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Development of a compact fast CCD camera and resonant soft x-ray scattering endstation for time-resolved pump-probe experiments
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Image of FIG. 1.
FIG. 1.

Block diagram showing the cFCCD camera system. The camera head with all in-vacuum modules (left) is separated from other components (backend electronics, control I/O, host processor and auxiliary components) by the vacuum-to-air feed-throughs.

Image of FIG. 2.
FIG. 2.

Efficiency of a typical 200 μm thick CCD versus x-ray energy.

Image of FIG. 3.
FIG. 3.

(a) 3D exploded view showing the construction of the cFCCD top board (red arrow indicates the direction of incident x-ray beam). (b) and (c) Arrangement of various boards (top, digitizer and clock feed-through) in folded-up and flat geometries.

Image of FIG. 4.
FIG. 4.

(a) Cross-section view of the cFCCD camera showing the design of the copper cooling block and water channels. (b) Bottom view of the cFCCD showing electronic and water connections. (c) Photographs of the actual cFCCD camera with the mechanical housing removed to reveal its internal construction.

Image of FIG. 5.
FIG. 5.

A CAD model showing the major components of the RSXS chamber.

Image of FIG. 6.
FIG. 6.

Photograph of the detector assembly and the sample cryostat.

Image of FIG. 7.
FIG. 7.

(a) Schematic plot showing the spin and charge orderings in 33% doped (La,Sr)2NiO4. The blue and red dashed rectangles represent the unit cell for charge (hole) and spin orderings, respectively. (b) Phase diagram of (La,Sr)2NiO4 showing the charge (TCO) and spin (TN) ordering transition temperatures with hole concentration. The red represents the doping/temperature where data in panel (d) and (e) were taken (figure reproduced from Ref. 35). (c) Schematic plot illustrating the experimental geometry. (d) The spin-ordering peak recorded at ALS. The incident photon energy was set at Ni L3 edge (854 eV). The exposure time was 100 ms. (e) The spin ordering peak recorded at LCLS. The image is the sum of 15 (8 ms exposure time) single-shot images. (f) Overlay of the vertical traces taken at (H,K,L) = (0.723,δ K, 0) (L = 0) from ALS and LCLS showing the consistent peak width (correlation length).


Generic image for table
Table I.

Summary of detector specifications.

Generic image for table
Table II.

List of feed-throughs on the 10 ″ base flange.

Generic image for table
Table III.

Summary of motorized axes.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Development of a compact fast CCD camera and resonant soft x-ray scattering endstation for time-resolved pump-probe experiments