Fabrication of a high-field short-period superconducting undulator

G. Ingold; I. Ben-Zvi; L. Solomon; M. Woodle

doi:10.1016/0168-9002(95)01207-9

Fabrication of a high-field short-period superconducting undulator

G. Ingold
, I. Ben-Zvi
, L. Solomon
, M. Woodle

Physics and Astronomy

Stony Brook University

Helmholtz Centre Berlin for Materials and Energy
Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The visible free electron laser (FEL) experiment at the accelerator test facility (ATF) at Brookhaven National Laboratory is designed to utilize the high brightness beam from a laser-photocathode rf gun injected into a 50 MeV S-band linac in conjunction with a 8.8 mm period undulator. The undulator is designed to provide a 0.5 T field on axis which is reached at a current 15% below the quench current. It consists of 3 contiguous sections. We discuss the field errors by evaluating the trajectory wander and the optical phase error. Whereas undulator sections with low errors can be built as machined without any shimming or trimming, special care has to be taken during the assembly of a full length device.

Original language	English
Pages (from-to)	451-455
Number of pages	5
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	375
Issue number	1-3
DOIs	https://doi.org/10.1016/0168-9002(95)01207-9
State	Published - Jun 11 1996

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title = "Fabrication of a high-field short-period superconducting undulator",

abstract = "The visible free electron laser (FEL) experiment at the accelerator test facility (ATF) at Brookhaven National Laboratory is designed to utilize the high brightness beam from a laser-photocathode rf gun injected into a 50 MeV S-band linac in conjunction with a 8.8 mm period undulator. The undulator is designed to provide a 0.5 T field on axis which is reached at a current 15\% below the quench current. It consists of 3 contiguous sections. We discuss the field errors by evaluating the trajectory wander and the optical phase error. Whereas undulator sections with low errors can be built as machined without any shimming or trimming, special care has to be taken during the assembly of a full length device.",

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AU - Ingold, G.

AU - Ben-Zvi, I.

AU - Solomon, L.

AU - Woodle, M.

PY - 1996/6/11

Y1 - 1996/6/11

N2 - The visible free electron laser (FEL) experiment at the accelerator test facility (ATF) at Brookhaven National Laboratory is designed to utilize the high brightness beam from a laser-photocathode rf gun injected into a 50 MeV S-band linac in conjunction with a 8.8 mm period undulator. The undulator is designed to provide a 0.5 T field on axis which is reached at a current 15% below the quench current. It consists of 3 contiguous sections. We discuss the field errors by evaluating the trajectory wander and the optical phase error. Whereas undulator sections with low errors can be built as machined without any shimming or trimming, special care has to be taken during the assembly of a full length device.

AB - The visible free electron laser (FEL) experiment at the accelerator test facility (ATF) at Brookhaven National Laboratory is designed to utilize the high brightness beam from a laser-photocathode rf gun injected into a 50 MeV S-band linac in conjunction with a 8.8 mm period undulator. The undulator is designed to provide a 0.5 T field on axis which is reached at a current 15% below the quench current. It consists of 3 contiguous sections. We discuss the field errors by evaluating the trajectory wander and the optical phase error. Whereas undulator sections with low errors can be built as machined without any shimming or trimming, special care has to be taken during the assembly of a full length device.

UR - https://www.scopus.com/pages/publications/0030168626

U2 - 10.1016/0168-9002(95)01207-9

DO - 10.1016/0168-9002(95)01207-9

M3 - Article

SN - 0168-9002

VL - 375

SP - 451

EP - 455

JO - Nuclear Inst. and Methods in Physics Research, A

JF - Nuclear Inst. and Methods in Physics Research, A

IS - 1-3

ER -

Fabrication of a high-field short-period superconducting undulator

Abstract

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