Ashraf Fathy El-Sherif

Biography

Professor of Laser Photonics and Modern Optics. His field of research interests are the design of new types of laser sources operating at NIR and MIR bands like diode pumped high-power solid-state laser (DPSS), and diode pumped high power fiber lasers (DPFL) and their military applications as well as lasers in electrical & communication systems, medicine, optical imaging, hyper-spectral Imaging, laser induced photoemission, photo-thermal and photo-acoustic diagnosis of human diseases. Experiences: Professor Doctor Ashraf has achieved his PhD degree in laser photonics and modern optics, from Laser Photonics Research Group, University of Manchester, UK, in 2003. He has achieved an “Associate Professor” title in High power laser technology and their applications in October 2009, and he was a lecturer and faculty member within Engineering Physics Department, Military Technical College (MTC), Cairo, Egypt up to 2018. He was a Visiting Professor in Townes Laser Institute, CREOL College of Optics and Photonics, University of Central Florida, Orlando, USA, from September 2012 to April 2013 in the field of Mega-Watt High Power Fiber Laser and its applications in Material Processing and Laser Remote Sensing. He has achieved a “Professor Doctor” title in High Power Laser Photonics and its Applications in February 2015. He was the Head of the Laser Technology Center as well as the Chairman of Engineering Physics Department Scientific Council, MTC, Cairo Egypt until 2016. He was the Head of Research Branch Affairs, MTC, Cairo, Egypt until 2018. He was affiliated as a Dean of the Egyptian Naval College, Alexandria, Egypt until December 2020, and worked as the Head of Naval Research Division, Egyptian Naval Forces, Alexandria, Egypt up to December 2021. He was Chancellor of the President of May University in Cairo (MUC) for enhancing the Academic and Research program until June 2022. Head of Electrical Power and Machines Department, and Professor Doctor within Electronic & Communication Department, Misr University for Science and Technology (MUST) since 1st September 2022 up to August 2023. Head of Basic Science Department, Professor of Laser Photonics and Modern Optics, Faculty of Engineering, Ahram Canadian University (ACU), 6th October, Giza, Egypt since October 2023 up to Date. Skills: During professional scientific and administrative life as a member of highly disciplined teamwork, that respects our commitments and ethics. We have acquired a lot of fine skills, in solving critical administrative problems in a short time under severe pressure in high secrecy, as well as strategic planning skills that respect legal responsibility. Our creative skills and valuable expertise in weaponry systems design, photonics, electron instrumentation, laser system integration, electrical and biomedical engineering systems and critical operation planning and training enabled my innovative leadership in the field of academic and research management.

Education

Sept. 2012 to April 2013 (Post-Doctoral) in Physics “Development of Mega-Watt High Power Fiber Laser and its applications in Biomedical Engineering & Material Processing and LIDAR in Remote Sensing”, Townes Laser Institute, CREOL College of Optics and Photonics, University of Central Florida, Orlando, USA. 2000 - 2003. (Ph.D.) degree in Physics “Laser Photonics & Modern Optics in Biomedical Engineering Applications” from the Laser Photonics Research Group, Faculty of Engineering, Physics and Astronomy School, “Pulsed Optical Fiber lasers: Self-Pulsation, Q-Switching, Computer Modeling and Laser Tissue Interactions.”, University of Manchester, Manchester, United Kingdom. 1994 –1998 (M.Sc.) degree in Physics with honors, from Electrical Engineering & Physics Department, “Coding & Decoding and Multiplexing of Information and Optical Images by Using Laser Speckles and Holographic Techniques.”, Military Technical College (MTC), Cairo, Egypt. 1987 –1992 (B.Sc.) degree in Electrical Engineering, from Electrical Power and Energy Department, (excellent with honors), Military Technical College (MTC), Cairo, Egypt.

Department

PUBLICATIONS

1. M. A. Mohamed, A. M. Badr, H. A. Elshaikh, H. S. Ayoub, Ashraf F. El-Sherif, Y. H. Elbashar, “Dielectric properties of Co3O4-containing copper phosphate glass,” Journal of Optics, June 2023. 2. Emara, K., Ayoub, H.S., Ashraf F. El-Sherif, Ali, M.I.H., “Waste tires pyrolysis oil and its blend with diesel fuel spectral flame analysis, temperature contours, and emissions,” Energy Reports, 8, 1550–1564, 2022. 3. Ayoub, H.S., Ashraf F. El-Sherif, Elbeih, A., “Hyperspectral imaging and remote trace detection of cis-1,3,4,6-tetranitrooctahydroimidazo-[4,5 d] imidazole (BCHMX) compared with traditional explosives using laser induced fluorescence,” Defense Technology, 17(5), pp. 1609–1616, 2021. 4. Ayoub, H.S., Ashraf F. El-Sherif, Ibrahim, D., Maize, S.M.A., Elbashar, Y.H., “Generation of Custom Acoustic Harmonic Bursts from Spherical Helmholtz Resonators Using Q-Switched Nd:YAG Laser Induced Plasma,” Optical and Quantum Electronics, 53(9), 525, 2021. 5. Abdel-Aal, S.K., Kandeel, M.F., Ashraf F. El-Sherif, Abdel-Rahman, A.S, “Synthesis, Characterization, and Optical Properties of New Organic–Inorganic Hybrid Perovskites [(NH3)2(CH2)3]CuCl4 and [(NH3)2(CH2)4]CuCl2Br2,” Physica Status Solidi (A) Applications and Materials Science, 218(12), 2100036, 2021. 6. Ayoub, H. S., Ashraf F. El-Sherif, Maize, S. M. A., Elbashar, Y. H., “Design and Implementation of Photoacoustic Based Beam Dump-Average Optical Power Meter for Fast and Ultrafast Lasers,” Optics and Lasers in Engineering, 140, 106548, 2021. 7. Darwiesh, M., Ayoub, H.S., Ashraf F. El-Sherif, Elbashar, Y.H., “Airborne Hyperspectral Detection of Underwater Camouflaged Targets and the Effect of Target Shape and Seafloor on Image Quality,” Journal of Optics (India), 50(1), 7–27, 2021. 8. Ayoub, H.S., Mokhtar, A.M., Ashraf F. El-Sherif, Elbashar, Y.H., “Modified Range Equation for Exact Modeling and Design Optimization of Active Laser Remote Sensing Systems,” Optical and Quantum Electronics, 53(2), 110, 2021. 9. Mahfouz, A., Moneib, H.A., El-fatih, A., Ayoub, H.S., Ashraf F. El-Sherif, Emara, A., “Comparative Study Among Waste Cooking Oil Blends Flame Spectroscopy as an Alternative Fuel Through using an Industrial Burner,” Renewable Energy, 159, 893–907, 2020. 10. Mahfouz, A., Emara, A., Ayoub, H.S., Ashraf F. El-Sherif, Fatih, A.E., Elbashar, Y.H., “Thermoluminescence Spectroscopic Analysis of Fuel Mixed Cooking Oil Using Hyperspectral Analysis,” Journal of Optics (India), 49(3), 370–383, 2020. 11. Darwish, M., Ashraf F. El-Sherif, Hassan, M.F., Ayoub, H.S., Elbashar, Y.H., “Simulation and Characterization of Underwater Target Detection Using LIDAR System,” Journal of Optics (India), 49(3), 416–426, 2020. 12. Ayoub, H.S., Hussein, W.M., Ashraf F. El-Sherif, Elbashar, Y.H., “Design and Test of High-Efficiency Dual-Element Laser Diffuser for Large-Field Automotive Shadowgraphy,” Journal of Optics (India), 49(2), 263–269, 2020. 13. Ayoub, H.S., Ashraf F. El-Sherif, Elbashar, Y.H., “Simple Laser Beam Line Shaping Demonstration Using Clear Plastic Leds,” Annals of the University of Craiova, Physic, 30, 24–30, 2020. 14. Hany S. Ayoub, Ashraf F. El-Sherif, A. Elbeih, “Hyperspectral Imaging and Remote Trace Detection of BCHMX Compared with Traditional Explosives Using Laser Induced Fluorescence,” accepted in Journal of Optics and Laser Technology, 2019. 15. Mohamed Darwiesh, Hany S. Ayoub, Mahmoud F. Hassan, Yasser H. El-Sharkawy, Yehia H. Elbashar, “Design and implementation of underwater laser imaging test aquarium,” Journal of Optics 2019. 16. Abdel Gawad, A.L., El-Sharkawy, Y., Ayoub, H.S., Ashraf F. El-Sherif, Hassan, M.F., “Classification of dental diseases using hyperspectral imaging and laser induced fluorescence,” Photodiagnosis and Photodynamic Therapy 2019. 17. Mohamed Darwiesh, Ashraf F. El-Sherif, Hany S. Ayoub, Mahmoud F. Hassan, Yasser H. El-Sharkawy, Yehia H. Elbashar, “Hyperspectral laser imaging of underwater targets,” Journal of Optics 2018. 18. Yasser H. El-Sharkawy, Sherif Elbasuney, Ashraf F. El-Sherif, El-Tahlawy, M. K, Hany S. Ayoub, “Instantaneous identification of hazardous explosive-related materials using laser induced photoacoustic spectroscopy,” Journal of Trends in Analytical Chemistry, 2018. 19. Ahmed S. Bahgat, Ahmed H. Zaki, Mohammed Abdo M., Ashraf F. El Sherif. “Design and simulation of MEMS-actuated adjustable optical wedge for laser beam scanners," Journal of Micro/Nanolithography, MEMS, and MOEMS (JM3), 2018. 20. Ahmed Bahgat, Ahmed H. Zaki, Mohamed Abdo M., Ashraf F. El-Sherif, “Analysis and simulation of round gimbaled electrostatic torsion micromirror,” 12th IEEE International Conference on Computer Engineering and Systems (ICCES), 2018. 21. Hany Sabry Ayoub, Amr Attia, Ahmed Emara, Ashraf F. El-Sherif, Elbashar Y. H., “Ultraviolet laser shadowgraphic system for measuring ev burner flame,” Journal of Nonlinear Optics Quantum Optics, 2018. 22. Ashraf F. El-Sherif, H. S. Ayoub, Yasser H. El-Sharkawy, Walid Gomaa, H. H. Hassan, “The Design and Implementation of Photoacoustic Based Laser Warning Receiver for Harsh Environments,” Journal of Optics and Laser Technology, 2018. 23. Hany Sabry Ayoub, Ashraf F. El-Sherif, Hussam H. Hassan, Sherif S.Khairy, Elbashar Y. H.,”Dilatometry of Refractory Metals and Alloys Using Multi- Wavelength Laser Shadowgraphy of Filament Samples,” Journal of Nonlinear Optics Quantum Optics, 2018. 24. Mohamed Darwiesh , Ashraf F. El-Sherif, Hany Sabry Ayoub, Yasser H. El-Sharkawy, Hussam H. Hassan, Elbashar Y. H., “Hyperspectral laser imaging of underwater targets,” Journal of Optics, 2018 25. Ahmed El-Farash, Ashraf El-Sherbini, Osama Helal, Ashraf F. El-Sherif, “Measurement of Enhanced Emission from Titanium using Nano-enhanced Laser Induced Breakdown Spectroscopy (NELIBS), The 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 26. Amr Attia, Hany Sabry Ayoub, Ahmed Emara, Ashraf F. El-Sherif, “The Design and Implementation of Laser İgnition System for Two Slot and Four Slot EV Burners,” The 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 27. Mohamed Osama, Hany Sabry Ayoub, Ahmed Emara, Adel Hussein, Ashraf F. El-Sherif, Hany Moneib, “Acoustic Signature of Four Cutters EV Burner Using Pilot İnjector Fuel Shift,” The 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 28. Mohamed Osama, Hany Sabry Ayoub, Ahmed Emara, Adel Hussein, Ashraf F. El-Sherif, Hany Moneib, “Acoustic Signature of Two Cutters and Four Cutters EV Swirl Stabilized Gaseous Burners,” The 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 29. Amr Attia, Hany Sabry Ayoub, Ahmed Emara, Ashraf F. El-Sherif, “UV-Laser shadowgraphy of two and four slot EV burner flame,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 30. Hany S. Ayoub, M. Nazeeh, Wessam M. Hussein, Ashraf F. El-Sherif, “Equi-radial vehicular laser shadowgraphy,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 31. Mohamed Darwiesh, Hany Sabry Ayoub, Ashraf F. El-Sherif, “The design and implementation of under-water laser imaging test aquarium,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 32. Mohamed Darwiesh, Hany Sabry Ayoub, Ashraf F. El-Sherif, “Hyperspectral Laser imaging of Under-water targets,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 33. Hany Sabry Ayoub, Ashraf F. El-Sherif, Hussam H. Hassan, Sherif S. Khairy,” Synchronous Non-Doppler Laser Shadow-Vibrometry: A New Technique for Studying Vibration of Incandescent Solids,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 34. Hany Sabry Ayoub, Ashraf F. El-Sherif, Hussam H. Hassan, Sherif S.Khairy ,” Dilatometry of Refractory Metals and Alloys Using Multi- Wavelength Laser Shadowgraphy of Filament Samples,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 35. Hany Sabry Ayoub, Ashraf F. El-Sherif, Hussam H. Hassan, Sherif S.Khairy, “Young’s modulus of tungsten at elevated temperatures using synchronous laser shadow vibrometry,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 36. A. H. Al-Dardir, Hany Sabry Ayoub, Ashraf F. El-Sherif, Hussam H. Hassan, Sherif S. Khairy, “Physical characteristics of Sulfur and Peroxide Cured EPDM Rubbers under different blowing agent concentrations,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 37. Deia I. Moubarak, Hany S. Ayoub, Ashraf F. El-Sherif, H. H. Hassan, S. A. Khairy, T.Y. El-Rasasi, “Investigation Internal Friction of High Elasticity Solids using Laser Shadowgraphy,” 9th International Conference on Mathematics and Engineering Physics (ICMEP-9), 3-5 April 2018. 38. Ashraf F. El-Sherif, Mohamed M.Gadallah, Yasser H. El-Sharkawy, "Comparison of Noninvasive Photo-reflectance for Measuring Optical Properties of Hard Tissue using Multi-Laser Wavelengths," submitted in Laser in Medical Science, November 2017. 39. Ahmed L. Abdel Gawad, Yasser H. El-Sharkawy, Ashraf F. El-Sherif, “Classification of human teeth caries using custom non-invasive optical imaging system,” Journal of Laser in Dental Science, October 2017. 40. M. Nazeeh, H. S. Ayoub, Wessam M. Hussein, Ashraf F. El-Sherif, “Investigation of Driver’s FOV and related Ergonomics Using Laser Shadowgraphy from Automotive Interior,” submitted in Journal of Optics and Laser Technology, September 2017. 41. Mohsen Belal, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Enhanced Blood Laser Doppler Velocimetry using Different Materials of Seeding Particles,” Optical Interactions with Tissue and Cells XXVIII – BIOS 2017, Photonic West 2017, San Fransisco, California, USA, 28 Jan - 3 Feb 2017. 42. Sherif Elbasuney, Ashraf F. El-Sherif, “Instant Detection and Identification of Concealed Explosive-related Compounds: Induced Stokes Raman versus Infrared," Journal of Forensic Science International, 270, 83-90, January 2017. 43. Tarek A. Fathy, Mohamed M. El-Khatib, Ashraf F. El-Sherif, "Design and simulation of an intelligent laser tracking system," International Journal of Signal Processing Systems, Vol. 4, No. 4, August 2016. 44. Mohsen Belal, Yasser H. El-Sharkawy, Ashraf F. El-Sherif, "Optimization of Suitable Wavelength for Laser Doppler Velocimetry Technique Based on Fringe Model," Journal of Multidisciplinary Engineering Science and Technology, Vol. 3 Issue 8, August 2016. 45. Sherif Elbasuney, Ashraf F. El-Sherif, “Complete spectroscopic picture of concealed explosives: Laser induced Raman versus infrared," Journal of Trends in Analytical Chemistry, April 23, 2016. 46. Mohamed Gadelha, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Noninvasive Light-Reflection Technique for Measuring Optical Properties of Human Teeth,” 8th International Conference on Engineering Mathematics and Physics, ICEMP8, PH, MTC, Cairo, Egypt, April 2016. 47. Mohsen Belal, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Investigation on optical properties of human blood using different materials of seeding particles for Laser Doppler Velocimetry,” 8th International Conference on Engineering Mathematics and Physics, ICEMP8, PH, MTC, Cairo, Egypt, April 2016. 48. Aly A. Khalif, Hussein A. Aly, Ashraf F. El-Sherif, “Active Modulation of Laser Coded Systems Using Near Infrared Video Projection System Based on Digital Micromirror Device (DMD),” Emerging Digital Micromirror Device Based Systems and Applications VIII, MOEMS symposium - Photonic West Conference, San Francisco, USA, Feb. 2016. 49. Ahmed S. Bahgat, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Design and Implementation of a Deception Jamming System for Laser Receivers,” Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX, OPTO symposium - Photonic West Conference, San Francisco, USA, Feb. 2016. 50. Tarek A. Fathy, Mohamed M. El-Khatib, Ashraf F. El-Sherif, “Design and simulation of an intelligent laser tracking system,” International Conference on Electronics Engineering ICOEE2015, Las Vegas, USA, May 9-10, 2015. 51. Ashraf F. El-Sherif, Amr Harfosh, “Comparison of high-power diode pumped actively Q-switched double-clad flower shape co-doped- Er3+:Yb3+fiber laser using acousto-optic and mechanical (optical) modulators,” Journal Modern Optics, 1-12, 20 April 2015. 52. Walid Gomaa, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Underwater laser detection system,” 7th Solid State Lasers XXIV: Technology and Device, LASE Symposium, Photonic West Conference, San Francisco, USA, Feb. 2015. 53. Ashraf F. El-Sherif, Mahmoud M. Talaat, “Detection and analysis on versatile coding strategies of high frequency active Q-switched Nd:YVO4 laser for irradiance of different targets,” Journal Optics & Laser Technology, 64, 124-132, 2014. 54. Walid Gomaa, Ashraf F. El-Sherif, Yasser H. El-Sharkawy, “Target characterization and underwater blue-green laser imaging system,” 7th International Conference on Engineering Mathematics and Physics, ICEMP7, PH6, MTC, Cairo, Egypt, May 2014. 55. Ashraf F. El-Sherif, Amr Harfosh, Mahmoud F. Hassan, “Experimental Studies on High Power Diode Pumped Q-Switched Double Clad Flower Shape Yb3+ Fibre Laser,” 7th International Conference on Engineering Mathematics and Physics, ICEMP7, PH8, MTC, Cairo, Egypt, May 2014. 56. Ashraf F. El-Sherif, Mahmoud Talaat, “Detection and analysis on versatile coding strategies of high frequency active Q-switched Nd:YVO4 laser for designation of different targets,” 7th International Conference on Engineering Mathematics and Physics, ICEMP7, PH7, MTC, Cairo, Egypt, May 2014. 57. Ashraf F. El Sherif, Yasser H. El-Sharkawy, Walid Gomaa, “Diagnosis, ablation and characterization of human teeth using blue laser at 457 nm,” Lasers in Dentistry XX, SPIE BiOS, Photonic West Conference, San Fransisco, California, USA, Feb. 2014. 58. Yasser H. El-Sharkawy, Ashraf F. El-Sherif, “High-performance near-infrared imaging for breast cancer detection,” Journal of Biomedical Optics, 19(1), 0160181-7, Jan. 2014. 59. Osama Mostafa Khalil, Ilya Mingareev, Tobias Bonhoff, Ashraf F. El-Sherif, Martin C. Richardson, Mohamed Abdel Harith, “Studying the effect of zeolite inclusion in aluminum alloy on measurement of its surface hardness using laser-induced breakdown spectroscopy technique,” Journal of Optical Engineering, 53(1), 0141061-5, Jan. 2014. 60. Ilya Mingareev, Tobias Bonhoff, Ashraf F. El-Sherif, Wilhelm Meiners, Ingomar Kelbassa, Tim Biermann, Martin Richardson, “Femtosecond Laser Post-Processing of Metal Parts Produced by Laser Additive Manufacturing,” Journal of Laser Applications, 25, 5, Nov. 2013. 61. Ilya Mingareev, Tobias Bonhoff, Ashraf F. El-Sherif, Tim Biermann, Wilhelm Meiners, Ingomar Kelbassa, Martin Richardson, “Ultrafast laser-based post-processing of produced by laser additive manufacturing”, 32nd International Congress on Applications of Lasers & Electro-Optics, Miami, Florida, USA, Oct. 6-10, 2013. 62. Ilya Mingareev, Tobias Bonhoff, Nils Gehlich, Ashraf F. El-Sherif, Christian Gaida, Martin Gebhardt, Pankaj Kadwani, Lawrence Shah, Martin Richardson, “Trans-wafer processing of semiconductors with nanosecond Mid-IR laser radiation”, 32nd International Congress on Applications of Lasers & Electro-Optics, Miami, Florida, USA, Oct. 6-10, 2013. 63. Lawrence Shah, Tobias Bonhoff, Ashraf F. El-Sherif, Pankaj K. Kadwani, Martin Gebhardt, and Christian Gaida, "Backside Surface Machining of Silicon Wafers Using a Nanosecond Tm:fiber MOPA System", CLEO: Science and Innovations 2013, San Jose, California United States, 9 –14 June 2013. 64. Ashraf F. El-Sherif, Mahmoud M. Talaat, “Diode pumped high peak power quasi Q-switched and passively Q-Switched Nd:YVO4 lasers at 1064 nm and 532 nm using Cr:YAG and KTP crystals”, Optics and Photonics Journal, 3, 51-62, March 2013. 65. Mohamed Darwiesh, Ashraf F. El Sherif, “Characterization of low-cost optical imaging system based on optical holography”, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII, SPIE OPTO, Photonic West Conference, San Fransisco, California, USA, Feb. 2013. 66. Ashraf F. El-Sherif, Mahmoud M. Talaat, “High efficient, high peak power of 18 kW with 4ns pulses of diode pumped passive Q-switched and self Q-switched Nd: YVO4 laser at both 1064nm using Cr:YAG and 532 nm using KTP crystals”, Solid State Lasers XXII: Technology and Devices, SPIE LASE, Photonic West Conference, San Fransisco, California, USA, Feb. 2013. 67. Lawrence Shah, Tobias Bonhoff, Thomas Ferhat, Ashraf F. El-Sherif, Mark Ramme, Christina C.C. Willis, Matthieu Baudelet, Pankaj Kadwani, Christian Gaida, Martin Gebhardt, Ilya Mingareev, and Martin Richardson, “Silicon backside machining using a nanosecond 2 μm Tm:fiber laser”, Micromachining and Microfabrication Process Technology XVIII, SPIE LASE, Photonic West Conference, San Fransisco, California, USA, Feb. 2013. 68. Ashraf. F. El-Sherif, “Comparison between laser-induced photoemissions and phototransmission of hard tissues using fibre-coupled Nd:YAG and Er3+-doped fibre lasers”, Journal of Lasers in Medical Science, 27: 767-775, July 01, 2012. 69. Asharf F. El-Sherif, M. F. Hassan, M. K. El-Tahlawy, "Barametric Study of a Diode pumped Erbium-Ytterbium Er3+:Yb3+ Co-doped Fiber Laser proceeding of 6th International Conference on Engineering Mathematics and Physics, ICEMP6, MTC, Cairo, Egypt, May 2012. 70. Yasser H. El-Sharkawy, Ashraf F. El Sherif, “Photoacoustic diagnosis of human teeth using interferometric detection scheme”, Journal Optics & Laser Technology, 44, 1501–1506, Jan. 2012. 71. Ashraf F. El-Sherif, "Temperature effects on the operation and input, output wavelengths of a high-power fiber-coupled diode end pumped Nd:YVO4 laser", in Solid State Lasers XXI: Technology and Devices, SPIE Paper Number 8235-54, Photonic West Conference, San Fransisco, California, USA, Jan. 2012. 72. Ashraf F. El-Sherif, Khalid Hussein, Mahmoud F. Hassan, Mahmoud M. Talaat, "Experimental studies for improvement of thermal effects in a high-power fiber-coupled diode laser module operating at 808 nm," in High-Power Diode Laser Technology and Applications X SPIE Paper Number 8241-40, Photonic West Conference, San Fransisco, California, USA, Jan. 2012. 73. Ashraf F. El-Sherif, Khalid Hussein, Mahmoud F. Hassan, Mahmoud M. Talat, “Comparison between two active media Nd: YAG and Nd: YVO4 rods inside a cavity for producing a high power 808nm diode end-pumping laser system", in Solid State Lasers XXI: Technology and Devices, SPIE Paper Number 8235-55, Photonic West Conference, San Fransisco, California, USA, Jan. 2012. 74. Yasser H. El-Sharkawy, Ashraf F. El Sherif, “Human teeth model using photoacoustic frequency response,” Optical Interactions with Tissue and Cells XXXIII, SPIE Paper Number 8221-10J, Photonic West Conference, San Fransisco, California, USA, Jan. 2012. 75. Ashraf F. El-Sherif, M. F. Hassan, A. M. Mokhtar A. K. Harfoush, "Simulation and Computer Modeling of a Diode pumped Erbium-Ytterbium Er3+:Yb3+Co-doped Fiber Laser,“ 15th International Conference on Aerospace Sciences & Aviation Technology, ASAT- 13, Military Technical College, Kobry Elkobbah, Cairo, Egypt, May 2011. 76. Ashraf F. El-Sherif, Mohamed K. El-Tahlawy, “Design and performance analysis of a tunable and self-pulsation diode pumped double-clad D-shaped Yb3+- doped silica fiber laser”, Journal of Optical Engineering, pp 1-8, 50 (4), April 2011. 77. Darwish, M., Ashraf F. El-Sherif, El-Ghandour, H., Aly, H. A., Mokhtar, A. M., "Effects of the source, surface, and sensor couplings and colorimetric of laser speckle pattern on the performance of optical imaging system", in Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XVI, Photonic West Conference, Proceedings of SPIE Vol. 7920, San Francisco, California, USA, Jan. 2011. 78. Yasser H El-Sharkawy, Ashraf F. El-Sherif, "Laser ultrasound characterization of normal and decayed teeth by measuring elastic properties of surface layers", Optical Interactions with Tissue and Cells XXII, Photonic West Conference, Proceedings of SPIE Vol. 7897, San Francisco, California, USA, Jan. 2011. 79. Ashraf F. El-Sherif, Abdel Aziz, W. M., El-Sharkawy, Y. H., "Multivariate image analysis of laser-induced photothermal imaging used for detection of caries tooth" in Applications of Digital Image Processing XXXIII, Proceedings of SPIE Vol. 7798, Optics & Photonics Conference, San Diego, California, USA, Aug. 2010. 80. Ashraf F. El-Sherif, El-Tahlawy, M. K., "Design and performance analysis of a tunable and self-pulsation diode pumped double-clad D-shaped Yb3+-doped silica fiber laser" in Laser Beam Shaping XI, Proceedings of SPIE Vol. 7789, Optics & Photonics Conference, San Diego, California, USA, Aug. 2010. 81. Ashraf F. El-Sherif, M. Kh. El-Tahlawy, and M. F. Hassan, “Studying the Thermal Effects on Operation and Wavelength Stability of High Power Fiber Coupled Diode Lasers operating at 808 nm and 975 nm” in proceeding of 5th International Conference on Engineering Mathematics and Physics, ICEMP5, PH25, MTC, Cairo, Egypt, May 2010. 82. Ashraf F. El-Sherif, Tamer M. Kashif, “Theoretical and Simulation Studies on Treatment of Breast Cancer using Laser-Induced Photothermal’ in proceeding of 5th International Conference on Engineering Mathematics and Physics, ICEMP5, PH26, MTC, Cairo, Egypt, May 2010. 83. Ashraf F. El-Sherif, Tamer M. Kashif, Nour El-Din H. Ismail, Hania H. Farag, “Simulation Studies on Blood Flow, Temperature and Oxygen Transport due to Laser Irradiation of Breast Tumor Vascular” in proceeding of 5th International Conference on Engineering Mathematics and Physics, ICEMP5, PH26, MTC, Cairo, Egypt, May 2010. 84. Ashraf F. El-Sherif, Yasser. H. Elsharkawy, H. El Ghandoor, R. M. Elghwas, “Pattern Recognition for Alternative Concentrations of NaCl and Glucose Doped Solutions using Optical Coherence Tomography” in proceeding of 5th International Conference on Engineering Mathematics and Physics, ICEMP5, PH26, MTC, Cairo, Egypt, May 2010. 85. Ashraf F. El-Sherif, Mahmoud F. Hassan, Yasser H. El-Sharkawy, and M. Khairy, “Characterization of a 976 nm High Power Diode Laser Module”, proceeding of 13th International Conference on Aerospace Science & Aviation Technology, TE234, ASAT, MTC, Cairo, Egypt, May 2009. 86. Hatem El-Ghandoor, Yasser H. El-Shakawy, Ashraf F. El-Sherif, Ramy M. Elghwas, “Determination of Gloucose Concentration using Optical Coherence Tomography,” proceeding of 13th International Conference on Aerospace Science & Aviation Technology, TE110, ASAT, MTC, Cairo, Egypt, May 2009. 87. Ashraf F. El-Sherif, "Optimization of a high power fibre coupled diode end pumped Nd:YVO4 solid state laser,” in “Solid State Lasers XVIII”, LASE 2009, Photonic West Conference, Proc. of SPIE Vol. 7193, California, USA, Jan. 2009. 88. Ahmed. M. Samy, Ashraf F. El-Sherif, Ayman M. Mokhtar, Mahmoud F.Hassan, “Simulation and Analysis of a High-Power Diode-End-Pumped Nd:YVO4 Solid-State Laser”, proceeding of 4th International Conference on Engineering Mathematics and Physics, ICEMP, pp.231-241, MTC, Cairo, Egypt, May 2008. 89. Ashraf F. El-Sherif, Mahmoud F. Hassan, Ayman M. Mokhtar, Ahmed.M. Samy, “Characterization of a 808 nm High power Diode Laser module”, proceeding of 4th International Conference on Engineering Mathematics and Physics, ICEMP, pp.242-251, MTC, Cairo, Egypt, May 2008. 90. Ashraf F. El-Sherif, and Yasser El-Sharkawy,"Laser-induced photothermal technique used for detection of caries in human tooth," in Lasers in Dentistry XIV, BIOS 2008, Photonic West Conference, Proceedings of SPIE Vol. 6843, California, USA, Jan. 2008. 91. El Ghandoor, H., Ashraf F. El Sherif, Darwish, M., "Designing a new optical sensor using wide band speckle patterns" in Optical Measurement Systems for Industrial Inspection V, Optical Metrology Conference 2007, Proceedings of SPIE Vol. 6616, Germany, 2007. 92. Ashraf F. El-Sherif and Terence A. King, “Evaluation of High-Power Q-switched Tm3+ -Doped Silica Fibre Lasers Operating near 2 m,”, in Fiber Lasers III: Technology, Systems, and Applications, LASE 2006, Photonic West Conference, Proc. of SPIE vol 6102, California, USA, Jan. 2006. 93. Yasser El-Sharkawy, Yahia Badr, Mahmoud Gadallah, and Ashraf F. El-Sherif," Diagnostic of human teeth using photoacoustic response" in Laser in Dentistry, BIOS 2006, Photonic West Conference, Proc. of SPIE vol 6137, California, USA, Jan. 2006. 94. Hatem El-Ghandoor, Ashraf F. El-Sherif, and Mohamed Darwish, “Analysis and optimization of the laser speckles produced by different light sources to design a new optical sensor”, proceeding of 3rd International Conference on Mathematics and Engineering Physics Conference, ICMEP, MTC, Cairo, Egypt, May 2006. 95. Yuen H. Tsang, Ashraf F. El-Sherif, and Terence A. King, “Broadband amplified spontaneous emission fibre source near 2 microns using resonant in-band pumping,” J. Modern Optics, Vol. 52, pp 109 – 118, 2005. 96. Ashraf F. El-Sherif, “High Performance of a Mechanical Q-Switched Tm3+-doped Silica Fibre Laser operating near 2 m,” proceeding of 2nd International Conference on Mathematics and Engineering Physics, IECMP, MTC, pp. 65-97, Cairo, Egypt, May 2004. 97. Ashraf F. El-Sherif, and T. A. King, “Soft and hard tissue ablation with short pulse high peak power Q-switched and continuous wave thulium silica fibre lasers,” Journal of Lasers Medical Science, 18, 139-147, 2003. 98. Ashraf F. El-Sherif, and T. A. King, “High-peak-power operation of a Q-switched Tm3+-doped silica fibre laser operating near 2 m”, Journal of Optics Letter, 28, 22-25, 2003. 99. Ashraf F. El-Sherif, and T. A. King, “High-energy, high-brightness Q-switched Tm3+-doped fibre laser using an electro-optic modulator,” Journal of Optics Communication, 218, 337-344, 2003. 100. Ashraf F. El-Sherif, and T. A. King, “Analysis and optimisation of Q-switched operation of a Tm3+-doped silica fibre laser operating at 2 m,” IEEE Journal of Quantum Electronics, 39, 1-7, 2003. 101. Ashraf F. El-Sherif, and T. A. King, “Dynamics and self-pulsing effects in Tm3+-doped silica fibre lasers,” Journal of Optics Communication, 208, 381-389, 2002. 102. Ashraf F. El-Sherif, and T. A. King, “Simulation of Tm3+-doped silica and Er3+-doped fluorozirconate fibre lasers,” Journal of Modern Optics, 49, 1763-1776, 2002. 103. Ashraf F. El-Sherif, and El-Sayed M. Ebied, “An interferometeric technique utilizing Holographic Optical Elements (HOEs) for imaging through scattering media,” 8th International Conference on Aerospace Science & Aviation Technology, vol. 2, 1141-1149, MTC, Cairo, Egypt, 1999. 104. Ashraf F. El-Sherif, El-Sayed M. Ebied, and H. El-Ghandoor, “Signal processing using laser speckle technique,” 8th International Conference on Aerospace Science & Aviation Technology, vol. 2, 1151-1166, MTC, Cairo, Egypt, 1999.