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Beamline 8.3.2

Tomography

Operational

2001

Source characteristics

Superbend

Energy range

3-45 keV

Monochromator

Double crystal: Si 111 and Si 220

Calculated flux (1.9 GeV, 400 mA)

Radiography station: 700 at 10 keV, 150 at 30 keV, and 50 at 40 keV in units of photons/s/µm2/actual bandwidth over a 3 x 6 cm area

Microscope: variable

Resolving power (E/DE)

Si 111: 7,000; Si 220: 17,000

Endstations

Conventional radiography (10-45 keV)

Zone-plate x-ray microscope (3-15 keV)

Characteristics

Radiography spatial resolution: ~1 µm

Microscope spatial resolution: ~0.1 µm

Detectors

Scintillator plus CCD

Spot size at sample (FWHM)

Radiography: 1-30 mm high, 60 mm wide

Microscope: Zoomable from about 20 to 200 µm

Samples

Format

Universal except for the need to fit within the spot size

Sample environment

Microscope: vaccum (10-2 Torr or atmosphere)

Radiography: atmosphere

Experimental techniques

Tomography

Local contact/Spokesperson

Name: Malcolm Howells
Affiliation: Advanced Light Source, Berkeley Lab
Phone: (510) 486-4949
Fax: (510) 486-7696
Email: mrhowells@lbl.gov

Table of all beamlines