Prof. Dr.-Ing.
Stefan Kray
Contact
Room
T2.4.15
Colloquium
Forschungssemester - Anmeldung per Mail
Phone
(07231) 28-6621- Since 09/2020: Professor for Medical Device Technology, Pforzheim University of Applied Sciences
- 2014-2020: Project Manager Intraoral Cameras, Dentsply Sirona
- 2013: Main prize winner New Entrepreneurship Cologne (NUK), 2nd place
- 2010-2014: Spin-off Keratas, services and products for the chemical and pharmaceutical industry
- 2012: Borchers Badge of the RWTH Aachen University
- 2010: Doctorate (Dr.-Ing.) on optical coherence tomography
- 2006-2010: Research associate, RWTH Aachen University
- 2004-2005: Research associate, Offis, Oldenburg, Germany
- 1999-2004: Studies of Computer Engineering, University of Siegen, Diploma with distinction
Optische Messtechnik , Medizinische Sensorik , 2D and 3D computer vision , optical coherence tomography , Multispectral Imaging
Fundamentals of Electrical Engineering , Physics , Python & Deep Learning , Signal Processing Fundamentals , Diagnostic and therapeutic systems
Journal article
BHATTI, F., ENGEL, G., REBER, A., KRAY, S., GREINER, T. (2023). Non-Contact Face Temperature Measurement by Thermopile-Based Data Fusion. Sensors, 23 (18), 7680. doi:10.3390/s23187680.
DELAFONTAINE, M., KRAY, S., PANFIL, C., SPÖLER, F., KRAY, S., BURGHER, F., MATHIEU, L., BLOMET, J., SCHRAGE, N. F., ... TAMBOURGI, D. V. (2018). The Ex vivo Eye Irritation Test (EVEIT) model as a mean of improving venom ophthalmia understanding. TOXICON, 150, 253-260. doi:10.1016/j.toxicon.2018.06.061.
KRAY, S., SPÖLER, F., KRAY, O., KRAY, S., PANFIL, C., SCHRAGE, N. F. (2015). The Eye Irritation Test as an Alternative Test Method for Serious Eye Damage/Eye Irritation. ATLA-ALTERNATIVES TO LABORATORY ANIMALS, 43 (3), 163-179. doi:10.1177/026119291504300306.
AL RAWASHDEH, W., KRAY, S., WEYAND, T., KRAY, S., LENZ, M., BUCHKREMER, A., SPÖLER, F., SIMON, U., MÖLLER, M., KIESSLING, F., ... LEDERLE, W. (2015). Differential contrast of gold nanorods in dual-band OCT using spectral multiplexing. JOURNAL OF NANOPARTICLE RESEARCH, 17 (3). doi:10.1007/s11051-015-2949-x.
AL RAWASHDEH, W., KRAY, S., ARNS, S., GREMSE, F., EHLING, J., KNÜCHEL-CLARKE, R., KRAY, S., SPÖLER, F., KIESSLING, F., ... LEDERLE, W. (2014). Optical Tomography of MMP Activity Allows a Sensitive Noninvasive Characterization of the Invasiveness and Angiogenesis of SCC Xenografts. NEOPLASIA, 16 (3), 235-246.e1. doi:10.1016/j.neo.2014.03.005.
AL RAWASHDEH, W., KRAY, S., KRAY, S., PICH, A., PARGEN, S., BALACEANU, A., LENZ, M., SPÖLER, F., KIESSLING, F., ... LEDERLE, W. (2012). Polymeric nanoparticles as OCT contrast agents. JOURNAL OF NANOPARTICLE RESEARCH, 14 (12). doi:10.1007/s11051-012-1255-0.
KRAY, S., KRAY, S., SPÖLER, F., HELLERER, T., KURZ, H. (2010). Electronically controlled coherent linear optical sampling for optical coherence tomography. OPTICS EXPRESS, 18 (10), 9976. doi:10.1364/OE.18.009976.
KRAY, S., KRAY, S., SPÖLER, F., FÖRST, M., KURZ, H. (2009). High-resolution simultaneous dual-band spectral domain optical coherence tomography. OPTICS LETTERS, 34 (13), 1970. doi:10.1364/OL.34.001970.
KRAY, S., KRAY, S. (2009). Improved contrast in clinical imaging. SPIE Newsroom. doi:10.1117/2.1200909.1809.
KRAY, S., KRAY, S., SPÖLER, F., FÖRST, M., KURZ, H. (2008). Dual femtosecond laser multiheterodyne optical coherence tomography. OPTICS LETTERS, 33 (18), 2092. doi:10.1364/OL.33.002092.
KRAY, S., SPÖLER, F., KRAY, S., GRYCHTOL, P., HERMES, B., BORNEMANN, J., FÖRST, M., ... KURZ, H. (2007). Simultaneous dual-band ultra-high resolution optical coherence tomography. OPTICS EXPRESS, 15 (17), 10832. doi:10.1364/OE.15.010832.
Article in Proceedings
KRAY, S., BLECHSCHMIDT, F., GERLICH, M. (2024). Low-cost, multispectral light field camera for medical applications.
KRAY, S., CACCIATORE, A., MACK, M. (2022). Fast and cost-effective multispectral imaging for heart rate detection. ISSN: 1614-8436 – urn:nbn:de:0287-2022-A028-9.
HEINEN, U., KRAY, S. (2022). Optischer CT-Demonstrator für das Lehrlabor Medizinische Bildgebung. ISSN: 1614-8436 – urn:nbn:de:0287-2022-B024-6.
HEINEN, U., KRAY, S. (2022). Optischer CT-Demonstrator für das Lehrlabor Medizinische Bildgebung. DGaO-Proceedings 2022.
KRAY, S., KRAY, S., LENZ, M., SPÖLER, F., KURZ, H. (2011). Increased tissue contrast by high resolution simultaneous dual-band optical coherence tomography in three dimensions. European Conference on Biomedical Optics (pp. 809209). OSA.
KRAY, O., KRAY, S., LENZ, M., SPÖLER, F., KRAY, S., KURZ, H. (2011). Pathogenesis of the dry eye syndrome observed by optical coherence tomography in vitro. European Conference on Biomedical Optics (pp. 809126). OSA.
KRAY, S., KRAY, S., SPÖLER, F., FÖRST, M., KURZ, H. (2009). Dual femtosecond laser based multiheterodyne low coherence interferometry. Conference on Lasers and Electro-Optics (pp. CTuAA4). OSA.
KRAY, S., KRAY, S., SPÖLER, F., FÖRST, M., KURZ, H. (2008). Supercontinuum based ultrahigh resolution Fourier domain optical coherence tomography for in-vivo dermatology. Biomedical Optics (pp. BMD90). OSA.
KRAY, S., SPÖLER, F., ANDERSEN, P. E., CHEN, Z., KRAY, S., GRYCHTOL, P., HERMES, B., BORNEMANN, J., FÖRST, M., ... KURZ, H. (2007). Ultrahigh resolution optical coherence tomography at two infrared wavelength regions using a single light source. European Conference on Biomedical Optics (pp. 662704). SPIE.
KRAY, S., SPÖLERA, F., KRAY, S., GRYCHTOL, P., HERMES, B., BORNEMANN, J., FÖRST, M., ... KURZ, H. (2007). Ultrahigh resolution optical coherence tomography at two infrared wavelength regions using a single light source. European Conference on Biomedical Optics (pp. 6627_3). OSA.
FATIKOW, S., KRAY, S., KRAY, S., EICHHORN, V., TAUTZ, S. (2006). Development of a Nanohandling Robot Station for Nanocharacterization by an AFM Probe. 2006 14th Mediterranean Conference on Control and Automation (pp. 1-6). IEEE.
Leader of a project funded from public institutions
2024 - 2026
Inskale - Interaktive skalierbare Lernplattform für die Elektrotechnik
Foundation for Innovation in Higher Education Germany
Leader of a project funded from companies and/or private institutions
2023 - 2026
New sensor technology for multispectral clinical imaging (NEOSPEK)
Germany