29-ID - IEX Beamline Layout


Source Characteristics
Electromagnetic Variable Polarizing Undulator
Device Length 4.8 m
Undulator Period 12.5 cm
First Harmonic Range

250 to 2500 eV (Horizontal Linear Polarization)

440 to 2500 eV (Vertical Linear Polarization; Left and Right Circular Polarization)

Gap 10.5 mm
Optical Components
Component Distance from Source Comment
Mirror (M0) 30.5 m Heat-sink, sided bounce
Mirror (M1) 31.3 m Heat-sink, side bounce
Monochromater (M2, LEG, MEG, HEG)

39.7 m

In-Focus VLS-PGM
Exit Slit 59.7 m Both RSXS and ARPES branchlines
Mirror (M3A) 64.3 m Horizontal Focusing (ARPES branch)
Mirror (M4A) 65.1 m Vertical Focusint (ARPES branch)
ARPES focus 66.3 m  
Mirror (M3R) 43.7 m Horizontal Deflecting and Focusing (RSXS branch)
Mirror (M4R) 64.7 m Vertical Focusing (RSXS branch)
RSXS focus 69.7 m  
 
Beam Charactersitics
Grating k0 (lines/mm) cff Resolving Power (E/dE) Flux (photon/sec) Energy Range (eV)
HEG 2400 4.2 50,000 2 x 10^10 250 - 2,000
MEG 1200 2.2

10,000

2,500

2 x 10^11

2 x 10^9

250 - 2,000

2,000 - 3,000

LEG

400

1.5 2,500 4 x 10^12 250 - 1,900
 
Experimental End Stations

Local Contacts:

Jessica Mcchesney (ARPES, RSXS) 630.252.7107

Posted by: Becki Gagnon ( gagnon@aps.anl.gov)
Content by: Jessica McChesney ( jmcchesn@aps.anl.gov)