Search Results - "Jaynes, Reginald L."

A High-Current-Density Electron Beam for Millimeter-Wave Amplifiers by Cook, Alan M., Wright, Edward L., Nguyen, Khanh T., Joye, Colin D., Rodgers, John C., Jaynes, Reginald L., Atkinson, John, Kimura, Takuji

“…We present experimental characterization of a 20-kV, 130-mA thermionic electron gun, which is a component of a <inline-formula> <tex-math notation="LaTeX">{W}…”
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Demonstration of a W-Band Traveling-Wave Tube Power Amplifier With 10-GHz Bandwidth by Cook, Alan M., Wright, Edward L., Nguyen, Khanh T., Joye, Colin D., Rodgers, John C., Jaynes, Reginald L., Chernyavskiy, Igor A., Wood, Frank N., Albright, Benjamin S., Abe, David K., Calame, Jeffrey P., Levush, Baruch, Pershing, Dean E., Atkinson, John, Kimura, Takuji

“…We present the experimental demonstration of a traveling-wave tube (TWT) power amplifier operating in the <inline-formula> <tex-math notation="LaTeX">{W}…”
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Microfabrication and Micromachining for Millimeter-Wave Traveling Wave Tubes by Jaynes, Reginald L., Cook, Alan M., Joye, Colin D., Rodgers, John C., Vlasov, Alexander N., Chernyavskiy, Igor A., Calame, Jeffrey P., Wright, Edward L., Nguyen, Khanh T., Kimura, Takuji, Atkinson, John, Aymar, Galen

“…Millimeter and sub-millimeter wave vacuum electronic devices are of great interest for a wide variety of applications, but fabrication of the sub-wavelength…”
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Microfabricated Millimeter-Wave Traveling Wave Tubes by Joye, Colin D., Cook, Alan M., Rodgers, John C., Jaynes, Reginald L., Vlasov, Alexander N., Calame, Jeffrey P., Abe, David K., Burke, Alexander T., Petillo, John J.

“…Millimeter and sub-millimeter wave vacuum electronic devices have been of great interest for a wide variety of applications, but fabrication of the…”
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Design and Recent Status of the NRL Low Voltage Folded Waveguide Four Beam Mini-TWT by Vlasov, Alexander N., Rodgers, John C., Jaynes, Reginald L., Joye, Colin D., Pasour, John A., Wood, Franklin N., Chernyavskiy, Igor A., Cooke, Simon J., Abe, David K., Levush, Baruch, Antonsen, Thomas M., Chernin, David, Jabotinski, Vadim, Nguyen, Khanh T.

“…In this paper we present a practical design of Multiple Beam Traveling Wave Tube (MB-TWT) with Folded Waveguide (FW) Slow Wave Structure (SWS) operating at low…”
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Additive Fabrication for Upper-Millimeter-Wave Traveling Wave Tube Amplifiers by Cook, Alan M., Joye, Colin D., Wood, Franklin N., Albright, Benjamin S., Jaynes, Reginald L., Calame, Jeffrey P.

“…We present an overview of additive fabrication methods for upper-millimeter-wave traveling-wave tube (TWT) amplifier slow-wave circuits, including ultraviolet…”
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Monolithic Fabrication Concepts for a Ka-band Sheet-Beam Coupled-Cavity TWT by Joye, Colin D., Cook, Alan M., Jaynes, Reginald L., Wood, Franklin N., Albright, B. Spence, Rodgers, John C., Pasour, John A., Calame, Jeffrey P., Chernyavskiy, Igor A., Cooke, Simon J., Vlasov, Alexander N., Levush, Baruch, Schipf, David R., Nguyen, Khanh T., Wright, Edward L., Pershing, Dean E.

“…We report on efforts toward a monolithic Ka-band sheet-beam coupled-cavity TWT circuit. This new circuit serves as a drop-in replacement for a demonstrated…”
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Radio-frequency plasma cleaning for mitigation of high-power microwave-pulse shortening in a coaxial gyrotron by Cohen, William E., Gilgenbach, Ronald M., Jaynes, Reginald L., Peters, Christopher W., Lopez, Mike R., Lau, Y. Y., Anderson, Scott A., Brake, Mary L., Spencer, Thomas A.

“…Results are reported demonstrating that radio-frequency (rf) plasma cleaning is an effective technique for mitigating microwave-pulse shortening (i.e.,…”
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Velocity ratio measurement diagnostics and simulations of a relativistic electron beam in an axis encircling gyrotron by Jaynes, R.L., Gilgenbach, R.M., Hochman, J.M., Eidietis, N., Rintamaki, J.I., Cohen, W.E., Peters, C.W., Lau, Y.Y., Spencer, T.A.

“…This paper reports on diagnostic experiments and simulations of a large-orbit, axis-encircling gyrotron. The electron's perpendicular to parallel velocity…”
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Monolithic Fabrication of a Multiple-Electron-Beam Traveling-Wave Circuit by Jaynes, Reginald L., Cook, Alan M., Albright, Benjamin S., Joye, Colin D., Adcock, Thomas

“…We present fabrication results and RF cold test of a multiple-electron-beam TWT circuit operating in the millimeter-wave frequency range. Due to the eight beam…”
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W-band TWT circuit fabricated by 3D-printed mold electroforming by Cook, Alan M., Joye, Colin D., Jaynes, Reginald L., Calame, Jeffrey P.

“…We demonstrate 3D-printed mold electroforming (3D-PriME) fabrication of a W-band serpentine waveguide TWT circuit. The method allows the creation of a solid…”
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Characterization of W-band Serpentine Waveguide TWT Circuits by Jaynes, Reginald L., Cook, Alan M., Joye, Colin D., Wright, Edward L., Pershing, Dean E., Nguyen, Khanh T.

“…We present experimental characterization of W-band serpentine waveguide TWT circuits fabricated by CNC micro-endmill machining. Cold test measurements of…”
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Circuit Fabrication Methods for Millimeter-Wave Vacuum Electronics by Joye, Colin D., Cook, Alan M., Jaynes, Reginald L., Albright, B. Spence, Lowe, John R., Rodgers, John C., Calame, Jeffrey P., Johnson, Scooter D.

“…We report on fabrication techniques for creating vacuum electron (VE) circuits from 30 GHz to 300 GHz. for devices up to 300 GHz, micro-CNC machining appears…”
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Study of W-band diamond RF windows for high-average-power TWTs by Jaynes, Reginald L., Cook, Alan M., Abe, David K., Hanna, Jeremy M.

“…We present a simulation study of a pillbox-type RF window for a W-band TWT. The window consists of a polycrystalline diamond disk brazed into a copper…”
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Monolithically integrated 140 GHz TWT arrays by Joye, Colin D., Jaynes, Reginald L., Calame, Jeffrey P., Rodgers, John C., Cook, Alan M., Johnson, Scooter D., Burke, Alexander T.

“…Initial work is presented on novel monolithic integration of key components for 140 GHz traveling- wave tube arrays…”
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Design of a low voltage folded waveguide four beam Mini-TWT by Vlasov, Alexander N., Rodgers, John C., Jaynes, Reginald L., Joye, Colin D., Pasour, John A., Wood, Franklin N., Chernyavskiy, Igor A., Cooke, Simon J., Abe, David K., Levush, Baruch, Antonsen, Thomas M., Chernin, David, Jabotinski, Vadim, Nguyen, Khanh T.

“…Folded Waveguide (FW)mini- TWT based on four beams operating at 6.2 kV with total beam power 2.7 kW has been designed by using NRL design codes. The FW slow…”
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Fabrication and testing of Ka-band multi-beam TWT circuits by Jaynes, Reginald L., Vlasov, Alexander N., Rodgers, John C., Wood, Frank N., Joye, Colin D., Pershing, Dean E., Cook, Alan M., Abe, David K.

“…We present the fabrication and testing of a novel 4 electron beam TWT designed for operation at low voltage (6.2 KV). Presented are cold test and bead pull…”
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Microfabrication methods for a 233 GHz traveling wave amplifier by Joye, Colin D., Cook, Alan M., Jaynes, Reginald L., Calame, Jeffrey P., Albright, Benjamin S., Lowe, John R., Abe, David K., Nguyen, Khanh T., Wright, Edward L.

“…We present the application of UV-LIGA and CNC micromachining to development of a 233 GHz hybrid serpentine waveguide Traveling Wave Tube amplifier. Results…”
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W-band TWT Component Fabrication and Testing by Cook, Alan M., Wright, Edward L., Nguyen, Khanh T., Joye, Colin D., Wood, Frank. N., Albright, B. Spence, Lowe, John R., Jaynes, Reginald T, Calame, Jeffrey P., Abe, David K., Kimura, Takuji, Aymar, Galen

“…We present fabrication and testing of RF components for a W-band serpentine waveguide TWT. Broadband ceramic RF windows and loads exhibit reflection lower than…”
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Optical spectroscopy of plasma in high power microwave pulse shortening experiments driven by a micros e-beam by Gilgenbach, Ronald M, Hochman, Jonathan M, Jaynes, Reginald L, Cohen, William E

“…Microwave pulse shortening experiments have been performed on a rectangular-cross-section (RCS) gyrotron driven by the Michigan Electron Long Beam Accelerator…”
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