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  3. ChemRIXS
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  • chemRIXS
    • Science Goals
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    • Specifications
    • Standard Configurations
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chemRIXS Specifications

The chemRIXS instrument is comprised of a sample chamber, designed with emphasis on soft X-ray spectroscopy experiments on liquid samples.  The instrument is equipped with a suite of detectors allowing for XAS and RIXS/XES measurements.  

The endstation is designed to support automated sample transfer via a retractable delivery system.  A sample catcher coupled to a re-circulation system will be implemented. 

chemRIXS

Beamline Specifications

Parameter

Requirement

Note

Photon Energy Range [eV]

250-1600

  • Oxygen K-edge 3rd harmonic rejection of >10-5

  • Experiments on rare earth M-edges

Beamline Transmission [%]

1 - 2

In monochromatic mode at beamline resolving power of low-resolution grating (LRG).

Bandwidth Control
[Resolving Power]

  • 2,000 (LRG)

  • 50,000 (HRG)

LRG is compatible with very high temporal resolution, temporal pulse stretching <30 fs.

Specifications Experimental 
Spot Size Range

a. Horizontal [μm]

b. Vertical [μm]

a. 3-1,000
b. 3-1,000

Spot size adjustable to each end station interaction location

Beam Position Stability
[% of FWHM]

<10

 

Pulse Stretching

<2  x  Transform Limit

This requirement should be achievable for all RP modes of operation and at all photon energies in the range specified

Lasers

  • Visible to THz

  • Visible to NIR

  • For correlated materials studies

  • For chemistry applications

chemRIXS Contacts

Kristjan Kunnus

chemRIXS Instrument Lead Scientist
(650) 926-2829  
kristjan@slac.stanford.edu

David J. Hoffman

Instrument Scientist  
(650) 926-3530  
djhoff@slac.stanford.edu

Douglas Garratt

Instrument Scientist  
(650) 926-2968
dgarratt@slac.stanford.edu

Raybel Almeida

Area Manager
(650) 926-3370
rayalm@slac.stanford.edu

Matt Bain

Laser Scientist  
(650) 926-4782
mattbain@slac.stanford.edu

Quentin Yougoubare

Mechanical Engineer  
(650) 926-4128  
qyou@slac.stanford.edu

Jyoti Joshi

Controls Engineer  
(650) 926-3065  
jjoshi@slac.stanford.edu

Christina Hampton

Sample Delivery 
(650) 926-2081
cyh0824@slac.stanford.edu

Peter Nguyen

Science & Engineering Associate 
(650) 926-4787 
nguyenpk@slac.stanford.edu

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chemRIXS Control Room
(650) 926-7468

chemRIXS Hutch
(650) 926-7943
(650) 926-7947

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