Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source

David V. Reale; Daniel Mauch; Jared M. Johnson; Andreas A. Neuber; James C. Dickens; John J. Mankowski

doi:10.1109/IPMHVC.2014.7287223

Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source

David V. Reale, Daniel Mauch, Jared M. Johnson, Andreas A. Neuber, James C. Dickens, John J. Mankowski

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

5 Scopus citations

Abstract

An all solid-state high power microwave (HPM) source is constructed using a photoconductive semiconductor switch (PCSS) based HV pulse generator to drive a sulfur hexaflouride (SF₆) insulated coaxial ferrimagnetic nonlinear transmission line (NLTL) which feeds a TEM horn antenna. The PCSS was fabricated from high purity semi-insulating (HPSI) 4H-SiC and is illuminated with 2 mJ from a frequency tripled Nd:YAG laser at 355 nm with a 7 ns FWHM. Fixed fiber optic delay lines are utilized to generate a burst of four optical pulses from a single solid-state laser source for rep-rate operation. The input to the NLTL is an adjustable pulse from 3 kV to 6 kV with sub-ns rise time and the resulting output of the NLTL is radiation in the L-band to S-band regime with RF power from 100-200 kW depending on charge voltage. A Rexolite® insulated zipper transition, in which the inner conductor of the coax is gradually exposed, is used at the output of the NLTL to transition from a coaxial structure to parallel plate structure in order to feed a free space TEM horn. The zipper transition and feed section of the TEM horn are potted using Sylgard® 184 silicone elastomer to prevent breakdown at the antenna feed and maintain a homogenous dielectric constant for the transition region. Radiated waveforms are presented for several charge voltages and bias conditions.

Original language	English
Title of host publication	Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014
Editors	Allen L. Garner
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	123-125
Number of pages	3
ISBN (Electronic)	9781467373234
DOIs	https://doi.org/10.1109/IPMHVC.2014.7287223
State	Published - Oct 1 2015
Event	IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014 - Santa Fe, United States Duration: Jun 1 2014 → Jun 5 2014

Publication series

Name	Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014

Conference

Conference	IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014
Country	United States
City	Santa Fe
Period	06/1/14 → 06/5/14

Keywords

Ferrimagnetic
HPM
NLTL
Nonlinear Transmission Lines
PCSS
Pulsed Power

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10.1109/IPMHVC.2014.7287223

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Reale, D. V., Mauch, D., Johnson, J. M., Neuber, A. A., Dickens, J. C., & Mankowski, J. J. (2015). Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source. In A. L. Garner (Ed.), Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014 (pp. 123-125). [7287223] (Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IPMHVC.2014.7287223

Reale, David V. ; Mauch, Daniel ; Johnson, Jared M. ; Neuber, Andreas A. ; Dickens, James C. ; Mankowski, John J. / Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source. Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014. editor / Allen L. Garner. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 123-125 (Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014).

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title = "Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source",

abstract = "An all solid-state high power microwave (HPM) source is constructed using a photoconductive semiconductor switch (PCSS) based HV pulse generator to drive a sulfur hexaflouride (SF6) insulated coaxial ferrimagnetic nonlinear transmission line (NLTL) which feeds a TEM horn antenna. The PCSS was fabricated from high purity semi-insulating (HPSI) 4H-SiC and is illuminated with 2 mJ from a frequency tripled Nd:YAG laser at 355 nm with a 7 ns FWHM. Fixed fiber optic delay lines are utilized to generate a burst of four optical pulses from a single solid-state laser source for rep-rate operation. The input to the NLTL is an adjustable pulse from 3 kV to 6 kV with sub-ns rise time and the resulting output of the NLTL is radiation in the L-band to S-band regime with RF power from 100-200 kW depending on charge voltage. A Rexolite{\textregistered} insulated zipper transition, in which the inner conductor of the coax is gradually exposed, is used at the output of the NLTL to transition from a coaxial structure to parallel plate structure in order to feed a free space TEM horn. The zipper transition and feed section of the TEM horn are potted using Sylgard{\textregistered} 184 silicone elastomer to prevent breakdown at the antenna feed and maintain a homogenous dielectric constant for the transition region. Radiated waveforms are presented for several charge voltages and bias conditions.",

keywords = "Ferrimagnetic, HPM, NLTL, Nonlinear Transmission Lines, PCSS, Pulsed Power",

author = "Reale, {David V.} and Daniel Mauch and Johnson, {Jared M.} and Neuber, {Andreas A.} and Dickens, {James C.} and Mankowski, {John J.}",

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doi = "10.1109/IPMHVC.2014.7287223",

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Reale, DV, Mauch, D, Johnson, JM, Neuber, AA , Dickens, JC & Mankowski, JJ 2015, Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source. in AL Garner (ed.), Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014., 7287223, Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014, Institute of Electrical and Electronics Engineers Inc., pp. 123-125, IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014, Santa Fe, United States, 06/1/14. https://doi.org/10.1109/IPMHVC.2014.7287223

Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source. / Reale, David V.; Mauch, Daniel; Johnson, Jared M.; Neuber, Andreas A.; Dickens, James C.; Mankowski, John J.

Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014. ed. / Allen L. Garner. Institute of Electrical and Electronics Engineers Inc., 2015. p. 123-125 7287223 (Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source

AU - Reale, David V.

AU - Mauch, Daniel

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AU - Neuber, Andreas A.

AU - Dickens, James C.

AU - Mankowski, John J.

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N2 - An all solid-state high power microwave (HPM) source is constructed using a photoconductive semiconductor switch (PCSS) based HV pulse generator to drive a sulfur hexaflouride (SF6) insulated coaxial ferrimagnetic nonlinear transmission line (NLTL) which feeds a TEM horn antenna. The PCSS was fabricated from high purity semi-insulating (HPSI) 4H-SiC and is illuminated with 2 mJ from a frequency tripled Nd:YAG laser at 355 nm with a 7 ns FWHM. Fixed fiber optic delay lines are utilized to generate a burst of four optical pulses from a single solid-state laser source for rep-rate operation. The input to the NLTL is an adjustable pulse from 3 kV to 6 kV with sub-ns rise time and the resulting output of the NLTL is radiation in the L-band to S-band regime with RF power from 100-200 kW depending on charge voltage. A Rexolite® insulated zipper transition, in which the inner conductor of the coax is gradually exposed, is used at the output of the NLTL to transition from a coaxial structure to parallel plate structure in order to feed a free space TEM horn. The zipper transition and feed section of the TEM horn are potted using Sylgard® 184 silicone elastomer to prevent breakdown at the antenna feed and maintain a homogenous dielectric constant for the transition region. Radiated waveforms are presented for several charge voltages and bias conditions.

AB - An all solid-state high power microwave (HPM) source is constructed using a photoconductive semiconductor switch (PCSS) based HV pulse generator to drive a sulfur hexaflouride (SF6) insulated coaxial ferrimagnetic nonlinear transmission line (NLTL) which feeds a TEM horn antenna. The PCSS was fabricated from high purity semi-insulating (HPSI) 4H-SiC and is illuminated with 2 mJ from a frequency tripled Nd:YAG laser at 355 nm with a 7 ns FWHM. Fixed fiber optic delay lines are utilized to generate a burst of four optical pulses from a single solid-state laser source for rep-rate operation. The input to the NLTL is an adjustable pulse from 3 kV to 6 kV with sub-ns rise time and the resulting output of the NLTL is radiation in the L-band to S-band regime with RF power from 100-200 kW depending on charge voltage. A Rexolite® insulated zipper transition, in which the inner conductor of the coax is gradually exposed, is used at the output of the NLTL to transition from a coaxial structure to parallel plate structure in order to feed a free space TEM horn. The zipper transition and feed section of the TEM horn are potted using Sylgard® 184 silicone elastomer to prevent breakdown at the antenna feed and maintain a homogenous dielectric constant for the transition region. Radiated waveforms are presented for several charge voltages and bias conditions.

KW - Ferrimagnetic

KW - HPM

KW - NLTL

KW - Nonlinear Transmission Lines

KW - PCSS

KW - Pulsed Power

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Reale DV, Mauch D, Johnson JM, Neuber AA , Dickens JC , Mankowski JJ. Radiation from SiC PCSS driven gyromagnetic nonlinear transmission line high power microwave source. In Garner AL, editor, Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014. Institute of Electrical and Electronics Engineers Inc. 2015. p. 123-125. 7287223. (Proceedings of the 2014 IEEE International Power Modulator and High Voltage Conference, IPMHVC 2014). https://doi.org/10.1109/IPMHVC.2014.7287223