SAXS/WAXS SAXS/WAXS Conversion for Conversion for Beamline 7.3.3Beamline 7.3.3

Engineering ReviewEngineering Review

Beamline LayoutBeamline Layout

BeamlineOptics

Shutter& Slits

PSS

FrontEnd

ShieldWall

MicroscopeRoom

XRayHutch

InstrumentRack

Beamline OpticsBeamline Optics

MultilayerMono

Double BeWindow

PEEM2Branchline M1

MirrorPrimary

Slits

MonoBPM

M1BPM

Brems.Collimator

Slits & ShutterSlits & Shutter

PrimaryScatter

Slits

SecondaryScatter

Slits

ShutterAssembly

Ion Pump&

Valve Tree

GateValve

MicaWindow

End StationEnd Station

Gimble

SAXSDetector

WAXSDetector Flight

Tube

SampleStage

DetectorGantry

Beam-StopGantry

DetectorPlatformSample

Platform

Shutter

SlitsValve

Slits

Major Beamline ModificationsMajor Beamline Modifications• Add Double Beryllium Window• Move BPM Downstream• Install Mono Where BPM Was• Remove Carbon Filters• Raise Mirror and Slits 6mm• Remove Downstream Be Window & Valve Tree• Install Shutter Where Be Window Was• Install ADC Slits Upstream of Shutter & Cut

Small Clearance Hole in Microscope Room Wall• Install ADC Slits Just Inside Hutch• Install Mica Window After Final Slits

Current StateCurrent State

EmptySpool

PEEM BL

BPM

Brems.Collimator

CarbonFilters

M1Mirror

PEEM Spool Support ReplacementPEEM Spool Support Replacement

RemoveStand

Replace WithUni-Strut

Critical Points & AperturesCritical Points & Apertures

FrontEnd Aperture

Double Be Window

MultilayerMono

M1 MirrorPrimaryAperture

PrimarySlits

ShutterSecondar

ySlits

Detector

Position (m)13.652 14.227 16.034 16.741 30.099 30.593 31.562

32.6 to 36.3

VerticalOpening (mm)

8

Horizontal Opening (mm) 8

Material Be 2 X

125μm

Mo/B4C

d = 2 nm

Stainless

Steel

Double Be Window DesignDouble Be Window Design

Be Window Stress AnalysisBe Window Stress Analysis

125μ Be Window Thickness33.6°C Temperature Rise113MPa Maximum Stress3X Safety Factor

Multilayer Mono Design GoalsMultilayer Mono Design Goals

• Optimized for 10 keV• Limited scanning range• Side water cooled• No in-vacuum water joints• Compact footprint

Mono ChamberMono Chamber

ElectricalFeedthroughs

AlignmentViewport

BPM

Water-TubeFeedthroughs Goniometer

CFF 6”Viewports

Mono InteriorMono InteriorRotating

ArmRadiationShroud

WaterTube

Aperture

BeamScraper

Cooled1st Crystal

Floating2nd Crystal

Kinematic Crystal MountKinematic Crystal Mount

LVDTs

SpringClamps

StabilizingSprings

CantileveredMountsPico-Motors Tungsten-

CarbideRods

Heating of First MultilayerHeating of First Multilayer

Tangential Surface DeformationTangential Surface Deformation

Tangential Surface DeformationTangential Surface Deformation

Cool Side Hot Side

Water Cooled ShutterWater Cooled ShutterNM Laser Shutter LSX055Power Dissipation: 45-65W

ElectricalFeedthrough

CoolingBlockShutter

WaterTubing

CFF 8”Viewport