Latest from Beam-line 12.0.1-1

Alexei Fedorov

SSG group meetingDecember 13, 2001

What is 12.0.1-1 for?

Who is in?

1. Univ. of Colorado /D. Dessau, A. Fedorov/2. Advanced Light Source /Z. Hussain, A. Fedorov/3. Stanford University / Z.X. Shen, NN/4. Anybody else who needs photons

1. Angle-resolved photoemission /SES100/2. Spin-resolved photoemission /SES200/3. Anything else which needs photons

What is going on?

1. Beam-line is there

2. ARPES end-stationCompleted

3. Spin-resolved chamberGets close

BL 12.0.1-1 Layout

Grating SwitchingmirrorExit SlitM2

M1Jaw

Refocusingmirror

ARPES&SpinChambers

90 91 92 93 94 95 96

Energy (eV)

12.0.1-1

U49/2-PGM1BESSY II

92.0 92.2 92.4 92.6 92.8 93.0 93.2

Energy (eV)

a) 200 linesgrating

b) New grating

± 5 µm

± 10 µm

± 20 µm

Krypton 3d3/2

34 36 38 40 42 44 46

λ= 135.76 A

Undulator Gap (mm)

Undulator scan at 135 Å

242 244 246 248 250 252

Energy (eV)

242 244 246 248 250 252Energy (eV)

245.0 245.5 246.0 246.5 247.0

Energy (eV)

Thanks to:

Everyone in this room/and beyond it/

Epilogue:

BL 12 is fun and I look forward for the long cooperation

Special thanks to:

Zahid HussainPhil Batson

Ken GoldbergGideon Jones