Focal plane array IR imaging at the Australian Synchrotron

M.J. Tobin, J. Vongsvivut, D.E. Martin, K.H. Sizeland, M.J. Hackett, R. Takechi, N Fimorgnari, V. Lam, J.C. Mamo, E.A. Carter, B. Swarbrick, P.A. Lay, D.A. Christensen, D. Perez Guaita, E. Lowery, P. Heraud, B.R. Wood, L. Puskar, K.R. Bambery

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A Focal Plane Array FTIR microscope has successfully been coupled to the IRM beamline at the Australian Synchrotron, following the method pioneered at previous beamlines at the SRC and NSLS I synchrotrons, whereby a wide aperture of synchrotron light is split into multiple beams and spatially reconfigured to match the entrance aperture of the FTIR instrumentation. Imaging performance has been assessed using a selection of polymer and biological samples, providing diffraction-limited sub-cellular lateral resolution in the biological materials. We have demonstrated that improved collection times at high lateral resolution are possible, when compared with single element point-mapping microspectroscopy, though this is achieved with a trade off in spectral noise. Future improvements in the use of an FPA detector at the Australian Synchrotron are proposed, including removal of coherent interference and installation of a dedicated beam extraction port for FPA microspectroscopy.

Original languageEnglish
Pages (from-to)85-90
Number of pages6
JournalInfrared Physics and Technology
Publication statusPublished - 1 Nov 2018

Cite this

Tobin, M. J., Vongsvivut, J., Martin, D. E., Sizeland, K. H., Hackett, M. J., Takechi, R., Fimorgnari, N., Lam, V., Mamo, J. C., Carter, E. A., Swarbrick, B., Lay, P. A., Christensen, D. A., Perez Guaita, D., Lowery, E., Heraud, P., Wood, B. R., Puskar, L., & Bambery, K. R. (2018). Focal plane array IR imaging at the Australian Synchrotron. Infrared Physics and Technology, 94, 85-90.