Beamline 9.0

Coherent Optics/Scattering Experiments (9.0.1)

Operational	Now
Source characteristics	10-cm-period undulator (U10)
Energy range	10-800 eV
Monochromator	Either none or an off-axis zone-plate monochromator that will provide a focused beam with bandwidth of about 0.1%
Calculated flux (1.9 GeV, 400 mA)	2.8 x 10¹⁵ photons/s/1%BW/central cone at 457 eV
Resolving power (E/ΔE)	70 (undulator peak width)
Endstations	General purpose
Detectors	Scintillator plus CCD, photodiode, etc.
Samples
Format	Various
Preparation	Can be cryo
Sample environment	Clean high vacuum
Special notes	Endstation separated from beamline by cooled window
Experimental techniques	Coherent scattering, holography, diffraction, correlation spectroscopy
Local contact	Name: Stefano Marchesini Phone: (510) 486-7735 Fax: (510) 486-7696 Email: smarchesini @lbl.gov
Spokesperson	Name: Stephen Kevan Affiliation: University of Oregon Phone: (541) 346-4742 Fax: (541) 346-3422 Email: kevan@darkwing.uoregon.edu

Operational	Now
Source characteristics	10-cm-period undulator (U10) (fundamental)
Energy range	5-30 eV
Undulator beam	White beam (straight undulator beam)
Calculated flux (1.9 GeV, 400 mA)	10¹⁶ photons/s/2.5%BW
Spot size at sample	400 (h) x 350 (v) µm
Monochromator #1	3-m Off-plane Eagle
Calculated flux (1.9 GeV, 400 mA)	10¹⁴ photons/s/0.1%BW
Spot size at sample	170 (h) x 50 (v) µm
Monochromator #2	3-m Off-plane Eagle
Calculated flux (1.9 GeV, 400 mA)	10¹⁴ photons/s/0.1%BW
Spot size at sample	560 (h) x 350 (v) µm
Endstations	Molecular-beam photoelectron/photoion spectroscopy Molecular-beam photoelectron/photoion imaging and spectroscopy Flame chamber Ablation chamber Aerosol chamber Kinetics chamber
Local contact	Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311
Beamline Director	Stephen Leone Affiliation: Univ. of California, Berkeley Phone: (510) 486-4754 Fax: (510) 495-2690
Beamline phone number	(510) 495-2092

Endstation	Molecular-beam photoelectron/photoion imaging and spectroscopy
Characteristics	Multipurpose design for photoion and photoelectron imaging and photoelectron/photoion coincidence experiments
Detectors	Time-of-flight 2-D position-sensitive detectors
Samples
Format	Gas sample
Preparation	Molecular beam, seeded in rare gas Laser ablation source Laser photolysis source Plasma discharge Cryogenic nozzle
Sample environment	Vacuum ~10^-5 Torr
Scientific applications	Spectroscopy and dynamics of clusters, radicals, metastable, and other novel species; fundamental understanding of excitation and relaxation processes in finite-sized many-body systems
Local contact	Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311