DR. GHAFOUR AMOUZAD MAHDIRAJI

Dr. Ghafour Amouzad Mahdiraji

Lecturer

BSc (Power Eng.), MEng (Comm. & Comp. Eng.), PhD (Comm. Net. Eng.)

ghafour.amouzadmahdiraji@taylors.edu.my
Subjects Taught
  • Optical Transmission Systems and Networks
  • Optical Communication & Optoelectronics
  • Communication Theory
  • Electromagnetic Theory
  • Data Communication & Networks
  • Electrical Power & Machines
  • Electronic Devices
  • Electronics and Microprocessor

Research Interests
  • Photonics and Optical Sensors
  • Optical Fiber Radiation Dosimeter
  • Microstructured Optical Fibers

Scholarly Activities/Industry Experience
  • Senior Researcher, ILRG, UM, Oct. 15 – May 16
  • Senior Lecturer, EE Dept. UM, Nov. 12 – Oct. 15
  • Visiting Research Fellow, EE Dept. UM, Nov. 11 – Oct. 12
  • Postdoctoral Research Fellow, WiPNET, UPM, Aug. 10 – Oct. 11
  • Lecturer, SoE, UCSI Univ., May 09 – Aug. 10
  • Head of Electrical Maintenance & Renovation, Behpak Industrial Com, Jun. 98 – Oct. 02
  • Consultant (Fiber Drawing for Faculty of Eng., MMU), Zecttron Sdn Bhd, Feb. 13 – Aug. 14
  • Mentor (Oil Palm Bunches Ripeness Detector), Cradle Investment Programme, Apr. 13 – Apr. 15
  • Postgraduate Thesis Examiner – 3 PhD, 3 MSc, 3 MEng
  • Postgraduate Student Supervision (Graduated) – 1 PhD, 4 MSc, 7 MEng
  • Reviewer in Journals: Opt. Lett.; IEEE Sensors J.; App. Opt. Lett.; J. Fiber & Integrated Opt., …

Publications
  • Monograph
    • G. A. Mahdiraji, A. F. Abas, and M. K. Abdullah. Duty-Cycle Division Multiplexing (DCDM): A new multiplexing technique for optical fiber communication systems. LAP LAMBERT Academic Publishing, 186 Pages, ISBN: 978-3-8433-6027-2, 2010.
  • Book Chapters
    • G. A. Mahdiraji, E. Dermosesian, M. Ghomeishi, and F. R. M. Adikan. Chapter title: Photonic Sensors: Glass Optical Fibers as Dosimeters. Book title: Reference Module in Materials Science and Materials Engineering. ISBN: 978-0-12-803581-8, 2015.
    • G. A. Mahdiraji, and A. F. Abas. Trends in Telecommunications Technologies, Chapter title: Advanced Multiplexing Techniques and Modulation Formats for Optical Communication Systems. IN-TECH, Page 1-26, ISBN: 978-953-307-072-8, 2009.
  • Invited Speaker
    • G. A. Mahdiraji, E. Dermosesian, F. R. Mahamd Adikan, D. A. Bradley, “New Optical Fiber Technology: A Complementary Material for Radiation Dosimeter Applications,” 2nd International Conference on Dosimetry and Applications (ICDA2), Surrey University, UK, 3-8 July 2016.
    • G. A. Mahdiraji, E. Dermosesian, M. Ghomeishi, F. R. Mahamd Adikan “Collapsed Optical Fibers for Higher Luminescence Generation,” 1st Annual World Congress of Smart Materials-2015 (WCSM-2015), Busan, Republic of Korea, 23-25 March 2015.
    • G. A. Mahdiraji, “Magnifying Thermoluminescence Response of Pure and Doped Optical Fibers,” 4th International Conference on Photonics (ICP2013), Melaka, Malaysia, 28-30 Oct. 2013.
    • G. A. Mahdiraji, A. F. Abas, A. Malekmohammadi, M. K. Abdullah, “Optical- and Electrical-Duty-Cycle Division Multiplexing Techniques for Optical Transmission Systems,” Topical Meeting on Photonics 2010, Serdang, Malaysia, 14-15 June 2010.
  • Journal (Selected Papers)
    • M. J. Shawon, G. A. Mahdiraji, M. M. Hasan, B. Honarvar Shakibaei, S. Y. Gang, M. Rahman Chowdhury Mahdy, F. R. M. Adikan, “Single Negative Metamaterial-Based Hollow-Core Bandgap Fiber With Multilayer Cladding”, IEEE Photonics Journal, Vol. 7, No. 6, pp. 1-12, Dec. 2015. [doi: 10.1109/JPHOT.2015.2496399.] Q1
    • M. Ghomeishi, G. A. Mahdiraji, F. R. Mahamd Adikan, N. M. Ung, D. A. Bradely, “Sensitive Fibre-Based Thermoluminescence Detectors for High Resolution In-Vivo Dosimetry”, Scientific Reports, Vol. 5, 13309, doi: 10.1038/srep13309, Aug. 2015. Q1
    • Alawiah, M. S. Alina, S. Bauk, H.A. Abdul-Rashid, W. Gieszczyk, M.N. Noramaliza, G. A. Mahdiraji, N. Tamchek, M.I. Zulkifli, D.A. Bradley, M. W. Marashdeh “The thermoluminescence characteristics and the glow curves of Thulium doped silica fiber exposed to 10 MV photon and 21 MeV electron radiation”, Applied Radiation and Isotopes, Vol. 98, pp. 80-86, 2015. Q1
    • Alawiah, S. Bauk, M.W. Marashdeh, M.Z.N. Nazura, H.A. Abdul-Rashid, Z. Yusoff, W. Gieszczyk, M.N. Noramaliza, F.R. Mahamd Adikan, G. A. Mahdiraji, N. Tamchek, S.Z. Muhd-Yassin, K.A. Mat-Sharif, M.I. Zulkifli, N. Omar, W.S. Wan Abdullah, D.A. Bradley, “The thermoluminescence glow curve and the deconvoluted glow peak characteristics of erbium doped silica fiber exposed to 70–130 kVp x-rays”, Applied Radiation and Isotope, Vol. 104, pp. 197-202, Oct. 2015. Q1
    • Z. Kakaie, B. H. Shakibaei, D. M. Chow, S. Y. Meng, G. A. Mahdiraji, F. R. M. Adikan, “Design of single-band bandpass filter using photonic bandgap fiber by suppressing core modes in higher order bandgaps”, IEEE Photonics Journal, Accepted on 29th May 2015. Q1
    • Rifat, G. A. Mahdiraji, Y. M. Sua, Y. G. Shee, Rajib Ahmed, Desmond M. Chow,F. R. Mahamd Adikan, “Surface Plasmon Resonance Photonic Crystal Fiber Biosensor: A Practical Sensing Approach,” IEEE Photonics Technology Letters, In Press, Accepted in May 2015. Q1
    • Rifat, G. A. Mahdiraji, Desmond M. Chow, Y. G. Shee, Rajib Ahmed, F. R. M. Adikan, “Photonic Crystal Fiber based Surface Plasmon Resonance Sensor with Selective Analyte Channels and Graphene-Silver Deposited Core,” Sensors, Vol. 14, pp. 11499-11510, May 2015. Q1
    • A.K.M. Mizanur Rahman, H.T. Zubair, Mahfuza Begum, H.A. Abdul-Rashid, Z. Yusoff, N.M. Ung, K.A. Mat-Sharif, W.S. Wan Abdullah, G. A. Mahdiraji, Y.M. Amin, M.J. Maah, D.A. Bradley, “Germanium-doped optical fiber for real-time radiation dosimetry,” Radiation Physics and Chemistry, Available on line, 5 May 2015. [DOI:10.1016/j.radphyschem.2015.04.018] Q1
    • G. A. Mahdiraji, E. Dermosesian, M. Safari, F. R. Mahamd Adikan, D. A. Bradley, “Collapsed-hole Ge-doped Photonic Crystal Fiber as a Diagnostic Radiation Dosimeter,” IEEE J. Lightwave Technology, Vol. PP, No. 99, pp. 1-7, March 2015. Q1
    • S. F. Abdul Sani, G. A. Mahdiraji, A. S. Siti Shafiqah, G. W. Grime, V. Palitsin, S. J. Hinder, et al., “XPS and PIXE analysis of Doped Silica Fibre for Radiation Dosimetry,” IEEE J. Lightwave Technology, Vol. 33, No. 11, pp. 2268-2278, June 2015. [DOI: 10.1109/JLT.2015.2406394] Q1
    • Alawiah, S. Bauk, M.W. Marashdeh, K.S. Ng, H.A. Abdul-Rashid, Z. Yusoff, W. Gieszczyk, M.N. Noramaliza, G. A. Mahdiraji, N. Tamchek, et al., "Thermoluminescence glow curves and deconvoluted glow peaks of Ge doped flat fibers at ultra-High doses of electron radiation", Radiation Physics and Chemistry, Vol. 113, pp. 53-58, August 2015. [DOI: 10.1016/j.radphyschem.2015.04.030] Q1
    • N.N.H. Ramli, H. Salleh, G. A. Mahdiraji, M.I. Zulkifli, S. Hashim, D.A. Bradley, N. M. Noor, “Characterisation of amorphous thermoluminescence dosimeters for patient dose measurement in x-ray diagnostic procedures,” Radiation Physics and Chemistry, Vol. 116, pp. 130-134, Nov. 2015. [DOI:10.1016/j.radphyschem.2015.01.016] Q1
    • G. A. Mahdiraji, F.R. Mahamd Adikan, D.A. Bradley, 'Collapsed Optical Fiber: A Novel Method for Improving Thermoluminescence Response of Optical Fiber', Journal of Luminescence, Vol. 161, pp. 442-447, 2015. Q1
    • E. Dermosesian, G. A. Mahdiraji, F. R. Mahamd Adikan, D. A. Bradley, “Improving thermoluminescence response through the fabriation of novel microstructured fibers,” Radiation Physics and Chemistry, In Press, Available on line, pp. 1-3, January 2015. [DOI:10.1016/j.radphyschem.2015.01.004] Q1
    • G. A. Mahdiraji, M. Ghomeishi, E. Dermosesian, S. Hashim, N. M. Ung, F. R. Mahamd Adikan, D. A. Bradley, ”Optical fiber based dosimeter sensor: Beyond TLD-100 limits,” Sensor and Actuators A: Physical, Vol. 222, pp. 48-57, 2015. Q2
    • D. A. Bradley, G. A. Mahdiraji, M. Ghomeishi, E. Dermosesian, F. R. M. Adikan, H. A. A. Rashid, M. J. Maah, “Enhancing the radiation dose detection sensitivity of optical fibers,” Applied Radiation and Isotopes, Vol. 100, pp. 43-49, 2015. Q1
    • Z. Said, M. H. Sajid, R. Saidur, G. A. Mahdiraji & N. A. Rahim, “Evaluating the Optical Properties of TiO2 Nanofluid for a Direct Absorption Solar Collector,” Numerical Heat Transfer, Part A, vol. 67, pp, 1010-1027, 2015. [DOI: 10.1080/10407782.2014.955344] Q1
    • S.F. Abdul Sani, G.W. Grime, V. Palitsin, G. A. Mahdiraji, H.A Abdul Rashid, M.J. Maah and D.A. Bradley, “Micro-PIXE analysis of doped SiO2 fibres intended as TL dosimeters for radiation measurements,” X-Ray Spectrometry, Vol. 44, No. 2, pp. 33-40, March/April 2015. Q3
    • Alawiah, S. Bauk, H.A. Abdul-Rashid, W. Gieszczyk, S. Hashim, G. A. Mahdiraji, N. Tamchek, D.A. Bradley, "Potential application of pure silica optical flat fibers for radiation therapy dosimetry", Radiation Physics and Chemistry, Vol. 106, pp. 73-76, January 2015. Q1
    • Ghiyamat, H.Z.M. Shafri, G. A. Mahdiraji, H, R. Ashurov, A.R.M. Shariff, and S. Mansor, "Airborne hyperspectral discrimination of tree species with different ages using discrete wavelet transform", International Journal of Remote Sensing, Vol. 36, No. 1, pp. 318-342, 2015. Q2
    • S. Hashim, S.S. Che Omar, S. A. Ibrahim, W. M. S. Wan Hassan, N.M. Ung, G. A. Mahdiraji, D.A. Bradley and K. Alzimami. Thermoluminescence response of flat optical fiber subjected to 9 MeV electron irradiations. Radiation Physics and Chemistry. Vol. 106, pp. 46-49, 2015. Q1
    • H. K. Hisham, A. F. Abas, G. A. Mahdiraji, M. A. Mahdi, F. R. M. Adikan, ”Optimizing the external optical cavity parameters for performance improvement of a fiber grating Fabry-Perot laser”, Optical Review, pp. 1-11, 4 March 2015. [DOI 10.1007/s10043-015-0064-y] Q4
    • F. Khosravi, G. A. Mahdiraji, M. Mokhtar,M. A. Mahdi, A. Malekmohammadi, "Improvement of three-level code division multiplexing via dispersion mapping", Telecommunication Systems, Vol. 59, No. 2, pp. 1-9, 2015. [DOI:10.1007/s11235-015-0044-3]
    • G. A. Mahdiraji, F. Amirkhan, D. M. Chow, Z. Kakaie, P. Soo Yong, K. D. Dambul, and F. R. Mahamd Adikan, "Multicore Flat Fiber: A New Fabrication Technique", IEEE Photonics Technology Letters, Vol. 26, No. 19, pp. 1972-74, 2014. Q1
    • Gabriel K. W. Gan, Y. G. Shee, K. S. Yeo, G. A. Mahdiraji, F. R. Mahamd Adikan, M. A. Mahdi, “Brillouin slow light: Substantial optical delay in the second order Brillouin gain spectrum”, Optics Letters, 39(17), pp. 5118-5121, 2014. Q1
    • Siti F. Abdul Sani, Amani I. Alalawi, Hairul Azhar A. R, G. A. Mahdiraji, Nizam Tamchek, A. Nisbet, M. J. Maah, D. A. Bradley, “High sensitivity flat SiO2 fibres for medical dosimetry. Radiation Physics and Chemistry, Vol. 104, pp. 134-138, 2014. Q1
    • D. A. Bradley, Siti F. Abdul Sani, Amani I. Alalawi, S.M. Jafari, Noramaliza M. Noor, A.R. Hairul Azhar, G. A. Mahdiraji, Nizam Tamchek, S. Ghosh , M.C. Paul, Khalid S. Alzimami, A. Nisbet, M.J. Maah, (2014). Development of tailor-made silica fibres for TL dosimetry. Radiation Physics and Chemistry, Vol. 104, pp. 3-9, 2014. Q1
    • G. A. Mahdiraji, Desmond M. Chow, S. R. Sandoghchi, F. Amirkhan, E. Dermosesian, Y. K. Shien, Z. Kakaie, M. Ghomeishi, P. S. Yong, Y. G. Shee, F. R. M. Adikan, (2014). Challenges and Solutions in Fabrication of Silica- Based Photonic Crystal Fibers: An Experimental Study, Fiber and Integrated Optics. Vol. 33, pp. 85-104. Q4
    • H. K. Hisham, G. A. Mahdiraji, A. F. Abas, M. A. Mahdi, and F. R. M. Adikan. Frequency Modulation Response due to the Intensity Modulation of a Fiber Grating Fabry-Perot Lasers. Journal of Modern Optics, Vol. 61, No. 3, 2014. Q3
    • S. Seyedzadeh, G. A. Mahdiraji, R. K. Zakiah Sahbudin, A. F. Abas, S. B. Ahmad Anas, "Experimental demonstration of variable weight SAC-OCDMA system for QoS differentiation", Optical Fiber Technology, July 2014 (DOI: 10.1016/j.yofte.2014.05.013). Q2
    • S. Seyedzadeh, G. A. Mahdiraji, A. F. Abas. Performance Analysis of Duty-Cycle Division Multiplexing (DCDM) Over WDM System. Fiber and Integrated Optics, Accepted for publication on 6th Nov. 2013. Q4
    • F. Khosravi, G. A. Mahdiraji, M. Mokhtar, A. F. Abas, M. A. Mahdi, "Improving the performance of three level code division multiplexing using the optimization of signal level spacing", Optik, 2014. (ISI/SCOPUS Cited Publication). Q4
    • Ghiyamat, H.Z.M. Shafri, G. A. Mahdiraji, R. Ashurov, A.R.M. Shariff, S. Mansor 'The Impact of Discrete Wavelet Transform on Discriminating Airborne Hyperspectral Tropical Rain Forest Tree Species', Journal of Applied Remote Sensing. Accepted for publication 2014. (Joint Research) (ISI/SCOPUS Cited Publication). Q3
    • S. Hashim, S. A. Ibrahim, S.S. Che Omar, M.I. Saripan, N.M. Noor, N.M. Ung, G. A. Mahdiraji, D.A. Bradley and K. Alzimami. Photon irradiation response of photonic crystal fibers and flat fibers at radiation therapy doses. Applied Radiation and Isotopes. Vol. 90, pp. 258-60, 2014. Q1
    • H. K. Hisham, G. A. Mahdiraji, A. F. Abas, M. A. Mahdi, F. R. Mahamd Adikan, "Linewidth Optimization in Fiber Grating Fabry-Perot Laser," Optical Engineering, Vol. 53, No. 2, Feb 2014. Q3
    • Ghiyamat, H.Z.M. Shafri, G. A. Mahdiraji, A.R.M. Shariff, S. Mansor, “Hyperspectral discrimination of tree species with different classifications using single- and multiple-endmember,” International Journal of Applied Earth Observation and Geoinformation, Vol. 23, No. 1 , pp. 177-191, 2013. (Joint Research) Q1
    • H. K. Hisham, A. F. Abas, G. A. Mahdiraji, M. A. Mahdi, A. S. Muhammad Noor, and F. R. Mahamd Adikan “Characterization of Turn-On Time Delay in a Fiber Grating Fabry-Perot Lasers,” IEEE Photonics Journal, Reference No.: PJ-001185-2012.R1, Accepted for Publication on 16 August 2012. Q1
    • G. A. Mahdiraji and A. F. Abas, “Self-phase modulation effect on performance of 40 Gbit/s optical duty-cycle division multiplexing technique,” Journal of Optical Communications, Vol. 33, 2012, DOI 10.1515/joc-2012-0003. (Non-ISI).
    • H. K. Hisham, A. F. Abas, G. A. Mahdiraji, M. A. Mahdi, and A. S. Muhammad Noor, “Characterization of small-signal intensity modulation of single-mode fiber grating Fabry-Perot laser source,” Optical Review, Vol. 19, No. 2, pp. 64-70, 2012. Q4
    • H. K. Hisham, A. F. Abas, G. A. Mahdiraji, M. A. Mahdi, and A. S. Muhammad Noor, “Comment on: "Theoretical calculation of turn-on delay time of VCSEL and effect of carriers recombination" [Opt. & Laser Technol. 39 (2007) 997-1001],” Optics and Laser Technology, Ref. No.: JOLT-D-11-00696. Q2
    • H. K. Hisham, A. F. Abas, G. A. Mahdiraji, M. A. Mahdi, and A. S. Muhammad Noor, “Relative Intensity Noise Reduction by Optimizing Fiber Grating Fabry-Perot Laser Parameters,” IEEE Journal of Quantum Electronics, Vol. 48, No. 3, pp. 385-393, 2012. Q1
    • G. A. Mahdiraji, and A. F. Abas, “Improving the performance of electrical duty-cycle division multiplexing with optimum signal level spacing,” Optics Communications, Vol. 285, No. 7, pp. 1819-1824, 2012. Q2
  • Conference (Selected Papers)
    • G. A. Mahdiraji, F. Amirkhan, K. D. Dambul, P. S. Yong, K. S. Yeo, F. R. M. Adikan, “Low-crosstalk semi-trench-assisted multicore flat fiber,” Optical Fiber Communication Conference and Exhibition (OFC), Los Angeles, CA, USA, 22-26 March 2015.
    • S. Seyedzadeh, G. A. Mahdiraji, S. Y. Gang, F. R. M. Adikan, M. H. Kakaee, “A novel asynchronous hybrid duty-cycle division multiplexing/optical code division multiple access system,” 7th International Symposium on Telecommunications (IST2014), Tehran, Iran, 1578-IST, 9-11 Sept 2014.
    • Z. Kakaie, Desmond M. Chow, F. Amirkhan, G. A. Mahdiraji and F. R. M. Adikan, 'Design of Near Infrared Bandpass Filter using All-Solid Photonic Crystal Fiber with Parasitic Bandgaps Suppression', 5th International Conference on Photonics 2014 (ICP2014), Kuala Lumpur, 2-4 September 2014.
    • S. Seyedzadeh, G. A. Mahdiraji, Y. G. Shee and F. R. M. Adikan, 'A New Signal Combination for 3-Channel Duty- Cycle Division Multiplexing Technique',5th International Conference on Photonics 2014 (ICP2014), Kuala Lumpur, 2-4 September 2014.
    • F. Amirkhan, D. M. Chow, G. A. Mahdiraji, Y. G. Shee, S. Zakariyah, and F. R. M. Adikan. Acetylene Gas Sensing Using In-house Fabricated Solid-core Photonic Crystal Fiber with Large Air-holes. in 7th International Conference on Material for Advanced Technologies in Specialty Optical Fibers and Applications (ICMAT2013), MRS Singapore, 2013.
    • Ghomeishi, M., G. A. Mahdiraji, Adikan, F.R.M., Hashim, S. The thermoluminescence response of undoped silica PCF for dosimetry application. The 10th Conference on Lasers and Electro-Optics Pacific Rim(CLEO-PR 2013) & The 18th OptoElectronics and Communications Conference (OECC 2013)/ Photonics in Switching 2013 (PS 2013), ThF2-2, 30th June – 4th July 2013. 10.1109/CLEOPR.2013.6600334.
    • Siti Abdul Sani, Fatma Issaa, Amani Alalawi, Hairul Abdul Rashid, Ghafour Amauzad Mahdiraji, Nizam Tamchek, Andrew Nisbet, David Bradley. High Sensitivity Flat SiO2 Fibres for Medical Dosimetry. Presented in 1st International Conference on Dosimetry and its Applications, Prague, Czech Republic, 23-28 June 2013.
    • Alawiah Ariffin, Hairul Azhar Abdul Rashid, Faisal Rafiq Mahamd Adikan, Ghafour Amauzad Mahdiraji, Nizam Tamchek, Noramaliza Mohd Noor, Sabar Bauk, Nadzrah M.S.S.N. The thermoluminescence glow curve properties of pure and doped flat silica fiber as radiation dosimeter. Presented in 1st International Conference on Dosimetry and its Applications, Prague, Czech Republic, 23-28 June 2013.
    • A Alawiah, AM Intan, S Bauk, HA Abdul-Rashid, Z Yusoff, MR Mokhtar, WS Wan Abdullah, KA Mat Sharif, G. A. Mahdiraji, FR Mahamd Adikan. Thermoluminescence characteristics of flat optical fiber in radiation dosimetry under different electron irradiation conditions. Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, 87750S, Prague, Czech Republic, (May 3, 2013); doi: 10.1117/12.2017209; http://dx.doi.org/10.1117/12.2017209.
    • Salasiah M, A. J Nordin, Fathinul Fikri A.S, Hishar H, N.Tamchek, Taiman K, Ahmad Bazlie A.K, H. A. Abdul-Rashid, G. A. Mahdiraji, Mizanur R, Noramaliza M. Noor. Radiation dose to radiosensitive organs in PET/CT myocardial perfusion examination using versatile optical fibre. SPIE 8775, Micro-structured and Specialty Optical Fibres II, Prague, Czech Republic, 87750U (May 3, 2013); doi:10.1117/12.2017113.
    • Hisham, H.K., Abas, A.F., G. A. Mahdiraji, Mahdi, M.A., Mahamd Adikan, F.R., “Effect of temperature and external optical feedback on intensity and phase noise characteristics in single-mode fiber grating Fabry-Perot laser,” 3rd International Conference on Photonics (ICP), Penang, Malaysia, pp. 370-376, 10.1109/ICP.2012.6379846, 1-3 Oct. 2012.
    • K. D. Dambuli, G. A. Mahdiraji, F. Amirkhan, Desmond M. Chow, Gabriel K.W. Gan, W.R. Wong, M.R. Abu Hassan, Sarahah Ismaie, S.A. Ibrahimi, N. Tamchek and F.R. Mahamd Adikan, ”Fabrication and Development of Flat Fibers,” Photonics Global Conference (PGC), Singapore, pp. 1-3, 10.1109/PGC.2012.6458091, 13-16 Dec. 2012.

Patents
  • Patent – F. Amirkhan, G. A. Mahdiraji, P. S. Yong, Z. Kakaie, D. C. M. Chia, F. R. M. Adikan, “A method of manufacturing multicore optical fiber” Malaysia, No. PI2015703681, October 2015.
  • Patent – G. A. Mahdiraji, E. Dermosesian, and F. R. M. Adikan, “Multilayer core optical fiber as high sensitive radiation dosimeter for low dose applications” Malaysia, No. PI 2015702250, July 2015.
  • Patent – G. A. Mahdiraji and F. R. M. Adikan, “Optical Fiber for Highly Sensitive Dosimeter” Malaysia, No. PI2013003336, September 2013; and International protection file No PCT/MY2014/000238, March 2015.
  • Patent – A. F. Abas, G. A. Mahdiraji, N. H. Ibrahim, “A Duty Cycle Division Multiplexing with Amplitude Distribution Controller Transmitter,” Malaysia, No. PI 2011000019, January 2011.
  • Patent – A. F. Abas, G. A. Mahdiraji, A. Malekmohammadi, M. K. Abdullah, M. Mokhtar, R. S. A. Raja Abdullah, “A New Multiplexer, Demultiplexer and Data Recovery Rules for Duty Cycle Division Multiplexing Technique for Optical Communication System,” Malaysia, No. PI 2009 5256, Dec. 2009.
  • Patent – M. K. Abdullah, A. Malekmohammadi, G. A. Mahdiraji, A. F. Abas, “Demultiplexing and Data Recovery Rules for Absolute Polar Duty Cycle Division Multiplexing,” Malaysia, PI 20093633, Sept. 2009.
  • Patent – A. F. Abas, A. Malekmohammadi, G. A. Mahdiraji, M. K. Abdullah, M. Mokhtar, M. F. A. Rasid, “Absolute Polar Duty Cycle Division Multiplexing for Optical Communication,” Malaysia, PI2009 5257, Dec. 2009.
  • Patent – M. K. Abdullah, A. F. Abas, M. F. Abdalla, and G. A. Mahdiraji, “RZ Duty Cycle Multiplexing,” Malaysia, PI 2007 1120, 2007.

Awards & Honours
  • Teaching Excellence Award – From Dean of Faculty of Engineering University of Malaya, Sem I 2014/2015.
  • Teaching Excellence Award – From Head of Department, University of Malaya, Sem II 2013/2014.
  • Teaching Excellence Award – From Head of Department, University of Malaya, Sem I 2013/2014.
  • Gold Medal – G. A. Mahdiraji, F. Amirkhan, D. M. Chow, Z. Kakaie, et al., “Multicore Flat Fiber,” 5th Exposition on Islamic Innovation 2014 (i-Inova2014), Nilai, Malaysia, 28-30th November 2014.
  • ASM Innovation Award (RM 3,000) – G. A. Mahdiraji, F. Amirkhan, D. M. Chow, Z. Kakaie, et al., “Multicore Flat Fiber,” 5th Exposition on Islamic Innovation 2014 (i-Inova2014), Nilai, Malaysia, 28-30th November 2014.
  • ASM Innovation (RM 500) – G. A. Mahdiraji, F. Amirkhan, D. M. Chow, Z. Kakaie, et al., “Multicore Flat Fiber,” 5th Exposition on Islamic Innovation 2014 (i-Inova2014), Nilai, Malaysia, 28-30th November 2014.
  • Gold Medal – G. A. Mahdiraji, F. R. M. Adikan, Dato’ M. Jamil Maah, D. A. Bradley, et al., “Accurate Radiation Capturing Glass”, Invention & Innovation Awards 2014, Malaysia Tecknology Expo 2014, 20-22 Feb 2014, Kuala Lumpur.
  • Silver Medal – G. A. Mahdiraji, F. R. M. Adikan, E. Dermosesian, and M. Ghomeishi, “Optical Fiber Based High Sensitive Dosimeter” 4th Exposition on Islamic Innovation 2013 (i-Inova2013), Nilai, Malaysia, 25-27 October 2013.
  • Gold Medal – G. A. Mahdiraji and A. F. Abas, “Level Space Optimization for Duty Cycle Division Multiplexing” Exhibition of Invention, Research and Innovation (PRPI), 2011.
  • Gold Medal – A. F. Abas, G. A. Mahdiraji, A. Malekmohammadi, S. M. Basir, N. H. Ibrahim, M. K. Abdullah, and M. Mokhtar, “Duty Cycle Division Multiplexing: Increasing the Optical Fiber Capacity Utilization,” The World Exhibition on Innovation, Research and New Technologies – The Belgium and International Trade Fair for Technological Innovation, Brussels, Belgium, 19-21 November 2009.
  • Silver Medal – A. F. Abas, G. A. Mahdiraji, M. K. Abdullah, A. Malekmohammadi, A. M. Basir, and M. Mokhtar, “Duty Cycle Division Multiplexing: A Cost Effective Multiplexing Technique,” Malaysia Technology Expo (MTE), 2009.
  • Bronze Medal – A. F. Abas, A. Malekmohammadi, G. A. Mahdiraji, S. M. Basir, M. K. Abdullah, M. Mokhtar and M. F. A. Rasid, “Absolute Polar Duty Cycle Division Multiplexing (APDCDM),” Exhibition of Invention, Research and Innovation (PRPI), 28-30 July 2009.
  • Silver Medal – A. F. Abas, M. K. Abdullah, G. A. Mahdiraji, M. F. Abdalla, M. Mokhtar, A. Malekmohammadi, and E. Zahedi, “Duty Cycle Division Multiplexing (DCDM),” Exhibition of Invention, Research and Innovation (PRPI), 2007.
  • Best paper–The best 15th papers accepted in the ICED2008, based on the paper: G. A. Mahdiraji, A. M. Mohammadi, A. F. Abas, M. K. Abdullah, and M. Mokhtar, “A Novel Economical Duty Cycle Division Multiplexing with Electrical Multiplexer and Demultiplexer for Optical Communication Systems,” in International Conference on Electronic Design (ICED) Penang, Malaysia, 2008.
  • Best and Active Iranian Student in Malaysia–Given by the 1st Scientific Iranian Student Conference In Malaysia, 2011.

Professional Affiliations
  • Member IEEE, since 2004
  • Member OSA, since 2010

Others
  • Research Grants
    • BKP-IPPP-UM, Filtering Effect Reduction of Duty-Cycle Division Multiplexing Technique Using Optimum Waveform, PI, 2012-2013, Completed
    • Science Fund-MOSTI, Experimental Development of Duty-Cycle Division Multiplexing with Economic Transmitter and Receiver for High-Speed Optical Telecommunications, PI, 2012-2015, Completed
    • HIR-UM-MOHE, Doped Silica Optical Fiber as Thermoluminescence Radiation Dosimeters, Member, 2012-2016, On going
    • HIR-UM-MOHE, Integrated Photonics for Biosensors, Member, 2011 – 2016, On going
    • FRGS, Establishing the dosimetric characteristics of mailed fabricated Ge-doped fiber for use in measuring beam output under non-reference conditions, Member, 2013 – 2015, Completed
    • PRGS, Optical fiber radiation dosimeter system, Member, 2014 – 2016, On going
    • UMRG-UM, An in-vivo optical fiber radiation dosimetry system for the intrabeam system in breast cancer patients undergoing breast conserving surgery intraoperative radiotheraphy, Member, 2015 – 2017, On going