Abstract
The near infrared (NIR) part of the infrared synchrotron beam is usually discarded to improve the signal to noise ratio of spectral imaging at the Australian Synchrotron. In this study, NIR synchrotron beam has been extracted and used for three-dimensional (3D) imaging. A Fresnel zone aperture (FZA) was fabricated on barium fluoride windows using femtosecond ablation. The 3D point spread functions (PSFs) were recorded using the FZA mounted between the pinhole and the image sensor. An object is then placed within the boundaries of the PSF library and an object intensity distribution was recorded. Computational reconstruction methods were applied to reconstruct the object information.
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