Konstantin Pavlov
Lecturer, School of Science and Technology
Qualifications
PhD (Ioffe Physical-Technical Institute, St Petersburg, Russia)
Contact
| Email: | kpavlov@une.edu.au |
| Room: | Stokes Building (C24) 25 |
| Phone: | 02 6773 2061 (or +61 2 6773 2061 overseas) |
| Fax: | 02 6773 2844 |
Additional:
Unit co-ordinator for the following units:
PHYS132 Applied Physics II
ASTY221 Introduction to Astronomy
PHYS204 Electromagnetism 1
PHYS207 Fluid Mechanics
BIOP320 / 520 Biomedical Applications of Biophysics
Dr Pavlov has made significant contributions to the development of novel X-ray imaging techniques using laboratory and synchrotron radiation sources. This experimental research programme has been complemented by theoretical and computational studies of image reconstruction for both diffraction and phase contrast tomography, for which Dr Pavlov has established an international reputation.
In particular, Dr Pavlov has developed a new fundamental physical description of signal formation in X-ray diffraction tomography (XDT). This theoretical work has led to new image reconstruction algorithms and provided the basis for a new tomographic imaging modality based on X-ray diffraction and refraction. Appropriate pioneering experiments on XDT were successfully carried out at the Photon Factory in Japan.
More recently Dr Pavlov has developed, in collaboration with his colleagues from Monash University and CSIRO, several new approaches to phase-contrast X-ray imaging/tomography. Highlights include novel hybrid techniques, which allow phase-retrieval for an attenuating object and combines advantages of analyser-based and propagation-based techniques, limited data phase-contrast tomography and the new variant of Fourier holography, which gives, for the first time, a non-iterative deterministic realisation of direct and unambiguous coherent diffractive imaging.
The recent paper in Physical Review Letters (also featured in Physical Review Focus) opens a new way to extract 3D height information directly from a two-dimensional, plan-view image in photo-emission electron microscopy. Using soft X-ray radiation will allow one to obtain nanoscale resolution with this new technique.
Dr Pavlov also has an international reputation in the field of statistical dynamical X-ray diffraction theory. In a collaborative partnership with Professor V.I. Punegov (Syktyvkar State University, Russia), he developed a new approach to SDXRD for defect-containing multilayer heterostructures and superlattices. This work is pivotal to the new generation of heterostructures utilized in telecommunications and microelectronics.
Affiliations
Member of Optical Society of America
Member of Australian Institute of Physics
Research interests
My four main areas of current research investigation are:
- phase-contrast imaging and tomography
- photo-emission electron microscopy
- coherent diffractive imaging
- statistical diffraction theory and high-resolution X-ray diffraction
Teaching
PHYS131 Applied Physics I
PHYS132 Applied Physics II
PHYS204 Electromagnetism 1
PHYS313 Applied Photonics
BIOP320 / 520 Biomedical Applications of Biophysics
Selected publications
See also http://www.researcherid.com/rid/A-3802-2008
D.J. Vine, D. M. Paganin, K. M. Pavlov, K. Uesugi, A. Takeuchi, Y. Suzuki, N. Yagi, T. Kämpfe, E.-B. Kley and E. Förster, Deterministic Green's function retrieval using hard X-rays, Phys. Rev. Lett., 102, 043901, 2009.
D. J. Vine, D. M. Paganin, K. M. Pavlov, J. Kräußlich, O. Wehrhan, I. Uschmann and E. Förster, Analyser-based phase contrast imaging and phase retrieval using a rotating anode X-ray source, Applied Physics Letters, 91, 254110, 2007.
D. E. Jesson, K. M. Pavlov, M. J. Morgan and B. F. Usher, Imaging surface topography using Lloyd's mirror in Photo-Emission Electron Microscopy, Phys. Rev. Lett., 99, 016103, 2007.
S.G. Podorov, K.M. Pavlov and D.M. Paganin, A non-iterative reconstruction method for direct and unambiguous coherent diffractive imaging, Optics Express, 15(16), pp. 9954-9962, 2007.
T.E. Gureyev, Ya.I. Nesterets, K.M. Pavlov and S.W. Wilkins, Computed tomography with linear shift-invariant optical systems, J. Opt. Soc. Am. A., 24(8), pp. 2230-2241, 2007.
K.M. Pavlov, T.E. Gureyev, D. Paganin, Ya.I. Nesterets, M.J. Morgan and R.A. Lewis, Linear systems with slowly varying transfer functions and their application to X-ray phase-contrast imaging, J. Phys. D: Appl. Phys., 37, pp. 2746-2750, 2004.
Ya.I. Nesterets, T.E. Gureyev, D. Paganin, K.M. Pavlov and S.W. Wilkins, Quantitative diffraction-enhanced X-ray imaging of weak objects, J. Phys. D: Appl. Phys., 37, pp. 1262-1274, 2004.
K.M. Pavlov, C.M. Kewish, J.R. Davis and M.J. Morgan, A variant on the geometrical optics approximation in diffraction enhanced tomography, J. Phys. D: Appl. Phys., 34, pp. A168-A172, 2001.
Pavlov K.M. and Punegov V.I., Statistical dynamical theory of X-ray diffraction in the Bragg case: application to triple-crystal diffractometry, Acta Cryst., A56, pp. 227-234, 2000.
Herres N., Fuchs F., Schmitz J., Pavlov K.M., Wagner J., Ralston J.D., Koidl P., Gadaleta C. and Scamarcio G., Effect of interfacial bonding on the structural and vibrational properties of InAs/GaSb superlattices, Phys. Rev. B, 53, pp. 15688-15705, 1996.