LCLS Conceptual Design Report - Stanford Synchrotron Radiation ...

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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.4.1.6 Electron Beam inside Undulator Parameter Name Low Energy High Energy All Energies Unit Electron beam radius (rms) 32 28 µm Electron beam divergence (rms) 4.3 1.5 µrad Max undulation angle 418 132 µrad Max. pk-pk undulation amplitude 4.0 1.3 µm Max disp. function for ideal undulator 98 31 µm A.4.1.7 Vacuum System Parameter Name Low Energy High Energy All Energies Unit Vacuum chamber height OD 6 mm Vacuum chamber wall thickness 0.5 mm Vacuum chamber material copper plated stainless steel Bunch frequency 8.2 10 12 s -1 Skin depth 58 nm Max inner surface roughness 0.050 µm Beam pipe straightness 200 µm / m Vacuum pressure < 10 -7 mbar A.4.1.8 <strong>Radiation</strong> Damage Parameter Name Low Energy High Energy All Energies Unit Expected radiation dose per year 4 kGy Rad. to damge mag. face Delta B/B_(r)=1 % 100 kGy A.4.1.9 Temperature Stability Parameter Name Low Energy High Energy All Energies Unit Tunnel temperature stability 1 K Und. water systems temp. stability 0.1 K A-20 ♦ 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.4.1.10 Static Electron Beam Tolerances Parameter Name Low Energy High Energy All Energies Unit Electron energy stability 0.05 0.05 % Peak current stability 20 20 % Max. correlated rms energy spread 0.001 0.001 Max. uncorrelated rms energy spread 0.0007 0.0002 Horizontal and vertical beta matching 2 2 % Max. horizontal and vertical dispersion 0.004 0.004 m Max. horizontal and vertical dispersion 0.0010 0.0002 Max. normalized slice emittance 1.2 1.2 µm rad Max. normalized projected emittance 1.6 1.6 µm rad Max. launch position error 6 6 µm Max. launch angle error 0.9 0.3 µrad A.4.1.11 Pulse-to-Pulse Electron Beam Tolerances Parameter Name Low Energy High Energy All Energies Unit Electron energy stability 0.05 0.05 % Peak current stability 20 20 % Max. correlated rms energy spread 0.001 0.001 Max. uncorrelated rms energy spread 0.0006 0.0002 Pulse-to-pulse angular stab. (rms) 6.3 5.5 µrad Pulse-to-pulse positional stability (rms) 0.9 0.3 µm P A R A M E T E R T A B L E S♦ A-21
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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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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 543 and 544: B Control Points B.1 Injector Contr
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