New Computational Technique Resolves Compressed X-ray Data

The study with high-energy X-ray; such as those that will be producing by the upgrade to Argonne’s Advanced Photon Source; comes a potential hitch the more penetrating the X-rays are; the higher a likelihood that researchers could run into problems with the image data.

In a new study, researchers have found a novel way to combat this image degradation. Argonne develops novel technique method; to more clearly see complex materials physics in difficult-to-access environments. With the right tools, scientists can have Superman-like X-ray vision that reveals hidden features buried within objects but it’s highly complicated.

Compressed X-ray data

The Advanced Photon Source (APS), an Office of Science User Facility at the U.S. Department of Energy’s (DOE) Argonne National Laboratory; gives scientists access to highly penetrating X-rays that can illuminate at the atomic level materials contained deep within other structures.

However, the next phase for the APS, the APS Upgrade, transforms today’s APS into a world-leading, storage-ring based; high-energy X-ray light source that equips scientists with a vastly more powerful tool for investigating and improving the materials and chemical processes that impact nearly every aspect of our lives.

Use of lensless imaging methods

In particular, the Upgrade enables the use of lensless imaging methods with high-energy X-rays to overcome optics limitations for obtaining the highest spatial resolution deep within opaque samples. However, using high-energy X-rays for deep penetration comes with a potential hitch deeply penetrating X-rays can run into limitations with current detector technology.

But essentially, the signal on the detector gets more and more compressed as we go to higher and higher X-ray energies; The price we pay for more penetrating X-rays is a loss of fidelity in the recorded data. By using signal processing in this manner; scientists are able to effectively computationally correct an image; that would have otherwise required an experimentally impossible system of lenses to resolve.