chemRIXS/qRIXS
Instruments
- chemRIXS/qRIXS
- CXI - Coherent X-ray Imaging
- MEC - Matter in Extreme Conditions
- MFX - Macromolecular Femtosecond Crystallography
- TMO - Time-resolved AMO
- TXI - Tender X-ray Instrument
- XCS - X-ray Correlation Spectroscopy
- XPP - X-ray Pump Probe
- SLAC MeV-UED
- LCLS-II-HE Instruments
- CXI Upgrade
- MFX Upgrade
- DXS – Dynamic X-ray Scattering
- XPP Upgrade
- Instrument Maps
- Standard Configurations
Top Links
LCLS Instruments
The combination of exceptionally high flux of monochromatic photons, far exceeding that at current facilities, delivered in the form transform-limited femtosecond X-ray pulses, will make the NEH 2.2 beamline at LCLS-II one with transformational capabilities. It will enable new ways to capture rare chemical events, characterize fluctuating heterogeneous complexes, and reveal quantum phenomena in matter, using chemical, site and orbital-specific resonant techniques that are possible only with X-ray lasers. This facility will provide access to the soft X-ray regime (250 eV to 1.6 keV) to provide fully coherent X-rays in a uniformly spaced series of pulses with programmable repetition rate and rapidly tunable photon energies.
The beamline monochromator will be placed in the Front End Enclosure (FEE). NEH 2.2 beamline will have two separate instruments with fixed interaction points – qRIXS and chemRIXS. In the hutch the qRIXS endstation will be situated upstream, while the chemRIXS endstation will be located downstream. A common set of bendable Kirkpatrick-Baez focusing optics will be used. Individual laser tables optimized for conditioning and delivery of beams with particular parameters will be employed for each endstation. Provisions for a third, roll-up station will be considered.
Beamline Specifications
Parameter | Requirement | Comment |
---|---|---|
Photon Energy Range [eV] | 250-1600 |
|
Beamline Transmission [%] |
1 - 2
|
|
Bandwidth Control [Resolving Power] |
50,000 2,000 |
|
Specifications Experimental Spot Size Range
|
3-1,000 3-1,000 |
|
Beam Position Stability [% of FWHM] |
<10 | |
Pulse Stretching | <2 x Transform Limit |
|
Lasers |
Visible to THz Visible to NIR |
|
chemRIXS/qRIXS Links
chemRIXS/qRIXS Instrument Team
Georgi Dakovski
NEH2.2 Instrument Lead Scientist
(650) 926-5703
dakovski@slac.stanford.edu
Frank O’Dowd
Instrument Engineer
(650) 926-3332
fodowd@slac.stanford.edu
Kristjan Kunnus
Scientist
(650) 926-2829
kristjan@slac.stanford.edu
Giacomo Coslovich
Laser Scientist
(650) 926-5091
gcoslovich@SLAC.Stanford.EDU