Europe's first and only TES spectrometer at a synchrotron source is now in operation at BESSY II, developed within a collaboration between the HZB, the MPI-CEC (Mühlheim-an-der-Ruhr, Germany) and the NIST (Boulder, Colorado, U. S. ).
Source: [Phys.org](https://phys.org/news/2026-06-superconducting-tes-array-ray-spectrometer.html)