navigation bypass navigation contact us ring status schedules user guide links notices user sites people and policies jobs safety publications meetings microscopes specifications About the ALS science highlights ALSNews home
 

 


 

Beamline 1.4.4

Infrared spectromicroscopy

Operational

Now

Source characteristics

Bend magnet

Energy range

0.05–1.5 eV

Frequency range

400–12,000 cm-1

Interferometer resolution

0.125 cm-1

Endstations

Thermo Nicolet Nexus 870 FTIR, Continuµm 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)

Detectors

MCT-A*, MCT-B (mercury cadmium telluride), 28-element MCT-A* array, and InSb

Spot size at sample

3-10 µm (diffraction limited)

Samples

Preparation

Stereo microscope, table, 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 applications

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

Local contact/spokesperson

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

Table of all beamlines
Diagram of all beamlines