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Journal Publications

  1. A. Iqbal, D. Wen, J. Verboncoeur, and Peng Zhang, ”Recent Advances in Multipactor Physics and Mitigation”, High Voltage, 2023 (in the press).

  2. A. Iqbal, D. Wozniak, Md Z. Rahman, S. Banerjee, J. Verboncoeur, P. Zhang, and C. Jiang,”Influence of discharge polarity on streamer breakdown criterion of ambient air in a non-uniform electric field”, J. Phys. D: Appl. Phys. 56 035204 (2022).

  3. M. Mirmozafari, A. Iqbal, P. Zhang, N. Behdad, J. H. Booske, and J. P. Verboncoeur,”Secondary Electron Yield Characterization of High Porosity Surfaces for Multipactor-Free Microwave Components”, Phys. Plasmas 29, 082109 (2022).

  4. A. Iqbal, J. Verboncoeur, and Peng Zhang, ”Two surface multipactor discharge with two-frequency rf fields and space-charge effects”, Phys. Plasmas 29, 012102 (2022).

  5. A. Iqbal, P. Wong, D. Wen, J. Verboncoeur, and Peng Zhang, ”A Review of Recent Studies on Two-Frequency RF Field-Induced Single-Surface Multipactor Discharge”, IEEE Trans. Plasma Sci. 49, 3284 (2021). [Invited Paper]

  6. A. Iqbal, P. Y. Wong, D. -Q. Wen, Shu Lin, J. P. Verboncoeur and P. Zhang,“Time-dependent physics of single surface multipactor discharge with two carrier frequencies”, Phys. Rev. E 102, 043201 (2020).

  7. A. Iqbal, P. Y. Wong, J. P. Verboncoeur and P. Zhang, “Frequency-Domain Analysis of Single-Surface Multipactor Discharge With Single- and Dual-Tone RF Electric Fields”, IEEE Trans. Plasma Sci. 48, 1950 (2020)

  8. A. Iqbal, J. Ludwick, S. Fairchild, M. Cahay, D. Gortat, M. Sparkes, W. O’Neill, T. C. Back, and P. Zhang, “Empirical modeling and Monte Carlo simulation of secondary electron yield suppression of laser drilled micro-porous gold surfaces”, J. Vac. Sci. Technol. B 38, 013801 (2020).

  9. J. Ludwick, A. Iqbal, D. Gortat, J. Cook, M. Cahay, P. Zhang, T. C. Back, S. Fairchild, M. Sparkes, and W. O’Neill, “Angular dependence of secondary electron yield from microporous gold surfaces”, J. Vac. Sci. Technol. B 38, 054001 (2020).

  10. A. Iqbal, J. Verboncoeur, P. Zhang,“Temporal multiparticle Monte Carlo simulation of dual frequency single surface multipactor”, Phys. Plasmas 26, 024503 (2019).

  11. D. -Q. Wen, A. Iqbal, P. Zhang, and J. Verboncoeur,“Suppression of single-surface multipactor discharges due to non-sinusoidal transverse electric field”, Phys. Plasmas 26, 093503 (2019).

  12. A. Iqbal, J. Verboncoeur, P. Zhang, “Multipactor susceptibility on a dielectric with two carrier frequencies”, Phys. Plasmas 25, 043501 (2018).

Conference Presentations and Abstracts

  1. Asif Iqbal, Brian Bentz, Yang Zhou, Kevin Youngman, and Peng Zhang, “Characterization of Plasma Breakdown Induced by Pulsed Photoemission”, 2023 IEEE International Conference on Plasma Science (ICOPS) May 21-25, 202, Santa Fe, New Mexico, USA. [Oral]

  2. Asif Iqbal, Mirhamed Mirmozafari, Peng Zhang, Nader Behdad, John H. Booske, and John Verboncoeur, “Secondary Electron Yield Reduction in High Porosity Surfaces and Its Application for Multipactor Suppression”, 2023 IEEE International Conference on Plasma Science (ICOPS) May 21-25, 202, Santa Fe, New Mexico, USA. [Oral]

  3. Asif Iqbal, De-Qi Wen, John Verboncoeur, and Peng Zhang, “Two Surface Multipactor with Non-Sinusoidal RF Fields and Space Charge Effects”, 2023 International Vacuum Electronics Conference (IVEC), April 25-29, 2023, Beijing, China. [Oral]

  4. A. Iqbal, John Verboncoeur, Peng Zhang, “Non-sinusoidal RF Field Induced Two-Surface Multipactor Discharge”, 2022 IEEE International Conference on Plasma Science (ICOPS 2022), May 22-26, 2022, Seattle, Washington, USA. [Oral]

  5. De-Qi Wen, A. Iqbal Corey Scutt, Peng Zhang, and John P. Verboncoeur, “Multipactor mitigation via Gaussian-shape transverse RF electric field near a dielectric surface”, 2022 IEEE International Conference on Plasma Science (ICOPS 2022), May 22-26, 2022, Seattle, Washington, USA. [Oral]

  6. A. Iqbal, Patrick Y. Wong, De-Qi Wen, Shu Lin, J. Verboncoeur, and P. Zhang, “Investigation of Two Surface Multipactor with Two- Frequency RF Fields and Space-Charge Effects”, 2022 International Vacuum Electronics Conference (IVEC 2022), April 25 - 29, 2022, Monterey, California, USA. [Oral]

  7. A. Iqbal John Verboncoeur, Peng Zhang, “Study of two-frequency rf field induced two surface multipactor”, 2021 IEEE International Conference on Plasma Science (ICOPS 2021), September 12-16, 2021. [Oral]

  8. Dan Wozniak, Md Ziaur Rahman, Chunqi Jiang, A. Iqbal, Sneha Banerjee, John Verboncoeur, and Peng Zhang, “Meeks’ Criterion for Breakdown Examined in Air Using a Needle-to-Plate Configuration”, 2021 IEEE International Conference on Plasma Science (ICOPS 2021) , September 12-16, 2021. [Oral]

  9. A. Iqbal Patrick Y. Wong, De-Qi Wen, Shu Lin, J. Verboncoeur, and P. Zhang, “Multipactor Dynamics Near a Dielectric Due to Two-Frequency RF Fields”, 2021 International Vacuum Electronics Conference (IVEC 2021), April 27 - 30, 2021. [Oral]

  10. A. Iqbal, Patrick Y. Wong, J. Verboncoeur, and P. Zhang, ”Analysis of Single Surface Multipactor Discharge in the Frequency Domain”, 21st International Vacuum Electronics Conference (IVEC 2020), October 26-29, 2020, Monterey, California, USA. [Oral]

  11. A. Iqbal, J. Ludwick, S. Fairchild, M. Cahay, D. Gortat, M. Sparkes, W. O’Neill, T. C. Back, and Peng Zhang, ”A general empirical model of secondary electron yield and its application in Monte Carlo simulation of a microporous gold surface”, 21st International Vacuum Electronics Conference (IVEC 2020), October 26-29, 2020, Monterey, California, USA. [Oral]

  12. Shu Lin, A. Iqbal, Peng Zhang, and J. Verboncoeur,”Quantitative Analysis of Single-Surface Dielectric Multipactor Susceptibility with Dual Carrier Frequencies”, 21st International Vacuum Electronics Conference (IVEC 2020), October 26-29, 2020, Monterey, California, USA. [Contributed Oral]

  13. A. Iqbal, J. Ludwick, S. Fairchild, M. Cahay, D. Gortat, M. Sparkes, W. O’Neill, T. C. Back, and Peng Zhang, ”Empirical modeling and Monte Carlo simulation of secondary electron yield from a microporous surface”, International Vacuum Nanoelectronics Conference (IVNC 2019), July 22-26, 2019, Cincinnati, Ohio. [Oral]

  14. A. Iqbal, J. Verboncoeur, and P. Zhang,”Temporal study of dual frequency multipactor on a dielectric”, 2019 IEEE Pulsed Power and Plasma Science Conference (PPPS 2019), June 23-28, 2019, Orlando, FL, USA. [Oral]

  15. A. Iqbal, J. Ludwick, S. Fairchild, M. Cahay, D. Gortat, M. Sparkes, W. O’Neill, T. C. Back, and Peng Zhang, ”Monte Carlo simulation of secondary electron yield from a microporous surface”, 2019 IEEE Pulsed Power and Plasma Science Conference (PPPS 2019), June 23-June 28, 2019, Orlando, FL, USA. [Poster]

  16. A. Iqbal, J. Verboncoeur, Patrick Wong, and P. Zhang,”Temporal study of dual frequency single surface multipactor by multiparticle Monte Carlo simulations”, 20th International Vacuum Electronics Conference (IVEC 2019), April 28-May 1, 2019, Busan, South Korea. [Contributed Poster]

  17. A. Iqbal, J. Verboncoeur, and P. Zhang, “Time Dependent Physics of Single Surface Multipactor by Multiparticle Monte Carlo Simulations”, 9th Annual MIPSE Graduate Student Symposium, November 14, 2018, Ann Arbor, MI, USA. [Poster]

  18. A. Iqbal, J. P. Verboncoeur, P. Zhang,”Dual frequency multipactor on a dielectric”,45th IEEE International Conference on Plasma Science (ICOPS 2018) , June 24-28, 2018, Denver, CO, USA. [Oral]

  19. A. Iqbal, P. Zhang, J. Verboncoeur, ”Dual-frequency multipactor susceptibility on a dielectric”, 19th International Vacuum Electronics Conference (IVEC 2018), April 24 - 26, 2018, Monterey, California, USA. [Contributed Oral]

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