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Update on Laser Heating at the ALS
Simon Clark
Laser heating workshopSaturday March 20th 2004
Who’s who at the ALS?
Who’s who in the high-pressure consortium?
UC Academics
LBNL
COMPRES
LLNL
Paul AlivisatosUCB Chemistry
Raymond JeanlozUCB E&PS
Sarah TolbertUCLA Chemistry
Elise Knittle & Quentin WilliamsUCSC Earth Sciences
Raymond JeanlozUCB E&PS
Abby KavanerUCLA Earth Sciences
Li MingUniv. Hawaii
Elise KnittleUCSC Earth Sciences
Tom SharpeASU
Lou TerminelloLLNL
Patrick AllenLLNL
Joe ZaugLLNL
BL12.2.2
Storage ring tunnel
High Pressure BL Hutch 12.2.2 Sibyls BL Hutch 12.3.1
Control / Analysis Workstations
Facility BL Instrum. Racks
External Walkway Door
Future High Pressure BL Hutch 12.2.1
BL12.2.2 optics overview (end station 1)
Hutch wallanvil
detector
Nanoscience / mat. chemendstation
Nanoscience / mat. chemendstation
BL12.2.2 optics overview (end station 2)
Hutch wall
Solid State Physics /Geoscience end station
End station layout
End station 1: Chemical dynamics
Refocus optics
End station 2: Laser heating
Laser heating optics table
Current end station configuration
Example data
LaB6 ambient in dac
0
5000
10000
15000
20000
25000
0 5 10 15 20 25 30 35
Two-Theta (deg)
Inte
ns
ity
(a
.u.)
LaB6 ambient in dac
0
1000
2000
3000
4000
5000
6000
7000
8000
20 21 22 23 24 25 26
Two-Theta (deg)
Inte
ns
ity
(a
.u.)
P at 21.4GPa
0
500
1000
1500
2000
2500
3000
3500
4000
4500
2 4 6 8 10 12 14 16
Two-Theta (deg)
Inte
nsi
ty (
a.u
.)
Laser heating system in lab.
Schematic of laser heating system
Laser heating goes live!
Heating fluids
Time line for completion of construction
• Jan-Feb 2004: Commission beamline• Beginning March: Install temporary end station equipment• March-April: Collect high-P data and commission beam line• May shutdown: Install end station 1• April-July: Collect P/T data on end station 1• end-July: Install laser heating system and end station 2• August: Commission on line laser heating with Mike Walter• September: Begin operations with consortium members• September 2005: Begin general user program
![localized laser heating in confined environmentarXiv:1203.1789v1 [cond-mat.soft] 8 Mar 2012 Thermocapillary flows and interface deformations produced by localized laser heating in](https://img.pdfslide.net/doc/110x75/5f52cf3236dd8f070953a460/localized-laser-heating-in-conined-environment-arxiv12031789v1-cond-matsoft.jpg)
