West Coast Light Sources

Simon Clark

2004 COMPRES Annual MeetingGranlibakken Resort and

Conference Center, Lake Tahoe, California

June 19-22, 2004

West Coast Light Sources

• Advanced Light Source, Berkeley

• SPEAR3, SLAC

• SPPS, SLAC

• LCLS, SLAC

Who was who at the ALS

Who’s who at the ALS?

?

Three beam lines for high-pressure

• BL11.3 DAC powder and single crystal x-raydiffraction

• BL1.4 DAC infra-red spectroscopy

• BL12.2.2 DAC XAS and x-ray diffraction resistive and laser heating

Support facilities

• HP lab Gasket prep., cell loading, Raman

• Ruby line

• Software JCPDS, Fit2d …….

BL11.3

Understanding strength in materials: OsB2

Understanding strength in materials: OsB2

0.92

0.93

0.94

0.95

0.96

0.97

0.98

0.99

1

1.01

0 5 10 15 20 25 30 35

Pressure (GPa)

Fra

cti

on

al

Vo

lum

e C

om

pre

ss

ibil

ity

Run 1

Run 2

Bo = 395 GPa

BL1.4

BL1.4: Study of Talc and 10A phase

BL1.4: Study of Talc and 10A phase

BL12.2.2

Current end station configuration

First experiment

Compression of white phosphorous

0

1000

2000

3000

4000

5000

6000

7000

8000

0 5 10 15 20 25

Two theta (degrees)

Inte

nsi

ty (

a.u

.)0.14 GPa bcc

0.28 GPa bcc

0.75 GPa bcc

1.22 GPa bcc

1.57 GPa bcc

1.5 GPa bcc

1.79 GPa bcc

2.67 GPa bcc+o

3.76 GPa bcc+o

4.1 GPa o

7.3 GPa r

13.6 GPa sc

17.2 GPa sc

22.4 GPa sc

First experiment

Volume compression of white phosphorous

7

8

9

10

11

12

13

14

15

16

17

0 5 10 15 20 25 30

Pressure (GPa)

Mo

lar

volu

me

(cc)

bcc

orthorhombic

hexagonal

simple cubic

orthorhomic from K&I

hexagonal from K&I

simple cubic from K&I

hexagonal on depress.

ortho. on depress.

Laser heating system in lab.

Schematic of laser heating system

Laser heating goes live!

Heating fluids

Outline development plan for beam line 12.2.2

Beam line Construction Phase

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

200

2

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

200

3

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

200

4

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

200

5

ConceptualDesignReview

Beam lineDesignReview

Beam lineReady for

Commissioning

End StationReady for

Commissioning

BeginPRT

Operation

BeginUser

Operation

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

200

6

StartProject

OrderLong LeadTime Items

Beam line Design Phase

Beam line Construction Phase Commissioning Phase

Honeymoon Period: PRT Only Operation

PRT and General User Operation

OutlineProposal

Submitted

FullProposal

Submitted

Summary

• ALS• Beamlines 11.3 and 1.4 fully operational• Beamline 12.2.2 in commissioning with friendly users

• SPEAR3 • No plans as yet

• SPPS• First test experiments this year

• LCLS• Letter of intent submitted• Proposal for development program submitted