Flower-petal mode converter for NLC

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Description

It is important to minimize power loss in the waveguide system connecting klystron, pulse-compressor, and accelerator in an X-Band NLC. However, existing designs of klystron output cavity circuits and accelerator input couplers utilize rectangular waveguide which has relatively high transmission loss. It is therefore necessary to convert to and from the low-loss mode in circular waveguide at each end of the system. A description is given of development work on high-power, high-vacuum `flower-petal` transducers, which convert the TE{sub 10} mode in rectangular guide to the TE{sub 01} mode in circular guide. A three-port modification of the flower petal device, which ... continued below

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3 p.

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Hoag, H. A.; Tantawi, S. G. & Callin, R. April 1, 1993.

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Description

It is important to minimize power loss in the waveguide system connecting klystron, pulse-compressor, and accelerator in an X-Band NLC. However, existing designs of klystron output cavity circuits and accelerator input couplers utilize rectangular waveguide which has relatively high transmission loss. It is therefore necessary to convert to and from the low-loss mode in circular waveguide at each end of the system. A description is given of development work on high-power, high-vacuum `flower-petal` transducers, which convert the TE{sub 10} mode in rectangular guide to the TE{sub 01} mode in circular guide. A three-port modification of the flower petal device, which can be used as either a power combiner at the klystron or a power divider at the accelerator is also described.

Physical Description

3 p.

Notes

OSTI; NTIS; INIS; GPO Dep.

Source

  • PAC `93: international particle accelerator conference,Washington, DC (United States),17-20 May 1993

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  • Other: DE93041074
  • Report No.: SLAC-PUB--6182
  • Report No.: CONF-930511--476
  • Grant Number: AC03-76SF00515
  • Grant Number: FG03-93ER40759
  • Office of Scientific & Technical Information Report Number: 10187785
  • Archival Resource Key: ark:/67531/metadc1401951

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • April 1, 1993

Added to The UNT Digital Library

  • Jan. 12, 2019, 4:41 p.m.

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Hoag, H. A.; Tantawi, S. G. & Callin, R. Flower-petal mode converter for NLC, article, April 1, 1993; United States. (https://digital.library.unt.edu/ark:/67531/metadc1401951/: accessed March 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.