Zobrazeno 1 - 10
of 286
pro vyhledávání: '"H.-P. Röser"'
Publikováno v:
Infrared Physics & Technology. 40:239-246
A far-infrared laser magnetic resonance spectrometer is described. A superconducting magnet is used for the tuning of the energy levels. Pressure broadening measurements of OH and NO have been performed. The measurements demonstrate that the laser ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3849336160dc8cbce80bb892965a44e7
https://doi.org/10.1016/s1350-4495(99)00016-x
https://doi.org/10.1016/s1350-4495(99)00016-x
Autor:
H. P. Röser, Erik Bründermann, D. R. Chamberlin, Eugene E. Haller, Oscar D. Dubon, W. L. Hansen, Lothar A. Reichertz, A. M. Linhart, G. Sirmain
Publikováno v:
Physical Review B. 56:12069-12072
We have measured the spectrum of stimulated far-infrared emission from Be- and Zn-doped germanium single crystals in crossed electric and magnetic fields. The spectrum consists of broad radiation bands in the frequency range of $40--130{\mathrm{cm}}^
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e25df59cab51c23d123485c040a3806
https://doi.org/10.1103/physrevb.56.12069
https://doi.org/10.1103/physrevb.56.12069
Publikováno v:
Acta Astronautica. 39:951-960
DLR-TUBSAT is a joint project of the DLR Institute of Space Sensor Technology and the Institute of Aeronautics and Astronautics at the Technical University of Berlin. Based on the experience gained with TUBSAT-A and TUBSAT-B an attitude control unit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::791836669e79117b7fb348627037bc4b
https://doi.org/10.1016/s0094-5765(97)00081-7
https://doi.org/10.1016/s0094-5765(97)00081-7
Observation of mesoscopic effects in Schottky diodes at 300 K when used as mixers at THz frequencies
Publikováno v:
Semiconductor Science and Technology. 11:1328-1332
During experiments on the optimization of submicrometre-size Schottky barrier diodes we have confirmed some earlier results but appear to have found an entirely unexpected effect. The very small GaAs diodes are used in heterodyne spectroscopy in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43735da719cdaa58764622ff64f19271
https://doi.org/10.1088/0268-1242/11/9/014
https://doi.org/10.1088/0268-1242/11/9/014
Publikováno v:
Infrared Physics & Technology. 36:59-69
Heterodyne mixing of the far infrared p -Ge intervalenceband pulse laser and the optically pumped continuous wave ring gas laser at 117.7 μm (CH 2 F 2 ), 118.8 μm (CH 3 OH) and at 184.3 μm (CH 2 F 2 ) revealed the p -Ge laser mode fine structure w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd912f612729334f6f05f60054851443
https://doi.org/10.1016/1350-4495(94)00054-o
https://doi.org/10.1016/1350-4495(94)00054-o
Publikováno v:
Infrared Physics & Technology. 35:451-462
Recent advances in nanostructure fabrication technology have made possible the development of GaAs Schottky barrier diodes with sub-half micron diameters and epitaxial layers which are heavily doped and only several 10's of nanometers thick. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4258d67ed8f00e040646f0b3602536fe
https://doi.org/10.1016/1350-4495(94)90102-3
https://doi.org/10.1016/1350-4495(94)90102-3
Publikováno v:
Proceedings of the IEEE. 80:1827-1841
The operation of GaAs Schottky barrier diodes, the critical mixer element used in heterodyne receivers for a variety of scientific applications in the terahertz frequency range, is reviewed. The constraints that the receiver system places on the diod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9eb150b4c8b0828ea670d13d460ebaa1
https://doi.org/10.1109/5.175258
https://doi.org/10.1109/5.175258
Autor:
B. Bernhardt, Christopher S.D. Lee, Sabine Klinkner, Daniel Rodionov, Iris Fleischer, Göstar Klingelhöfer, M. Blumers, H.-P. Röser
Publikováno v:
Communications in Computer and Information Science ISBN: 9783642035579
Eurobot Conference
Eurobot Conference
Mobility is a key feature for any science mission and for space exploration in general. Missions with mobile systems provide a much wider spectrum of outcomes by employing a higher number of samples within an increased area of exploration. The additi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d090575a6042e409bf213d882585bb76
https://doi.org/10.1007/978-3-642-03558-6_18
https://doi.org/10.1007/978-3-642-03558-6_18
Autor:
Thomas W. Crowe, H. P. Röser, R. U. Titz, H. J. Neilson, W. C. B. Peatman, G. Dodel, P. A. D. Wood, J. Prince, G. W. Schwaab, B. S. Deaver, H. Alius
Publikováno v:
International Journal of Infrared and Millimeter Waves. 11:809-820
The properties of GaAs Schottky barrier diodes as video detectors and mixing elements were investigated in the frequency range from 0.8–2.5 THz. For the most sensitive diode, the video responsivity and system noise temperature were measured as a fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aeffc46603e837c9ff1f8e023dace5f
https://doi.org/10.1007/bf01010134
https://doi.org/10.1007/bf01010134
Autor:
H. P. Röser
Publikováno v:
Europhysics News. 21:195-200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a5b433269c4a0189b351cffc22385fb
https://doi.org/10.1051/epn/19902110195
https://doi.org/10.1051/epn/19902110195