Last edited by Mashicage
Tuesday, July 14, 2020 | History

2 edition of Development program for a 200 kW, CW, 28-GHz gyroklystron found in the catalog.

Development program for a 200 kW, CW, 28-GHz gyroklystron

Varian Associates. Palo Alto Microwave Tube Division

Development program for a 200 kW, CW, 28-GHz gyroklystron

by Varian Associates. Palo Alto Microwave Tube Division

  • 2 Want to read
  • 0 Currently reading

Published by Dept. of Energy, Oak Ridge National Laboratory in Oak Ridge, Tenn .
Written in English

    Subjects:
  • Electron gun -- Design and construction,
  • Oscillators, Microwave,
  • Cyclotron resonance

  • Edition Notes

    Statementprepared by Varian Associates, Inc., Palo Alto Microwave Tube Division ; for Oak Ridge National Laboratory
    SeriesORNL/Sub ; 01617/9
    ContributionsJory, H, Oak Ridge National Laboratory
    The Physical Object
    Paginationv. :
    ID Numbers
    Open LibraryOL14881380M

    Currently, Varian, the major gyrotron manufacturer in the U.S., can provide steady state and pulsed kW gyrotrons in the 28 to 70 GHz range as well as steady state kW (and pulsed kW) GHz gyrotrons. Varian development of a steady state MW GHz gyrotron is in progress. Recent test results are kW, GHz and sec with   The state of the development work of GHz high power gyrotrons at KfK is given. In particular, the design and experimental results of a MW, TE 10,4 - gyrotron tube are short pulse operation an rf-output power of MW has

      Ideally, an integrated waveguide platform should give a nonlinear phase shift of γ L eff P cw ~ π, where γ represents the nonlinear Kerr parameter (in units of [Wm] −1), L eff is the effective length of the waveguide and P cw the continuous-wave power. In the case of a PSA, this would roughly yield an on-chip parametric gain close to 10 :// Representative of present state of the art for gyrotron oscillators is a GHz gyrotron capable of operation at 1 MW for s pulses, kW for s pulses, and kW CW. * To achieve these unprecedented powers without thermal damage to the interaction circuit, this device was operated in a very high order cavity mode, the TE 22,6,1 ://

      Book contents; Heating in Toroidal Plasmas. Heating in Toroidal Plasmas. Proceedings of the 2nd Joint Grenoble–Varenna International Symposium, Como, Italy, 3–12 September , Pages A SURVEY OF THE PRESENT STATE OF THE   Levush was the recipient of the DoD Robert L. Woods Award for his role in the successful development of a kW average power -band gyroklystron. W Bruce G. Danly (M’87–SM’01) received the B.A. degree in physics from Haverford College, Haverford, PA, in , and the Ph.D. degree in physics from the Massachusetts Institute of Technology (MIT), Cambridge, in  › 百度文库 › 互联网.


Share this book
You might also like
Beyond the bombing

Beyond the bombing

Faculty publications and research 1980 at Eastern New Mexico University.

Faculty publications and research 1980 at Eastern New Mexico University.

æsthetic and miscellaneous works of Friedrich von Schlegel

æsthetic and miscellaneous works of Friedrich von Schlegel

An Assessment of the Need for Training and Educatinal Activities of Score/ACE Volunteers in the State of North Dakota

An Assessment of the Need for Training and Educatinal Activities of Score/ACE Volunteers in the State of North Dakota

A report to you

A report to you

The orphans of Normandy, or, Florentin and Lucie

The orphans of Normandy, or, Florentin and Lucie

A series of letters relating to the late attempt at a reconciliation between the members of the congregations of St. Marys and St. Josephs

A series of letters relating to the late attempt at a reconciliation between the members of the congregations of St. Marys and St. Josephs

Wmcr C What Goes Around? Is (Windmill Books: Concept Readers)

Wmcr C What Goes Around? Is (Windmill Books: Concept Readers)

The comedians of Franz Antony Bustelly.

The comedians of Franz Antony Bustelly.

Continuous current electrical engineering.

Continuous current electrical engineering.

Literature review on factors affecting shrub response to herbicides

Literature review on factors affecting shrub response to herbicides

Pea moth.

Pea moth.

National & regional styles of cookery

National & regional styles of cookery

Addresses at the fifteenth annual meeting of the American Society of International Law

Addresses at the fifteenth annual meeting of the American Society of International Law

Particulars & conditions of sale Lough House Greyabbey, County Down

Particulars & conditions of sale Lough House Greyabbey, County Down

Development program for a 200 kW, CW, 28-GHz gyroklystron by Varian Associates. Palo Alto Microwave Tube Division Download PDF EPUB FB2

Get this from a library. Development program for a kW, CW, GHz gyroklystron. [H Jory; Varian Associates. Palo Alto Microwave Tube Division.; Oak Ridge National Laboratory.] Development program for a kW, CW, 28 GHz gyroklystron.

Quarterly report No. The objective of the program is to develop a microwave amplifier or oscillator capable of producing kW CW power output at 28 GHz.

The use of the gyrotron or cyclotron resonance interaction is being pursued. Development program for a kW, CW 28 GHz 3. Jory et al., “Development Program for a kW, cw, GHz Gyroklystron,” Quarterly Report Nos. 1–17, July thru Juneprepared by Varian Associates, Inc., under Subcontract Purchase Order No.

53X C for Oak Ridge National Laboratory operated by Union Carbide Corporation for the U. Department of Energy Contract Weng   DEVELOPMENT PROGRAM FOR A kW, CW, GHz GYROKLYSTRON H. Jory, S. Evans, S. Hegji, J. Shively, R. Symons, and N. Taylor Quarterly Report No.

10 July through Sept. Prepared by Varian Associates, Inc. Palo Alto Microwave Tube Division Hansen Way Palo Alto, California for OAK RIDGE NATIONAL LABORATORY Oak Ridge, Tennessee Such diagrams revealed that the use of these specific ceramic materials will be limited by their time to failure at the tensile stresses imposed on them under the gyrotron operating conditions (60 GHz or greater and ⩾ kW in a continuous wave (CW), TE 02 mode (i.e., radial power distribution in beam exhibits two maxima).

The fatigue @article{osti_, title = {First kW CW operation of a 60 GHz gyrotron}, author = {Jory, H and Bier, R and Evans, S and Felch, K and Fox, L and Huey, H and Shively, J and Spang, S}, abstractNote = {The gyrotron is a microwave tube which employs the electron cyclotron maser interaction to produce high power output at millimeter ://   Shively et al., “ Development program for a kW CW, 28 GHz gyroklystron,” Contract No.

Weng-2, Final Report, Varian Associates, Inc., Oak Ridge National Laboratory, April –September The mechanical reliability was evaluated for the specific alumina and beryllia ceramics now used as microwave windows in the high-power (⩾ kW) high-frequency (⩾60 GHz) gyrotron tubes being developed for plasma heating in fusion systems.

Previous analysis of the stresses generated in the various window configurations and tube operating conditions indicated that significant tensile H. Jory's research works with 1, citations and 1, reads, including: Recent test results on a 95 GHz, multi-megawatt gyrotron Gyrotron oscillators have served as effective sources for electron cyclotron heating (ECH) applications in the area of magnetic confinement fusion.

Successful development programs at frequencies at 28 GHz, 60 GHz, and GHZ, have led to the availability of wide-range gyrotron sources with high-average-power capabilities.

Sinceover pulsed and CW gyrotrons with typical power levels This program developed a kW CW, MHz, multiple beam inductive output tube (MBIOT) for driving accelerator cavities.

The MBIOT operates at 30 kV with a gain of 23 dB. The estimated efficiency is 70%. The device uses seven electron beams, each transmitting A of current. The tube is approximately six feet long and weighs approximately The gyrotron is a new type of microwave tube capable of producing high-power output at millimeter wavelengths.

Oscillator results have been described in recent Soviet publications. This paper describes work in progress to develop oscillators of the gyrotron type to deliver kW CW at 28 and 60 GHz.

Although considerable progress had been made with gyroklystron amplifier stability to the R.S. Symons's 35 research works with citations and reads, including: The linear theory of the Clustered-Cavity[trademark] Klystron This program investigated development of a multiple beam inductive output tube (IOT) to produce 30 MW pulses at MHz.

The program was successful in demonstrating feasibility of developing the source to achieve the desired power in microsecond pulses with 70% efficiency. The predicted gain of the device is    GHz.

Operating with electron gun voltage of 80 kV, this gyrotron has achieved kW of CW output power (with 27% efficiency), kW of output power for me., and kW of output power for 1 ms. The main resonant cavity operates in the TE &I1 mode and The objective of this program is to develop a microwave oscillator capable of producing kW CW power output at 28 GHz.

The use of the gyrotron or cyclotron resonance interaction is being :// An analytic theory has been derived for determining the eigenfrequencies, RF-field distribution and Q of the TEmpq modes of a gyrotron resonator consisting of a circular cylinder joined to a slowly tapered section.

Explicit results are obtained for a linear taper. The cavity modes are found to have an RF-field distribution which is useful for prebunching the electron beam and enhancing :// Stanford Libraries' official online search tool for books, media, journals, databases, government documents and ://?q="Varian+Associates.+"&search_field=search.

The gyroklystron has produced 67 kW peak output power and 28% efficiency in the TE mode with a 55 kV, A annular electron beam.

The full width half maximum (FWHM) bandwidth is    About Connecting the dots between internal knowledge and real-time market information. Findchips Pro brings fragmented sources of data together into a single platform and delivers accurate and contextual answers to your most strategic ://.

Journal Article: Design and simulation of a gyroklystron amplifier. Design and simulation of a gyroklystron amplifier.

Full Record; Other Related Research  an R program for mroe compact and less costly SSA using planar balun circuits and cavity combiners. The status of the project will be reported.

* This work receives supported from the EU in the framework of the FP7/ESFRI/CRISP program. Seventh CW and High Average Power RF Workshop / Book of abstracts 3L. Ives's research works with citations and 1, reads, including: High efficiency, long-life photocathodes