Manual_Positions

SMALL BEAM SETUP 

11/10/2019
SMALL BEAM FOR SG1 ARPES.
Z MIRROR (PVA)="XPS" (+8 TURNS from "0"; +14 TURNS from "RIXS")
POSTVERA PITCH=-7900 
POSTHORA PITCH=-41600; 
Beam size: 100? micron
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PREVIOUS VALUES FOR XPS SMALL BEAM <50 micron?
Z MIRROR POSITION: tacca "0"
POSTVERA PITCH=-6250 SG1
POSTHORA PITCH=-44100 SG1

POSTVERA PITCH=-6300 SG2
POSTHORA PITCH=-45000 SG2

POSTVERA PITCH=-5850 SG3
POSTHORA PITCH=-45000 SG1

LARGE BEAM SETUP: 

Z MIRROR POSITION: -6 (partendo da "0" -6 giri verso posizione RIXS)
POSTVERA PITCH=-7600 SG3 (2019)
POSTHORA PITCH=-43200 SG3 (2019)

POSTVERA PITCH=--7600 SG1 (2019)
POSTHORA PITCH=-41700 SG1 (2019)

POSTVERA PITCH=-8150 SG2
POSTHORA PITCH=-45300 SG2






XPS x y z theta    
e beam center FEDE 27.9 30 9.95 180    
PBN-center
(Au norm emiss)
26 30.2 10.1 237.5    
PBN-center 28 30.12 10.0 (0.5) 180 NI Ag110 Feb2015
PBN-center 28.8 28.79 10.0 (0.5) 239 NE  
PBN-Pt111 low, right 22.8 29.07 10.1(1.5) 180 NI Sept2018
PBN-Pt111 low, righ 25.55 31.1 10.1(1.5) 240 NE Sept2018
PBN-Pt111 low, righ 26.15 31.95 10.1(1.5) 250 NEXAFS Sept2018
Si-Center 24.44 29.19 10.0(2.4) 231.5    
Si-Center NI 31.5 30.4 10.0(2.4) 178.5    
Si-Center NE 29.26 29.24 10.0(2.4) 236.5    
Au manip 29.2 27.4 11.4 (2.0) 180    

x>25 at NI at GI decrease x
x<25 at NI at GI increase x

MIRROR POSITIONS spot size PostHorA PostVerA PostVer z
SG1-XPS
(sep. 2012)
200x300 -55000 sept 2012/ -48800 oct 2013 -6900 MARKER about on the 0
and label on the wheel "RIXS"
(2013, only for XPS. FOR XAS the intensity improves at rixs+16)

xps=rixs+10 and 1/4 turn
SG2-XPS (sep. 2012)   -53400 sept 2012/ -51300 oct 2013 -6900  
SG3-XPS (sep. 2012)   -51500
(-55000 is also ok)/ -50400 oct 2013
-6900  
SG4-XPS
(sep. 2012)
  -55000 sept 2012/ ....... -6900  
SG4-RIXS 20x300 -42000 -2484 rixs-6 turns
    H Moves from the ring to out of the ring: - to + V moves from down to up: - to +  

RIXS x y z theta
PBN-center 18.7? 27 10.65 178.5
  15.6? 30?   120
         
dimension/HOR/VER 20x300 -43000 -2484  
 




OLD MIRROR POSITIONS FOR VSW ANALYSER, CURRENTLY NOT INSTALLED (REPLACED BT SCIENTA3000)
XPS-VSW (OLD!!!
DO NOT USE THESE VALUES)
spot size PostHorA (VSW, old) PostVerA (VSW, old) PostHor z
SG1-XPS 200x300 -45087 VSW (old) -8000 xps=rixs+10
SG2-XPS   -49000 VSW (old)    
SG3-XPS   -46939 VSW (old)    
SG4-XPS   -47250 VSW (old)    
SG4-RIXS 20x300 -42000  -2484 rixs-6
    H Moves from the ring to out of the ring: - to + V moves from down to up: - to +  

NOTE: These are old positions, valid only for VSW

Micrometro prevert pitch dentro hutch (lungo in fascio): 26 mm (9/12/2009). Era: 23 mm il 8/12/2009. Da 26 a 23 il preverpitch si e' spostato di circa 600 micron verso valori piu' bassi (da oltre 400 a -186).

Ultima modifica il Giovedì, 31 Ottobre 2019 13:57