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205 Publications
2012 | Journal Article | LibreCat-ID: 64474
Magnetic field dependence of the spin relaxation length in spin light-emitting diodes
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Applied Physics Letters 101 (2012) 112402-1-112402–4.
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H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Applied Physics Letters 101 (2012) 112402-1-112402–4.
2012 | Journal Article | LibreCat-ID: 64471
Depth-filtered digital holography
N. Koukourakis, V. Jaedicke, A. Adinda-Ougba, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Höpfner, Optics Express 20 (2012) 22636–22648.
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N. Koukourakis, V. Jaedicke, A. Adinda-Ougba, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Wiethoff, H. Höpfner, Optics Express 20 (2012) 22636–22648.
2012 | Conference Paper | LibreCat-ID: 64478
Signal processing for spectroscopic optical coherence tomography
V. Jaedicke, S. Agcaer, C.T. Kasseck, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Welp, in: Proceedings of the 7th International Workshop on Biosignal Interpretation (BSI2012), 2012, pp. 224–227.
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V. Jaedicke, S. Agcaer, C.T. Kasseck, N.C. Gerhardt, M. Hofmann, S. Goebel, H. Welp, in: Proceedings of the 7th International Workshop on Biosignal Interpretation (BSI2012), 2012, pp. 224–227.
2012 | Journal Article | LibreCat-ID: 64475
Multispectral photoacoustic coded excitation using pseudorandom codes - 82231E
M. Beckmann, C.-S. Friedrich, M. Mienkina, N.C. Gerhardt, M. Hofmann, G. Schmitz, Photons plus Ultrasound (2012) 82231E-1-82231E–8.
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M. Beckmann, C.-S. Friedrich, M. Mienkina, N.C. Gerhardt, M. Hofmann, G. Schmitz, Photons plus Ultrasound (2012) 82231E-1-82231E–8.
2011 | Conference Paper | LibreCat-ID: 64497
Time-resolved photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate
N.C. Gerhardt, N. Koukourakis, D. Funke, M.R. Hofmann, M. Klimasch, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, K. Volz, W. Stolz, in: 2011 13th International Conference on Transparent Optical Networks (ICTON 2011), 2011, pp. 111–114.
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N.C. Gerhardt, N. Koukourakis, D. Funke, M.R. Hofmann, M. Klimasch, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, K. Volz, W. Stolz, in: 2011 13th International Conference on Transparent Optical Networks (ICTON 2011), 2011, pp. 111–114.
2011 | Conference Paper | LibreCat-ID: 64494
Photoacoustic coded excitation using periodically perfect sequences
M. Beckmann, M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M. Hofmann, G. Schmitz, in: 2011 IEEE International Ultrasonics Symposium (IUS 2011), 2011, pp. 1179–1182.
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M. Beckmann, M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M. Hofmann, G. Schmitz, in: 2011 IEEE International Ultrasonics Symposium (IUS 2011), 2011, pp. 1179–1182.
2011 | Conference Paper | LibreCat-ID: 64486
Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on Silicon (001) substrate
N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
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N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
2011 | Conference Paper | LibreCat-ID: 64487
Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate
N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
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N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
2011 | Conference Paper | LibreCat-ID: 64496
Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system
C.-S. Friedrich, M. Mienkina, N.C. Gerhardt, M. Beckmann, G. Schmitz, M.R. Hofmann, C. Brenner, M. Jörger, A. Strauß, in: Diffuse Optical Imaging III, 2011, pp. 1–9.
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C.-S. Friedrich, M. Mienkina, N.C. Gerhardt, M. Beckmann, G. Schmitz, M.R. Hofmann, C. Brenner, M. Jörger, A. Strauß, in: Diffuse Optical Imaging III, 2011, pp. 1–9.
2011 | Journal Article | LibreCat-ID: 64495
Photorefractive two-wave mixing for image amplification in digital holography
N. Koukourakis, M. Li, R.Y.W. Lai, C. Brenner, N.C. Gerhardt, M. Hofmann, T. Abdelwahab, H. Höpfner, E. Darakis, Optics Express 19 (2011) 22004–22023.
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N. Koukourakis, M. Li, R.Y.W. Lai, C. Brenner, N.C. Gerhardt, M. Hofmann, T. Abdelwahab, H. Höpfner, E. Darakis, Optics Express 19 (2011) 22004–22023.
2011 | Conference Paper | LibreCat-ID: 64493
Experimental evaluation of multispectral photoacoustic coded excitation using orthogonal unipolar golay codes
M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M. Hofmann, G. Schmitz, A. Eder, in: 442. Wilhelm Und Else Heraeus-Seminar “Molecular Imaging” in Bad Honnef, October 5th - 8th, 2009, 2011.
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M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M. Hofmann, G. Schmitz, A. Eder, in: 442. Wilhelm Und Else Heraeus-Seminar “Molecular Imaging” in Bad Honnef, October 5th - 8th, 2009, 2011.
2011 | Conference Paper | LibreCat-ID: 64488
Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate
N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
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N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Bückers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
2011 | Conference Paper | LibreCat-ID: 64489
Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system
C. Brenner, N.C. Gerhardt, M.R. Hofmann, G. Schmitz, C.-S. Friedrich, M.P. Mienkina, M.F. Beckmann, M. Jörger, A. Strauß, in: 2011.
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C. Brenner, N.C. Gerhardt, M.R. Hofmann, G. Schmitz, C.-S. Friedrich, M.P. Mienkina, M.F. Beckmann, M. Jörger, A. Strauß, in: 2011.
2011 | Conference Paper | LibreCat-ID: 64491
Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate
N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Buckers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
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N.C. Gerhardt, M.R. Hofmann, N. Koukourakis, D.A. Funke, B. Kunert, S. Liebich, D. Trusheim, M. Zimprich, C. Buckers, S.W. Koch, K. Volz, W. Stolz, in: 2011.
2011 | Conference Paper | LibreCat-ID: 64490
Spectroscopic optical coherence tomography for substance identification
N.C. Gerhardt, M.R. Hofmann, V. Jaedicke, C. Kasseck, H. Wiethoff, S. Agcaer, H. Welp, in: 2011.
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N.C. Gerhardt, M.R. Hofmann, V. Jaedicke, C. Kasseck, H. Wiethoff, S. Agcaer, H. Welp, in: 2011.
2011 | Journal Article | LibreCat-ID: 59692
Ultrafast spin-induced polarization oscillations with tunable lifetime in vertical-cavity surface-emitting lasers
N.C. Gerhardt, M.Y. Li, H. Jähme, H. Höpfner, T. Ackemann, M.R. Hofmann, Applied Physics Letters 99 (2011).
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N.C. Gerhardt, M.Y. Li, H. Jähme, H. Höpfner, T. Ackemann, M.R. Hofmann, Applied Physics Letters 99 (2011).
2011 | Journal Article | LibreCat-ID: 64492
Birefringence and spin controlled ultrafast polarization oscillations in vertical-cavity surface-emitting lasers
M. Li, H. Jähme, H. Soldat, N.C. Gerhardt, M. Hofmann, T. Ackemann, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO Europe/EQEC 2011) (2011) 109.
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M. Li, H. Jähme, H. Soldat, N.C. Gerhardt, M. Hofmann, T. Ackemann, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO Europe/EQEC 2011) (2011) 109.
2010 | Journal Article | LibreCat-ID: 64505
Multispectral photoacoustic coded excitation imaging using unipolar orthogonal Golay codes
M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M.F. Schiffner, M. Hofmann, G. Schmitz, M.F. Beckmann, Optics Express 18 (2010) 9076–9087.
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M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, M.F. Schiffner, M. Hofmann, G. Schmitz, M.F. Beckmann, Optics Express 18 (2010) 9076–9087.
2010 | Journal Article | LibreCat-ID: 64502
Integrity of micro-hotplates during high-temperature operation monitored by digital holographic microscopy
R.Y.W. Lai, N. Koukourakis, N.C. Gerhardt, S. Hamann, M. Ehmann, K. Hackl, A. Ludwig, R. Meyer, M.R. Hofmann, E. Darakis, Journal of Microelectromechanical Systems 19 (2010) 1175–1179.
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R.Y.W. Lai, N. Koukourakis, N.C. Gerhardt, S. Hamann, M. Ehmann, K. Hackl, A. Ludwig, R. Meyer, M.R. Hofmann, E. Darakis, Journal of Microelectromechanical Systems 19 (2010) 1175–1179.
2010 | Journal Article | LibreCat-ID: 64500
Experimental evaluation of photoacoustic coded excitation using unipolar golay codes
M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, W.G. Wilkening, M. Hofmann, G. Schmitz, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 57 (2010) 1583–1593.
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M. Mienkina, C.-S. Friedrich, N.C. Gerhardt, W.G. Wilkening, M. Hofmann, G. Schmitz, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 57 (2010) 1583–1593.