm and a spectral bandwidth of >2.6 nm as wel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7d128790ed06e5fe35bfd5ce4c644c2
https://doi.org/10.7567/jjap.52.08jh07
https://doi.org/10.7567/jjap.52.08jh07
Autor:
Christoph Eichler, Uwe Strauss, Jens Müller, Georg Brüderl, Teresa Lermer, Adrian Stefan Avramescu, Alvaro Gomez-Iglesias, Sönke Tautz, Thomas Hager, S. Gerhard
Publikováno v:
Applied Physics Letters. 101:171109
We present a detailed study of laser characteristics of blue and green R&D laser diodes grown on free standing GaN substrates with c-plane orientation under forward current condition. The slope efficiency of the blue emitting device exhibits a consta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eeb98761cf767e576307dff888ee802
https://doi.org/10.1063/1.4764067
https://doi.org/10.1063/1.4764067