International Journal of Optics and Applications

International Journal of Optics and Applications publishes original contributions to optical knowledge from educational institutions, government establishments and industrial R&D groups world-wide. Papers may deal with the applications of optics, considering both experimental and theoretical aspects of contemporary research.

Fouad El-Diasty

Editorial Board Member of International Journal of Optics and Applications

Professor, Physics Department, Faculty of Science, Ain Shams University, Egypt

Research Areas

Fiber Optics, Glasses, Nonlinear Optics, Laser Physics, Nano-materials, Interferometry, Laser Material Processing, Fiber Bragg Gratings, Laser Spectroscopy (CARS)


1995Ph.DAin Shams University and Dusseldorf University
1987M.ScAin Shams University
1982B.ScAin Shams University

Academic Achievement

Prize of the Egyptian Academy of Science (2002
Prize of Ain Shams University for international scientific publications (2009)

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  N. Barakat, H. A. El-Hennawi, M. Medhat, M. A. Sobie, and F. El-Diasty, "Interferometric examination of spliced optical fibers," Applied Optics 25 3466-68 (1986).
[2]  H. A. El-Hennawi, M. Medhat, and F. El-Diasty, "On the determination of the index profile parameters of a graded index fiber," Egyptian Journal of Physics 18 179-89 (1987).
[3]  H. A. El-Hennawi, F. El-Diasty, and O. Meshrif, "Interferometric determination of the refractive index of optical fiber cladding and an examination of its homogeneity," Journal of Applied Physics 62 4931-33 (1987).
[4]  N. Barakat, H. A. El-Hennawi, and F. El-Diasty, "Multiple-beam interference fringes applied to GRIN optical waveguides to examine fiber formation." Applied Optics 27 5090-94 (1988).
[5]  F. El-Diasty, "Interferometric determination of induced birefringence due to bending in single-mode optical fibres," Journal of Optics A: Pure & Applied Optics 1 197-200 (1999).
[6]  F. El-Diasty, "Interferometric characterization of single-mode bent optical fibers," Journal of Applied Physics 87 3254-57 (2000).
[7]  F. El-Diasty, "Multiple-beam interferometric determination of Poisson's ratio and strain distribution profiles along the cross section of bent single-mode optical fibers," Applied Optics 39 3197-3201 (2000).
[8]  F. El-Diasty, A. Heaney, and T. Erdogan, "Analysis of fiber Bragg gratings by a side-diffraction interference technique," Applied Optics 40 890-96 (2001).
[9]  F. El-Diasty, "Theory and measurement of Young's modulus radial profiles of bent single-mode optical fibers with the multiple-beam interference technique," Journal of the Optical Society of America A., 18 1171-75 (2001).
[10]  F. El-Diasty, "Direct determination of induced birefringence in the cladding of bent single-mode optical fibres," Egyptian Journal of Physics 33 359-368 (2001).
[11]  N. Barakat, H. A. El-Hennawi, E. A. Abd.El-Ghafar, H. El-Ghandour, R. Hassan, and F. El-Diasty, "Three-dimensional refractive index profile of a GRIN optical wave guide using multiple beam interference fringes," Optics Communications 137 39-47 (2001).
[12]  F. El-Diasty, "Interferometric examination of the effect of bending on some single-mode fibre parameters," Journal of Optics A: Pure & Applied Optics 4 575-579 (2002).
[13]  F. El-Diasty, "Application of Fizeau fringes with bending technique to determine the shear modulus of the cladding material of single-mode optical fibers through the mechanically induced change of refractive index," Optics Communications 212 267-274 (2002).
[14]  F. El-Diasty, "Evaluation of some GRIN fiber parameters and associated fraction mode loss due to mechanically induced optical anisotropy," Applied Optics 42 5263-5273 (2003).
[15]  F. El-Diasty, "Interferometric determination of propagation constants difference between adjacent propagated modes in bent GRIN optical fibers," Measurements Scince and Technology 14 1734-1738 (2003).
[16]  F. El-Diasty, "Fizeau interferometry-based measurement of the photo-elastic coefficient and the cut-off wavelength in bent standard single-mode optical fiber," Optics Communications 225 61-70 (2003).
[17]  A. M. Hamed, H. El-Gandour, F. El-Diasty, and M. A. soudy, "Analysis of speckle images to assess surface roughness," Optics and Laser Technology 36 249-253 (2004).
[18]  F. El-Diasty, "Theoretical and experimental evaluation of the modal field-shift and the associated transition loss in perturbed index-profile single-mode optical fiber applying Fizeau interferometry," Journal of the Optical Society of America A 21 1496-1502 (2004).
[19]  F. El-Diasty, "Laser-scattering-based method for investigation ultra-low-loss arc fusion-spliced single-mode optical fibers," IEEE Journal of Lightwave Technology 22 1539-1542 (2004).
[20]  F. El-Diasty, "Simulation of CO2 laser pyrolysis during preparation of SiC nanopowders," Optics Communications 241 121-135 (2004).
[21]  F. El-Diasty, J. Uhlenbusch, N. Barakat, "Oxygen content on SiC nano-powders produced by CO2-laser induced a pyrolysis flame: measurements and modeling," in The first international conference on "Advanced Materials and their Applications" Cairo, Egypt (12-14 Dec. 2005), p. 59.
[22]  M. Abdel-Baki, F. Abdel Wahab, F. El-Diasty, "Optical characterization of xTiO2-(60-x)SiO2-40Na2O glasses: I. linear and nonlinear dispersion properties," Materials Chemistry and Physics 96 201-210 (2006).
[23]  F. El-Diasty, F. Abdel Wahab, "Method for radial profiling of the material dispersion of optical fibers due to mechanically induced optical anisotropy," Optical Engineering 45 035003/1-7 (2006).
[24]  M. Abdel-Baki, F. El-Diasty, F. A. Abdel Wahab, "Optical characterization of xTiO2-(60-x) SiO2-40Na2O glasses: II. Absorption edge, Fermi level, electronic polarizability and optical basicity," Optics Communications 261 65-70 (2006).
[25]  F. El-Diasty, M. Abdel-Baki, F. A. Abdel Wahab, H. Darwish, "Dispersion and thermal properties of lithium aluminum silicate glasses doped with Cr3+ ions," Applied Optics 45 7818-7825 (2006).
[26]  F. El-Diasty, H. El-Hennawy, M. A. Soliman, "Chromatic and opto-mechanical dispersion of some characteristic parameters of optical fiber undergoing macrobending," Optics Communications 267 394-401 (2006).
[27]  F. El-Diasty, F. A. Abdel Wahab, M. Abdel-Baki, "Optical band gap studies on lithium aluminum silicate glasses doped with Cr3+ ions," Journal of Applied Physics 100 093511-17 (2006).
[28]  M. Abdel-Baki, F. El-Diasty, "Optical properties of oxide glasses containing transition metals: case of titanium-and chromium-containing glasses," Current Opinion on Solid State and Materials Science 10 217-229 (2006).
[29]  F. El-Diasty, M. A. Soliman, A. T. Elgendy, A. Ashour, "Birefringence dispersion in uniaxial material irradiated by gamma rays: cellulose triacetate films," Journal of Optics A: Pure & Applied Optics 9 247-252 (2007).
[30]  M. Abdel-Baki, F. El-Diasty, "Linear and nonlinear refractive-index properties of silicate glasses doped with BaO: fundamental absorption edge investigation," Physics and Chemistry of Glasses 48 74-78 (2007).
[31]  M. Abdel-Baki, F. A. Abdel Wahab, A. Radi, F. El-Diasty, "Factors affecting optical dispersion in borate glass systems," Journal of Physics and Chemistry of Solids 68 1457-1470 (2007).
[32]  A. Abou Shama, M. S. Abd El Keriem, M. Abdel-Baki, F. El-Diasty, "RDF analysis, Positron Annihilation and Raman Spectroscopy of xTiO2-(60-x)SiO2-40Na2O nonlinear optical glasses: III. Non-bridging oxygen bonds tracing and structure analysis," Journal of Non-Crystalline Solids, 353 2708-2716 (2007).
[33]  F. El-Diasty, "Characterization of optical fibers by two-and multiple-beam interferometry," Optics and Laser in Engineering 46 291-305 (2008).
[34]  F. El-Diasty, M. Abdel-Baki, F. A. Abdel Wahab, "Tuned intensity-dependent refractive index n2 and two-photon absorption in oxide glasses: role of non-bridging oxygen bonds in optical nonlinearity," Optical Materials 31 (2008) 161-166.
[35]  F. El-Diasty, N. M. El-Sawy, "Optical dispersion of radiation-grafted fluoro-polymer," Applied Optics 47 1790-1796 (2008).
[36]  F. El-Diasty, A. Amichi, "Evanescent-wave in perturbed optical fibers," Optics Communications 281 4329-4333 (2008).
[37]  M. Abdel-Baki, A. M. Salem, F. A. Abdel Wahab, F. El-Diasty, "Bond character, optical properties and ionic conductivity of Li2O/B2O3/SiO2/Al2O3 glass: Effect of structural substitution of Li2O for LiCl," Journal of Non-Crystalline Solids 354 4527-4533 (2008).
[38]  F. El-Diasty, E. A. Dahshan, "Power attenuation coefficient and intermodal beat length in perturbed optical fiber: role of cladding," Journal of Optics A: Pure & Applied Optics 10 085306-10 (2008).
[39]  F. El-Diasty, H. M. El-Sayed, F. I. El-Hosiny, M. I. M. Ismail "Complex susceptibility analysis of magneto-fluids: optical band gap and surface studies on the nanomagnetite-based powders," Current Opinion on Solid State and Materials Science 13 28-34 (2009).
[40]  F. El-Diasty, M. Abdel-Baki, A. M. Bakry, "Resonant-type third-order optical nonlinearity and optical bandgap in multicomponent oxide glasses," Applied Optics 48 2444-2449 (2009).
[41]  F. El-Diasty, A. M. Bakry, "Spectroscopic and sub-bandgap optical properties of gamma-irradiated cellulose triacetate polymer," Journal of Physics D: Applied Physics 42 145413-145417 (2009).
[42]  F. El-Diasty, H. A. El-Hennawi, "Nonlinearity in bent optical fibers," Applied Optics 48 3818-3822 (2009).
[43]  F. A. Abdel Wahab, F. El-Diasty, M. Abdel-Baki, "Dispersion dependence of second-order refractive index and complex third-order optical susceptibility in oxide glasses," Physics Letters A 373 3355-3360 (2009).
[44]  F. El-Diasty, M. Abdel-Baki, "One-and two-photon absorption in transition metal oxide glasses," Journal of Applied Physics 106 053521-053524 (2009).
[45]  F. El-Diasty, M. A. Sobee, Hatem Hussein, Rania Sayed, "Frequency Stabilization of a 612 nm He-Ne laser in a Transverse Magnetic Field," MAPAN-Journal of Metrology Society of India 25 73-77 (2010).
[46]  F. El-Diasty, E. H. Ali, N. M. El-Sawy, "Optical and two-photon absorption analysis of radiation-grafted fluoro-polymer" Journal of Polymer Science B: Polymer Physics 48 2045-2051 (2010).
[47]  H. El-Ghandoor, H. El-Hennawi, F. El-Diasty, M. Soliman, "Measurement of the Fiber Central Dip Refractive Index Profile Using Laser Sheet-lens Fiber Interferometer," Journal of Materials Science and Engineering B 1 148-156 (2010).
[48]  F. El-Diasty, "Coherent anti-Stokes Raman scattering: spectroscopy and microscopy," Vibrational Spectroscopy 55 1-37 (2011).
[49]  M. Abdel-Baki, F. El-Diasty, "Role of oxygen on the optical properties of borate glass doped with ZnO," Journal of Solid State Chemistry 43 2762-2769 (2011).
[50]  F. El-Diasty, M. A. Sobee, Hatem Hussein, Rania Sayed, "Studies on frequency stabilized Zeeman 633 nm He-Ne lasers deficient in temperature steadiness," MAPAN-Journal of Metrology Society of India 26 (2011).
[51]  F. I. El-Hosiny, F. El-Diasty, H. M. El-Said, M. I. M. Ismail, "Hydration characteristics of admixed magnetite nano particles-cement pastes", 3rd International Conference on Nano-Technology in Construction (NTC 2011) Nano-Technology for Eco-Friendly and Durable Construction, 17-18 April 2011 Cairo Egypt, p. 1-7.
[52]  H. El-Hennawi, F. El-Diasty, H. El-Ghandoor, M. Soliman, "Multiple-beam interference fringes applied to investigate the index profile of the optical fiber dip," Optical and Quantum Electronics 42 (2011).
[53]  F. Abdel Wahab, A. A. Shama, M. Abdel-Baki, F. El-Diasty, "Glass transition kinetics and radial distribution function to investigate the role of Cr2O3 on the structure of Li2O-Al2O3-SiO2 photonic glass," Journal of Alloys and Compounds 512 (2011).
[54]  F. El-Diasty, "Origin of order: Emergence and evolution of biological organization as a problem in thermal physics," Advances in Life Sciences 1 (2011).