Time-Resolved Studies of a Rolled-Up Semiconductor Microtube Laser (2009)
Strelow, Ch., Sauer, M., Fehringer, S., Korn, T., Schüller, C., Stemmann, A., ...
We report on lasing in rolled-up microtube resonators. Time-resolved studies on these semiconductor lasers containing GaAs quantum wells as optical gain material reveal particularly fast...
The busbar system for Wendelstein 7-X prepared for assembly and operational loads (2009)
Neubauer, O., Charl, A., Czymek, G., Giesen, B., Sauer, M., Scheibl, L., ...
Denner, T., Sauer, M., Westkämper, E., Verl, A.
Wer nach flexiblem Kundenbedarf produziert, muss in der Lage sein, das laufende Produktionsprogramm kontinuierlich zu verändern. Man muss in wenigen Minuten umrüsten können, um eben das zu...
Auxin acts as a local morphogenetic trigger to specify lateral root founder cells (2008)
DUBROVSKY, JG, SAUER, M, NAPSUCIALY-MENDIVIL, S, IVANCHENKO, MG, Friml, Jiri, SHISHKOVA, S, ...
ARF GEF-dependent transcytosis and polar delivery of PIN auxin carriers in Arabidopsis (2008)
Kleine-Vehn, Jürgen, DHONUKSHE, P, SAUER, M, BREWER, PB, WISNIEWSKA, J, PACIOREK, T, ...
Flavonoids Redirect PIN-mediated Polar Auxin Fluxes during Root Gravitropic Responses (2008)
SANTELIA, D, HENRICHS, S, VINCENZETTI, V, SAUER, M, BIGLER, L, KLEIN, M, ...
Stock option repricing in Europe (2008)
This paper investigates the link between option repricing, firm performance and corporate governance in Europe. Our sample consists of 77 European firms that repriced their stock option between 1987...
Hesebeck, O., Nossek, M., Werner, H., Brede, M., Klapp, O., Klein, H., ...
A molecular framework for plant regeneration (2006)
Xu, J., Hofhuis, H.F., Heidstra, R., Sauer, M., Friml, J., Scheres, B.J.G.
Plants and some animals have a profound capacity to regenerate organs from adult tissues. Molecular mechanisms for regeneration have, however, been largely unexplored. Here we investigate a local...
DUTZ, H, HELBING, K, KRIMMER, J, SPECKNER, T, ZEITLER, G, AHRENS, J, ...
Intermediate resonance excitation in the gamma p -> p pi(0)pi(0) reaction (2005)
AHRENS, J, ALTIERI, S, ANNAND, JRM, ANTON, G, ARENDS, HJ, AULENBACHER, K, ...
Single photon emission from a dendrimer containing eight perylene diimide chromophores (2004)
Osterling, I, Mullen, K, Tinnefeld, P, ...
A novel dendrimer containing eight perylene diimide chromophores has been synthesized and studied by ensemble and single-molecule spectroscopic techniques. Photon anti-bunching ( coincidence)...
Multichromophoric dendrimers as single-photon sources: A single-molecule study (2004)
Tinnefeld, P, Bell, TDM, ...
Single-molecule fluorescence spectroscopy was performed on a number of multi-peryleneimide substituted polyphenylene dendrimers for the purpose of investigating the parameters which influence the...
Herten, DP, ...
Experimental check of the Gerasimov-Drell-Hearn sum rule for H-1 (2004)
DUTZ, H, HELBING, K, KRIMMER, J, SPECKNER, T, ZEITLER, G, AHRENS, J, ...
First measurement of the helicity-dependent gamma p to p eta differential cross-section (2003)
Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.J., Aulenbacher, K., ...
The helicity dependence of the gamma p to p eta reaction has been measured for the first time at a center-of-mass angle theta /sub eta //sup */=70 degrees in the photon energy range from 780 MeV to...
Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.J., Aulenbacher, K., ...
The helicity dependence of the total cross section for the gamma p to n pi /sup +/ pi /sup 0/ reaction has been measured for the first time at incident photon energies from 400 to 800 MeV. The...
Weston, K, ...
Ensemble and single molecule spectroscopic measurements on a bichromophoric dendrimer system were performed. Although Forster type energy processes such as energy hopping and singlet-singlet...
Tinnefeld, P, Weston, KD, Ego, C, ...
We demonstrate measurements of the efficiency of competing Forster-type energy-transfer pathways in single bichromophoric systems by monitoring simultaneously the fluorescence intensity, fluorescence...
First measurement of the Gerasimov-Drell-Hearn sum rule for H-1 from 0.7 to 1.8 GeV at ELSA (2003)
DUTZ, H, HELBING, K, KRIMMER, J, SPECKNER, T, ZEITLER, G, AHRENS, J, ...
Excited state processes in individual multichromophoric systems (2003)
Cotlet, M, Habuchi, S, Müllen, K, ...
Antibunching in the emission of a single tetrachromophoric dendritic system (2002)
Weston, KD, Weil, T, ...
Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.J., Aulenbacher, K., ...
The helicity dependence of the (γ) over right arrow(p) over right arrow →ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment,...
First measurement of the Gerasimov-Drell-Hearn integral for 1H from 200 to 800 MeV (2001)
Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.J., Aulenbacher, K., ...
A direct measurement of the helicity dependence of the total photoabsorption cross section an the proton was carried out at MAMI (Mainz) in the energy range 200 lt E-[gamma] lt 800 MeV. The...
Powrie, C.J.Y., McGeorge, J.C., MacGregor, I.J.D., Ahrens, J., Annand, J.R.M., Arneil, J.F., ...
The C-12([([gamma])over right arrow], pp) and C- 12([([gamma])over right arrow], pn) reactions have been studied for E-gamma = 160-350 MeV using linearly polarized photons from the Glasgow tagged...
Nuclear pion photoproduction in the Delta resonance region (2000)
Branford, D., MacKenzie, J.A., Lee, F.X., Ahrens, J., Annand, J.R.M., Beck, R., ...
A measurement of the /sup 12/C( gamma , pi /sup +/n)/sup 11/B reaction in quasifree pi -production kinematic regimes has been performed using tagged photons in conjunction with large solid angle pi...
Ahrens, J., Altieri, S., Annand, J.R.M., Anton, G., Arends, H.J., Aulenbacher, K., ...
The helicity dependence of the single pion photoproduction on the proton has been measured in the energy range from 200 to 450 MeV for the first time. The experiment, performed at the Mainz microtron...
The 12C(gamma,NN) reaction studied over a wide kinematic range (2000)
Watts, D.P., MacGregor, I.J.D., Ahrens, J., Annand, J.R.M., Beck, R., Branford, D., ...
The12C( gamma,np) and 12C( gamma,pp) reactions have been studied using the Glasgow photon tagging spectrometer at the Mainz MAMI electron microtron for E gamma = 150-700 MeV over a kinematic range...
Low loop voltage start-up of the TEXTOR-94 discharge with ICRF and/or NBI assistance. (1999)
KOCH, R, LYSSOIVAN, A, NEUBAUER, O, GIESEN, B, HUTTEMAN, P, ESSER, HG, ...
C-12((gamma)over-right-arrow,pn) photon asymmetry for E-gamma=180-340MeV. (1999)
FRANCZUK, S, MACGREGOR, IJD, AHRENS, J, ANNAND, JRM, ARNEIL, JF, BECK, R, ...
Mechanisms in the C-12(gamma,pn) and (gamma,pp) reactions. (1998)
MACGREGOR, IJD, YAU, TTH, AHRENS, J, ANNAND, JRM, BECK, R, BRANFORD, D, ...
Transposon display identifies individual transposable elements in high copy number lines. (1998)
Van Den Broeck, Dirk, Maes, Tamara, SAUER, M, Zethof, Johannes, De Keukeleire, Peter, D'HAUW, M, ...
Transposon display: a technique for the study of transposable element behavior. (1997)
De Keukeleire, Peter, Cannoot, Bernard, Maes, Tamara, D'HAUW, M, SAUER, M, Van De Steene, Nancy, ...
A Wireless Broadband Integrated Services Communications System at 60 GHz (1996)
V. Aue, G. Fettweis, A. Finger, E. Förster, J. Hübner, H. Kaluzni, ...
Abstract: The paper presents a wireless integrated services communications system for indoor and campus use. Whereas most current indoor wireless systems are distinct solutions for different...
PROTON PHOTOPRODUCTION FROM C-12. (1995)
CROSS, GE, MACGREGOR, IJD, MCGEORGE, JC, AHRENS, J, ANTHONY, I, ANNAND, JRM, ...
Untersuchungen zur Elution von Blei aus Boeden durch Extraktion mit Kohlensaeure. (1992)
Diplomarbeit, Universitaet Karlsruhe 1992
Prozessautomatisierung mit dem PDV-Bus. (1978)
Patz, M., Wiemann, B., Neudorfer, E., Becks, B., Sauer, M., Zwoll, K.
KfK-PDV 163 (Juni 78)
Schneller Analog-Digital-Umsetzer und Speicher. (1977)
Arbel, A., Heckmann, R., Kurz, R., Sauer, M.
KFK-PDV 124 (September 77)
Proton photoproduction form 12C. Nucl. Phys; A 593(1995), 463.
GROSS, GE, MAC GREGOR, LJD, MC GEORGE, JC, AHRENS, J, ANTHONY, I, ANNAND, JRM, ...