Soft X-Ray Instruments Update

Michael P. MinittiSoft X-ray Department Head

AMO Personnel Update:

Peter Walter James Cryan (50%)

Stefan Moeller

Xiang Li (KSU) (till June 2018)Ave Gatton

Soft X-Ray Capabilities: Improved transmission of AMO beamline

• Before and after transmission measurements for AMO beamline (below)• Thanks to P. Walter & P. Heimann

Soft X-ray Capabilities:Versatile Portable Soft X-ray Spectrometer

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Cu Lα1,2929.7eV Cu Lβ1

949.8eVCu Ll811.1eV

Optimized Cu emission spectrum

• Resonant Inelastic X-ray Scattering (RSXS) • Time resolved chemistry and correlated electron systems studies (LAMP, LJE)• Emission from gas phase targets (LAMP, LJE)

*LCLS and N. Berrah at U.Conn.

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AMO Standard Configuration #1 (Imaging)

• X-Rays

o 450 to 2000 eV

o Two-color FEL, and two-pulse operations allowed

• Optical Laser

o ~50 fs, 800 nm, 400 nm, 1300-2400 nm

• Time-tool – behind pnCCD

• Top mounted Parker valve, double skimmer

• Front pnCCD plane and TOF

https://lcls.slac.stanford.edu/instruments/amo/standard-configurations

https://lcls.slac.stanford.edu/sites/lcls.slac.stanford.edu/files/lcls-docs/AMO%20Parameter_Table_Imaging_Run17.docx

Link to required parameter table

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AMO Standard Configuration #2 (Spectroscopy)

• X-Rayso 350 to 2000 eVo Two-color FEL, and two-pulse, and SXRSS operations allowed

• Optical Lasero ~50 fs, 800 nm, 400 nm, 1300-2400 nm

• Time-tool – behind pnCCD• Top mounted Even-Lavie valve, double skimmer• Sienta EW-4000 analyzer and downstream VMI spectrometer

https://lcls.slac.stanford.edu/instruments/amo/standard-configurations

https://lcls.slac.stanford.edu/sites/lcls.slac.stanford.edu/files/lcls-docs/AMO%20Parameter_Table_Spectroscopy_Run17.docx

Link to required parameter table

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SXR Standard Configuration #1 (XAS)

• X-Rayso 475 to 600 eV (possibly more)o SXR mono (1000-2000 RP), 0th & 1st order, DELTA

• Optical Lasero ~50 fs, 800 nm, 400 nm, or 267 nmo Visible to NIR (480 nm – 2400 nm)

• TSS time-tool • LCLS supplied stage layout for sample & reference arms • One plane of pnCCD

https://lcls.slac.stanford.edu/instruments/sxr/standard-configurations

https://lcls.slac.stanford.edu/sites/lcls.slac.stanford.edu/files/lcls-docs/SXR%20Parameter_Table_XAS_Run17.docxLink to required parameter table

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SXR Standard Configuration #2 (RSXS)

• X-Rayso 390 to 2000 eV SASE, 700-1200 eV DELTAo SXR mono (1000-2000 RP), 0th & 1st orders, DELTA

• Optical Lasero ~100 fs, 800 nmo 1150-2400 nm, 4 !m-17 !m (HE-TOPAS)

• TSS time-tool • RSXS sample manipulator • 2 APDs, MCP (in-vacuum), soft X-ray VLS spectrometer at 90°

https://lcls.slac.stanford.edu/instruments/sxr/standard-configurations

https://lcls.slac.stanford.edu/sites/lcls.slac.stanford.edu/files/lcls-docs/SXR-parameter-table-RSXS-run17.docxLink to required parameter table