CHX

The Coherent Hard X-ray (CHX) beamline at NSLS-II is a synchrotron undulator-based instrument dedicated to nanometer-scale dynamics. The instrument is primarily focused on enabling XPCS (X-ray Photon Correlation Spectroscopy) measurements of speckle fluctuation; measurement of the time correlation function can be used to quantify dynamics. Due to the high coherent brightness of the NSLS-II storage ring, CHX will enable measurements over timescales previously inaccessible.

Although CHX is focused on XPCS, it is also capable of exploiting its high beam coherence in other ways, such as coherent scattering or CDI. Additionally, the beamline is capable of more traditional scattering experiments, such as SAXS and WAXS.

Capabilities

CHX can perform a variety of experiments:

• XPCS
• Coherent scattering
• SAXS
• WAXS
• All of these experiments can also be performed in grazing-incidence mode (e.g. GISAXS).

Performance

TBD

Access

CHX is currently commissioning. In the future, access will be possible through the

See Also

• Official site