Intellex Acquires Expert by Big Village

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Expert Details

Plasma Physics, Design and Characterization of Plasma Sources, Biological Application of Plasmas

ID: 723453 New Jersey, USA

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Expert has experience with the design of applicator and antenna system for launching electromagnetic field (from 2.45 GHz to 105 GHz) for efficient plasma production and creative plasma diagnostics. He has extensive experience in design and development of electron cyclotron produced plasma system. Theoretical modeling of microwave propagation and absorption through electron cyclotron region in a plasma. Electron density measurement is very critical for plasma diagnostic and commercial application of plasma. He has expertise in plasma density measurement over large plasma pressure range. He has utilized probe diagnostics and millimeter wave interferometer for low pressure discharges and plasma emission spectroscopy for atmospheric pressure discharges. He has also developed a new application of millimeter wave interferometer for intermediate pressure range that has been cited for more than 20 times. He has experience in designing plasma systems for DC discharge, radio frequency, microwave frequency and laser produced discharged over a wide pressure range up to atmospheric pressure. These systems can be used for plasma emission spectroscopy, plasma remediation and other industrial application. Nature of feed gas is critical to the chemical efficiency of the plasma. Critical choice of gas is important for the nature of plasma application. He has experience of creating discharges with variety of gases, metal vapor including exotic gases and his expertise will be helpful in choosing right feed gas for particular application. Glow discharge plasma is used for variety of application including plasma emission spectroscopy source, remote plasma source for plasma remediation. He has considerable experience in modeling, designing and diagnosing these discharges that are of significant industrial application. High density gas discharges are used for plasma processing, plasma decontamination, and increased throughput of the process. His expertise over extensive period in this field that involves a detailed theoretical study, design and diagnosing of these sources enables me to provide a high quality consultancy in this area. Inductively coupled plasma are used for variety of industrial application as plasma torches, remote plasma creation, spectroscopy sources. He has designed, developed and operated variety of inductively coupled plasma sources. It includes design of antenna system- helical antenna, Double half-turn helix, Nagoya, Saddle type antenna, over wide range of chamber pressure- low pressure helicon system and atmospheric pressure plasma with operating power up to 25 kW.

Consulted IntelliResearch, Princeton for plasma diagnostics.Consulted INFN-LNS, Catania Italy as a visiting Scientist for the development of ECR Ions source.Consulted INFN-LNS for the development of Helicon plasma source for ion source and material processing application. Expert has experience with the design of applicator and antenna system for launching electromagnetic field (from 2.45 GHz to 105 GHz) for efficient plasma production and creative plasma diagnostics. He has extensive experience in design and development of electron cyclotron produced plasma system. Theoretical modeling of microwave propagation and absorption through electron cyclotron region in a plasma. Electron density measurement is very critical for plasma diagnostic and commercial application of plasma. He has expertise in plasma density measurement over large plasma pressure range. He has utilized probe diagnostics and millimeter wave interferometer for low pressure discharges and plasma emission spectroscopy for atmospheric pressure discharges. He has also developed a new application of millimeter wave interferometer for intermediate pressure range that has been cited for more than 20 times. He has experience in designing plasma systems for DC discharge, radio frequency, microwave frequency and laser produced discharged over a wide pressure range up to atmospheric pressure. These systems can be used for plasma emission spectroscopy, plasma remediation and other industrial application. Nature of feed gas is critical to the chemical efficiency of the plasma. Critical choice of gas is important for the nature of plasma application. He has experience of creating discharges with variety of gases, metal vapor including exotic gases and his expertise will be helpful in choosing right feed gas for particular application. Glow discharge plasma is used for variety of application including plasma emission spectroscopy source, remote plasma source for plasma remediation. He has considerable experience in modeling, designing and diagnosing these discharges that are of significant industrial application. High density gas discharges are used for plasma processing, plasma decontamination, and increased throughput of the process. His expertise over extensive period in this field that involves a detailed theoretical study, design and diagnosing of these sources enables me to provide a high quality consultancy in this area. Inductively coupled plasma are used for variety of industrial application as plasma torches, remote plasma creation, spectroscopy sources. He has designed, developed and operated variety of inductively coupled plasma sources. It includes design of antenna system- helical antenna, Double half-turn helix, Nagoya, Saddle type antenna, over wide range of chamber pressure- low pressure helicon system and atmospheric pressure plasma with operating power up to 25 kW.

Consulted IntelliResearch, Princeton for plasma diagnostics.

Consulted INFN-LNS, Catania Italy as a visiting Scientist for the development of ECR Ions source.

Consulted INFN-LNS for the development of Helicon plasma source for ion source and material processing application.

Education

Year Degree Subject Institution
Year: 1997 Degree: Ph.D. Subject: Plasma Physics Institution: IIT Delhi, New Delhi, India
Year: 1989 Degree: M.S Subject: Material Sciences Institution: IIT Kanpur, Kanpur India
Year: 1985 Degree: M.S. Subject: Engineering Physics Institution: IIT Roorkee, Roorkee India
Year: 1985 Degree: B.S. Subject: Physics Institution: Aligarh Muslim University, Aligarh
Year: 1997 Degree: Ph.D. Subject: Plasma Physics Institution: IIT Delhi, New Delhi, India
Year: 1989 Degree: M.S Subject: Material Sciences Institution: IIT Kanpur, Kanpur India
Year: 1985 Degree: M.S. Subject: Engineering Physics Institution: IIT Roorkee, Roorkee India
Year: 1985 Degree: B.S. Subject: Physics Institution: Aligarh Muslim University, Aligarh

Work History

Years Employer Title Department
Years: 2004 to Present Employer: Undisclosed Title: Manager Microwave Plasma Research Department:
Responsibilities:
Managing plasma program. Design and characterization of Microwave, radio frequency and DC plasma sources. Probe, mm wave interferrometry, and spectroscoipc plasma diagnostics
Years Employer Title Department
Years: 2000 to 2006 Employer: Title: Visiting Scientist Department:
Responsibilities:
Available upon request.
Years Employer Title Department
Years: 2001 to 2004 Employer: Title: Research Scientist/Post-Doc Department:
Responsibilities:
A novel idea to produce large volume, high-density and high-pressure discharges by 193 nm laser (Excimer) initiation of the seed discharge followed by radiofrequency power sustainment, thereby lowering the required power budget. Investigation of electron energy distribution function and the effect of fast electrons on the ionization process in Helicon Plasmas. Magnetic field effect on enhanced wave penetration in highly collisional plasmas. Development of 105 GHz millimeter wave Interferometery for plasma density measurement in the presence of high collisionality. Spectroscopic diagnostics of high-density plasma sources. Advising undergraduate and graduate students of Laser & Radiofrequency Plasma Group. Writing successful grant proposals.
Delivered invited talks at INFN-LNS, Catania, Italy and University of Messina, Messina, Italy.
Years Employer Title Department
Years: 1995 to 1999 Employer: Faculty of Engineering and Technology, JMI (Federal Higher Education University), Delhi Title: Department: Department of Applied Sciences
Responsibilities:
Teaching-Taught Graduate level Microwaves, Antenna & Wave propagation, and Quantum Mechanics course and under-graduate level freshmen Physics and senior level Microwave Engineering courses. Developed freshmen physics and graduate Microwave laboratories.
Research-Successful coupling of microwave power using an optimally designed helical antenna near electron cyclotron resonance (ECR) and production of high density (~ 5-8 x10^12 cm-3) argon plasmas at gas pressures (1-2x10^-4 Torr) indicating a very high ionization efficiency. Developed a kinetic theory model that includes the effect of finite electron temperature and density/temperature gradients, ECR absorption and Landau damping to study the propagation and absorption of high frequency guided waves. Predicted that in a plasma-waveguide system, polarization reversal of the m=+/-1 slow wave modes, could lead to efficient absorption of even m=-1 mode. Verified these results in an experiment where it was possible to launch the right- and left-polarized wave selectively. A detailed measurement showed the presence of both m=+1 and m=- 1 waves regardless of the nature of the launched waves.
Years Employer Title Department
Years: 1989 to 1993 Employer: Title: Senior Research Fellow Department:
Responsibilities:
Completed the Doctoral Dissertation entitled "Investigation of High-Frequency Guided-Wave modes in Microwave Produced Plasmas". Thesis involved development of an experimental system and numerical model based on kinetic theory formulation to study the interaction of microwave with plasmas.
Years Employer Title Department
Years: 1987 to 1986 Employer: Title: Junior Reserach Fellow Department:
Responsibilities:
Completed M.S. Thesis on Piezoelectric Properties of Lead Zirconate Titanate (PZT) ceramics. Determined composition range for PZT to be Morphotropic.

Years Employer Title Department
Years: 2004 to Present Employer: Undisclosed Title: Manager Microwave Plasma Research Department:
Responsibilities:
Managing plasma program. Design and characterization of Microwave, radio frequency and DC plasma sources. Probe, mm wave interferrometry, and spectroscoipc plasma diagnostics
Years Employer Title Department
Years: 2000 to 2006 Employer: Title: Visiting Scientist Department:
Responsibilities:
Available upon request.
Years Employer Title Department
Years: 2001 to 2004 Employer: Title: Research Scientist/Post-Doc Department:
Responsibilities:
A novel idea to produce large volume, high-density and high-pressure discharges by 193 nm laser (Excimer) initiation of the seed discharge followed by radiofrequency power sustainment, thereby lowering the required power budget. Investigation of electron energy distribution function and the effect of fast electrons on the ionization process in Helicon Plasmas. Magnetic field effect on enhanced wave penetration in highly collisional plasmas. Development of 105 GHz millimeter wave Interferometery for plasma density measurement in the presence of high collisionality. Spectroscopic diagnostics of high-density plasma sources. Advising undergraduate and graduate students of Laser & Radiofrequency Plasma Group. Writing successful grant proposals.
Delivered invited talks at INFN-LNS, Catania, Italy and University of Messina, Messina, Italy.
Years Employer Title Department
Years: 1995 to 1999 Employer: Faculty of Engineering and Technology, JMI (Federal Higher Education University), Delhi Title: Department: Department of Applied Sciences
Responsibilities:
Teaching-Taught Graduate level Microwaves, Antenna & Wave propagation, and Quantum Mechanics course and under-graduate level freshmen Physics and senior level Microwave Engineering courses. Developed freshmen physics and graduate Microwave laboratories.
Research-Successful coupling of microwave power using an optimally designed helical antenna near electron cyclotron resonance (ECR) and production of high density (~ 5-8 x10^12 cm-3) argon plasmas at gas pressures (1-2x10^-4 Torr) indicating a very high ionization efficiency. Developed a kinetic theory model that includes the effect of finite electron temperature and density/temperature gradients, ECR absorption and Landau damping to study the propagation and absorption of high frequency guided waves. Predicted that in a plasma-waveguide system, polarization reversal of the m=+/-1 slow wave modes, could lead to efficient absorption of even m=-1 mode. Verified these results in an experiment where it was possible to launch the right- and left-polarized wave selectively. A detailed measurement showed the presence of both m=+1 and m=- 1 waves regardless of the nature of the launched waves.
Years Employer Title Department
Years: 1989 to 1993 Employer: Title: Senior Research Fellow Department:
Responsibilities:
Completed the Doctoral Dissertation entitled "Investigation of High-Frequency Guided-Wave modes in Microwave Produced Plasmas". Thesis involved development of an experimental system and numerical model based on kinetic theory formulation to study the interaction of microwave with plasmas.
Years Employer Title Department
Years: 1987 to 1986 Employer: Title: Junior Reserach Fellow Department:
Responsibilities:
Completed M.S. Thesis on Piezoelectric Properties of Lead Zirconate Titanate (PZT) ceramics. Determined composition range for PZT to be Morphotropic.

International Experience

Years Country / Region Summary
Years: 2000 to 2000 Country / Region: INFN-LNS, Catania, Italy Summary: Consulted INFN-LNS for the development of ion sources
Years: 2004 to 2004 Country / Region: INFN-LNS, Catania, Italy Summary: Consulted INFN-LNS for the development of Helicon plasma source for ion source and material processing application, April 2004.
Years: 2000 to 2000 Country / Region: INFN-LNS, Catania, Italy Summary: Consulted INFN-LNS for the development of ion sources
Years: 2004 to 2004 Country / Region: INFN-LNS, Catania, Italy Summary: Consulted INFN-LNS for the development of Helicon plasma source for ion source and material processing application, April 2004.

Career Accomplishments

Associations / Societies
Member American Physical Society; Member Institution of Electrical & Electronics Engineers (IEEE); Life Member Plasma Science Society of India
Professional Appointments
Referee: IEEE Trans. Plasma Sciences; Review of Scientific Instruments
Awards / Recognition
Award for Best Oral Paper entitled "Investigation of High-Frequency Guided Waves in ECR Produced plasma" by Plasma Science Society of India at its Eleventh National Symposium on Science and Technology of Plasmas, held at Barkatullah University, Bhopal; INFN Postdoctoral fellowship, at Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud (INFN-LNS), Catania, Italy; Graduate Aptitude Test in Engineering (GATE) fellowship, for graduate masters and doctoral studies, conducted by Ministry of HRD, Govt. of India; Council of Scientific and Industrial Research (CSIR) fellowship, for doctoral studies, conducted by Ministry of Science and Technology.
Publications and Patents Summary
Over ten reviewed publications in the international journals of repute, contributions to three book chapters in two books. Four reviewed conference publications, over 25 conference presentations. Over eleven invited talks.

Language Skills

Language Proficiency
Hindi, India He is very proficient in Hindi spoken by majority of Indians.
Urdu He is very proficient in Urdu second most spoken language in India, and primary language in Pakistan.
Arabic
Hindi, India He is very proficient in Hindi spoken by majority of Indians.
Urdu He is very proficient in Urdu second most spoken language in India, and primary language in Pakistan.
Arabic

Fields of Expertise

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