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Beamline 1.4.4 Print

 

Infrared spectromicroscopy

 

Scientific disciplines: Biology, correlated electron systems, environmental science, geology, chemistry, polymers, soft materials

 

GENERAL BEAMLINE INFORMATION
Operational Yes
Proposal cycle Proposals for General Sciences Beamlines (6-month cycle)

Source characteristics

Bend magnet

Energy range

0.05–1.5 eV

Frequency range

800 - 10,000 cm-1

Interferometer resolution

up to 0.125 cm-1

Endstations

Thermo Nicolet Nexus 870 FTIR, Continuum XL IR microscope (N2 purged)

Characteristics

Computerized sample stage, 0.1-micron resolution; reflection, transmission, and attenuated total reflectance (ATR) modes; differential interference contrast (DIC), polarizing and UV fluorescence optics

Spatial resolution

Diffraction-limited (~wavelength); x-y stage with 0.1 micron accuracy

Detectors

MCT-A*, XL MCT array

Spot size at sample

2-10 µm (diffraction-limited)

Sample preparation

Stereo microscope, prep table, bio-hood, incubator, ALS user wet and biological labs available

Sample environment

N2 purged, minimal clean area (no particle specification), microcryostat/heater stages available for 4.2–730 K

Scientific disciplines Biology, correlated electron systems, environmental science, geology, chemistry, polymers, soft materials

Scientific applications

Biological samples, environmental samples, forensic studies, polymers, fibers, particulate contamination, samples at high pressure in diamond anvil cells

Local contact / Spokesperson

Michael C. Martin
Advanced Light Source, Berkeley Lab
Phone: (510) 495-2231
Fax: (510) 495-2067

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Advanced Light Source, Berkeley Lab
Phone: (510) 486-7519
Fax: (510) 495-2067

Beamline phone number

(510) 495-2014

 

More information about IR research at the ALS is available on the Infrared Beamlines Web site.