LCLS Conceptual Design Report - Stanford Synchrotron Radiation ...

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A.4.1.12 Undulator Tolerances L C L S C O N C E P T U A L D E S I G N R E P O R T Parameter Name Low Energy High Energy All Energies Unit Transverse good field width 1000 µm Max. trajectory walkoff per 10 m @ 15 GeV 5 µm First magnetic field integral supression 5 G cm Phase error < 2 degrees Relative BPM resolution 1 µm RMS magnet error Delta B/B 0.1 % Transverse quadrupole location jitter < 100 nm Quadrupole pole field error < 2 % Magnet block error Delta B/B (rms) ±1 % Magnet block easy axis angle error ±1 degree Delta B/B (rms) after random assembly 0.66 % Delta B/B (rms) after sorted assembly 0.1 % Pole gap variation ±0.003 mm Neighbor pole gap difference ±0.050 mm Period variations between neighbor poles ±0.050 mm Period variations: accumulated error ±0.050 mm Pole thickness -0.05 mm Pole transverse displacement ±0.20 mm Pole displacement in Z direction (top and ±0.10 mm Pole face parallelism (top and bottom) < 0.1 mm Pole face parallelism (angle may open < 0.1 degree Pole gap rotation around Z over whole < 0.3 degree Undulator sag in Y direction due to its < 0.002 mm Undulator gap adjustment (possible) ±0.005 mm Undulator gap adjustment (resolution) 0.001 mm Undulator end motion (top and bottom) 0.080 mm Undulator end motion (resolution) < 0.001 mm Supporting pillar alignment: X direction ±2.0 mm Supporting pillar alignment: Y direction ±0.5 mm Supporting pillar alignment: Z direction ±2.0 mm Pitch, roll and yaw of pillars 0.75 mrad Undulator vertical and horizontal remote ±2.0 mm Undulator vertical and horizontal remote < 0.002 mm Drive system installation accuracy on ±0.5 mm Drive system installation accuracy on ±0.05 mm Drive system installation accuracy on ±1.0 mm A-22 ♦ P A R A M E T E R T A B L E S
L C L S C O N C E P T U A L D E S I G N R E P O R T A.4.1.13 Segment Alignment Tolerances Parameter Name Low Energy High Energy All Energies Unit Horizontal segment location tolerance 250 µm Vertical segment location tolerance 100 µm Longitudinal segment location tolerance 500 µm Segment roll tolerance 1000 µrad Segment yaw tolerance 50 µrad Segment pitch tolerance 250 µrad A.4.1.14 Quadrupole Alignment Tolerances Parameter Name Low Energy High Energy All Energies Unit Horizontal quadrupole location tolerance 100 µm Vertical quadrupole location tolerance 100 µm Long. quadrupole location tolerance - µm Quadrupole roll tolerance 10 mrad Quadrupole yaw tolerance - mrad Quadrupole pitch tolerance - mrad A.4.1.15 BPM Alignment Tolerances Parameter Name Low Energy High Energy All Energies Unit Transverse BPM alignment tolerance 50 µm P A R A M E T E R T A B L E S♦ A-23
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Linac Coherent Light Source (LCLS)
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L C L S C O N C E P T U A L D E S I
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Preface This Conceptual Design Repo
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Table of Contents 1 Executive Summa
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6. Two experiment halls L C L S C O
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2.7.1.7 Conventional Facilities L C
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3 TECHNICAL SYNOPSIS Scientific Bas
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5 TECHNICAL SYNOPSIS FEL Parameters
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and the total peak beam power L C L
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5.4.2.2 Case II - High Charge Limit
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∆P ∆I sat pl / P / I sat pk L C
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5.9 Summary L C L S C O N C E P T U
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6 Injector TECHNICAL SYNOPSIS The i
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εn,x (µm) 4 3 2 1 4-2001 8560A95
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Quantum Yield (electrons/photon) 10
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Bz (T) 0.3 0.2 0.1 1-2002 8560A92 L
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Master Clock 9.917 MHz x8 x6 x6 Df
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1-2002 8560A198 Linac Center Line L
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B z (kG) 3 2 1 4-2001 8560A91 L C L
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γε x,y (µm) 3 2 1 0 3-2001 8560A
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γεx,y (µm) yn 10 0 -10 -10 0 10
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σ γ /γ 0 (percent) ∆N/N 0.02 0
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5 0 -5 5 0 -5 5 0 -5 L C L S C O N
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Table 6.5 PARMELA Output Parameters
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gama x (micro.m) 3 2 1 0 0 L C L S
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∆E/E 0 (%) ∆N/N 0 -1 -2 0.02 0
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〈∆E/E 0 〉 /% I pk /I pk0 0.1
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β (m) 35 30 25 20 15 10 5 0 K21_1B
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β (m) 60 50 40 30 20 10 0 L C L S
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economic reasons. L C L S C O N C E
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Phase [deg. S-band] L C L S C O N C
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New Solid-State Sub-Booster and Ele
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7.8.2 Bunch Length Diagnostics L C
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Magnet String Location Existing, Ne
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8.1 Overview 8.1.1 Introduction L C
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Mu in the pole, for mu
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Gasload (Torr-l/sec-cm) (x10 -12 )
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8.10.4 Conclusion L C L S C O N C E
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x θ j > 0 L C L S C O N C E P T U
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Quad ∆X/µm Quad ∆Y/µm −500
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∆X/µm ∆Y/µm L C L S C O N C E
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8.13.2 Undulator Cell Structure L C
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9.2 Layout and Optics 9.2.1 Experim
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Fast Valve L C L S C O N C E P T U
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0.01 10 -4 10 -6 10 -8 10 -10 10 -1
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Table 9.5 Mirror requirements L C L
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Refractive Focusing System L C L S
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Pulse Split/Delay L C L S C O N C E
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Figure 9.20 LCLS Ion Chamber L C L
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9.4.3.2 Pulse Length L C L S C O N
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9.4.3.6 Divergence L C L S C O N C
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10 Conventional Facilities TECHNICA
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1-2002 8560A198 Linac Center Line L
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Figure 10.6 Near hall floor plan 10
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11 Controls TECHNICAL SYNOPSIS The
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11.5.3 Motion Controls L C L S C O
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12.1 Procedural Overview L C L S C
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13 Environment, Safety and Health a
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Table 13-1 Hazard Identification an
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13.1 Ionizing Radiation The design
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Table 13-2 Minimum Training Require
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Page 515 and 516: 15 TECHNICAL SYNOPSIS Work Breakdow
Page 519 and 520: A A.1 FEL-Physics A.1.1 Performance
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Page 525 and 526: A.2.4.7 Vacuum L C L S C O N C E P
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Page 535 and 536: A.4 Undulator A.4.1 Undulator A.4.1
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Page 543 and 544: B Control Points B.1 Injector Contr
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