Lawrence Livermore National Laboratory

Stephan Friedrich

Team Leader Cryogenic Detector Team

Nuclear and Chemical Sciences Division

 +1 925-423-1527

Ph.D. Applied Physics
Yale University
M.Sc. Physics
University of Colorado
B.S. Physics
University of Tübingen

Research Interests

Development of high-resolution superconducting X-ray and Gamma-ray spectrometers and their application in material science, nuclear physics, astronomy, and national security

Honors and Awards

  • 2006 R&D100 Award for Superconducting Gamma and Fast-neutron Detectors
  • 2014 R&D100 Award for Superconducting Tunnel Junction X-ray Spectrometer

Selected (Recent) Publications

"Development of MMC Gamma Detectors for Nuclear Analysis", C. R. Bates, C. Pies, S. Kempf, L. Gastaldo, A. Fleischmann, C. Enss, S. Friedrich, J. Low Temp. Phys. 176, 631–636 (2014)

"112-Pixel Arrays of High-Efficiency STJ X-Ray Detectors", S. Friedrich, J. Harris, W.K. Warburton, M. H. Carpenter, J.A. Hall, R. Cantor, J. Low Temp. Phys. 176, 553-559 (2014)

"Praseodymium valence determination in Lu2SiO5, Y2SiO5, and Lu3Al5O12 scintillators by x-ray absorption spectroscopy", M. Zhuravleva, S. Friedrich, C. L. Melcher, Appl. Phys. Lett. 101, 101902 (2012)

"Nuclear Diagnostics with Cryogenic Detectors", S. Friedrich, Nucl. Inst. Meth A 579, 157-160 (2007)

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