IEAP - Institute of Experimental and Applied Physics

Departments > Department of applied physics and technology > Krejčí František, Ing., Ph.D.

Krejčí František, Ing., Ph.D.

Department:	Department of applied physics and technology
Position:
Phone number:	+420 224 359 179
E-mail:	frantisek.krejci@utef.cvut.cz
Collaboration:	regular staff

Personal data

Born: March 1984, Boskovice, Czech republic

Education:

2009 - 2014 Faculty of Biomedical Engineering, CTU in Prague (Ph.D.)
2006 - 2008 Faculty of Nuclear Sciences and Physical Engineering, CTU in Prague (MSc.)
2006 - 2010 Masaryk Institute of Advanced Studies, CTU in Prague, Technical Teacher Education (BSc.)
2003 - 2006 Faculty of Nuclear Sciences and Physical Engineering, CTU in Prague (BSc.)
1999 - 2003 High School in Boskovice

Main Research Activities

Imaging techniques based on hybrid semiconductor pixel detectors and ionization radiation (phase contrast imaging with X-rays and neutrons, spatial resolution enhancement techniques, energy sensitive X-ray radiography and CT)
Application of radiation imaging for investigation in biology, material science, cultural heritage studies etc.
Image processing, image reconstruction
Investigation of semiconductor detection structures and their applications
Application of hybrid pixel detector technology for educational purposes

Membership and other activities

Member of IEEE Nuclear and Plasma Sciences Society
Secretary of the Czechoslovakia Section IEEE Nuclear and Plasma Sciences Society
Secretary of the Scientific seminar of the Institute of Experimental and Applied Physics CTU in Prague

Responsible for Grants (5)

676548	BrightnESS - Building a research infrastructure and synergies for highest scientific impact on ESS	H2020	1.10.2015-1.10.2018
15-04987S	Non-destructive methods as a tool for studies on diversity of Cretaceous fossil plants	GAČR	1.1.2015-31.12.2017
TA04011329	Advanced techniques of X-ray radiography for life sciences and industry	TAČR	1.7.2014-31.12.2017
CZ.1.05/3.1.00/14.0301	Universal radiographic system with high contrast and low dose of ionizing radiation	OP VaVPI	1.1.2014-31.12.2014
289198	Advanced Radiation Dosimetry European Network Training initiative	EU	1.2.2012-31.1.2016

Articles in Impacted Journals
(26)

Articles in Conference Proceedings
(13)

Thesis
(3)

Other publications
(1)

All
(43)

Text format

Name	Author	Scientific journal	Year
Evaluation of sample holders designed for long-lasting X-ray micro-tomographic scans of ex-vivo soft tissue samples	Dudák J.; Žemlička J.; Krejčí F.; Karch J.; Patzelt M.; Zach P.; Sykora V.;	Journal of Instrumentation	2016
High-contrast X-ray micro-radiography and micro-CT of ex-vivo soft tissue murine organs utilizing ethanol fixation and large area photon-counting detector	Dudák J.; Žemlička J.; Karch J.; Patzelt M.; Mrzílková J.; Zach P.; Heřmanová Z.; Kvacek J.; Krejčí F.	Scientific reports 6, 30385	2016
High-contrast X-ray micro-tomography of low attenuation samples using large area hybrid semiconductor pixel detector array of 10 x 5 Timepix chips	Karch J.; Krejčí F.; Bartl B.; Dudák J.; Kuba J.; Kvacek J.; Žemlička J.	Journal of Instrumentation	2016
Non-destructive imaging of framents of historical beeswax seals using high-contrast X-ray micro-radiography and micro-tomography with large area photon-counting detector array	Karch J.; Bartl B.; Dudák J.; Žemlička J.; Krejčí F.	Micron (accepted)	2016
Trichobilharzia regenti (Schistosomatidae): 3D imaging techniques in characterization of larval migration through the CNS of vertebrates	Bulantova J.; Machacek T.; Panska L.; Krejčí F.; Karch J.; Jähring N.; Saghafi S.; Dodt H.; Horak P.	Micron	2016
Visualization of delamination in composite materials utilizing advanced X-ray imaging techniques	Vavřík D.; Jakůbek J.; Jandejsek I.; Krejčí F.; Kumpová I.; Žemlička J.	Journal of Instrumentation 10 C04012	2015
X-ray micro-CT scanner for small animal imaging based on Timepix detector technology	Dudák J.; Žemlička J.; Krejčí F.; Polanský Š.; Jakůbek J.; Mrzílková J.; Patzelt M.; Trnka J.	Nucl. Instr. Methods A 773, 81-86	2015
High-contrast X-ray Radiography Using Hybrid Semiconductor Pixel Detectors with 1 mm thick Si sensor as a Tool for Monitoring Liquids in Natural Building	Krejčí F.; Slavíková M.; Žemlička J.; Jakůbek J.; Kotlík P.	Journal of Instrumentation 9 C07014	2014
Modular pixelated detector system with the spectroscopic capability and fast parallel read-out	Vavřík D.; Holík M.; Jakůbek J.; Jakůbek M.; Kraus V.; Krejčí F.; Soukup P.; Tureček D.; Vacík J.; Žemlička J.	Journal of Instrumentation 9 C06006	2014
Neutron and high-contrast X-ray micro-radiography as complementary tools for monitoring organosilicon consolidants in natural building stones	Slavíková M.; Krejčí F.; Kotlík P.; Jakůbek J.; Tomandl I.; Vacík J.	Nucl. Instr. Methods B: Beam Interactions with Materials and Atoms 338, 42-47	2014
X-ray inspection of composite materials for aircraft structures using detectors of Medipix type	Jandejsek I.; Jakůbek J.; Jakůbek M.; Průcha P.; Krejčí F.; Soukup P.; Tureček D.; Vavřík D.; Žemlička J.	Journal of Instrumentation 9 C05062	2014
Displacement tracking in single human trabecula with metal-plated micro-spheres using X-ray radiography imaging	Jiroušek O.; Kytýř D.; Doktor T.; Krejčí F.	Journal of Instrumentation 8 C02041	2013
Some properties of the neutron monochromatic beams obtained by multiple Bragg reflections realized in bent perfect single crystals	Mikula P.; Vrana M.; Saroun J.; Krejčí F.; et. al.	Applied Crystallography 46, 128-134	2013
X-ray micro-radiography and microscopy of seeds	Sýkora V.; Žemlička J.; Krejčí F.; Jakůbek J.	Science 339 (6119), 511	2013
Mobile system for in-situ imaging of cultural objects	Žemlička J.; Jakůbek J.; Krejčí F.; Hradil D.; Hradilová J.; Mislerová H.	Journal of Instrumentation 7 C01108	2012
Pixel detector Timepix operated in pile-up mode for pulsed imaging with ultra-soft X-rays	Krejčí F.; Jakůbek J.; Kroupa M.; Brůža P.; Pánek D.	Journal of Instrumentation 7 C12013	2012
Probe and scanning system for 3D response mapping of pixelated semiconductor detector with X-rays and the timepix device	Jakůbek M.; Jakůbek J.; Žemlička J.; Kroupa M.; Krejčí F.	AIP Conf. Proc. 1423, pp. 461-466; doi:10.1063/1.3688846	2012
X-ray Radiography and Tomography for Monitoring the Penetration Depth of Consolidants in Opuka - the Building stone of Prague Monuments	Slavíková M.; Krejčí F.; Žemlička J.; Pech M.; Kotlík P.; Jakůbek J.	Journal of Cultural Heritage 13 (4), 357-364	2012
Coincidence Imaging System with Electron Optics	Kroupa M.; Jakůbek J.; Krejčí F.; Žemlička J.; Horáček M.; Radlička T.; Vlček I.	Nucl. Instr. Methods A 633, Suppl. 1, S270-S273	2011
Semiconductor pixel detector with absorption grid as a tool for charge sharing studies and energy resolution improvement	Krejčí F.; Jakůbek J.; Kroupa M.; Jurka V.; Hruška K.	Journal of Instrumentation 6 C12034	2011
Single grating method for low dose 1-D and 2-D phase contrast X-ray imaging	Krejčí F.; Jakůbek J.; Kroupa M.	Journal of Instrumentation 6 C01073	2011
Test of pixel detectors for laser-driven accelerated particle beams	Reinhardt S.; Granja C.; Krejčí F.; Assmann W.	Journal of Instrumentation 6 C12030	2011
Wide Energy Range Gamma-Ray Calibration Source	Kroupa M.; Granja C.; Janout Z.; Králík M.; Krejčí F.; Owens A.; Pospíšil S.; Quarati F.; Šolc J.; Vobecký M.	Journal of Instrumentation 6 T11002	2011
X-ray Phase Contrast Imaging Using Single Absorption Coded Aperture	Krejčí F.; Jakůbek J.; Kroupa M.	Nucl. Instr. Methods A 633, Suppl. 1, 181 - 184	2011
Hard x-ray phase contrast imaging using single absorption grating and hybrid semiconductor pixel detector	Krejčí F.; Jakůbek J.; Kroupa M.	Rev. Sci. Instrum. 81, 113702	2010
Enhancement of spatial resolution of roentgenographic methods	Krejčí F.; Jakůbek J.; Dammer J.; Vavřík D.	Nucl. Instr. Methods A 607, Issue 1, 208-211	2009