Mark Akselrod, Ph.D. in Solid State Physics Former Chief Scientist and Executive Manager at Landauer (Fluke Health Solution/Fortive) Dr. Mark Akselrod was Chief Scientist and Executive Manager of Landauer, Inc. and Adjunct Professor at the Physics Department of Oklahoma State University. His main research interests and achievements are in the field of radiation solid state physics, crystal growth, optical spectroscopy, luminescence dosimetry and optical data storage. He developed super sensitive Al2O3:C single crystal for radiation dosimetry. Novel Al2O3:C,Mg crystals were developed and patented as two-photon absorbing volumetric Optical Data Storage (ODS) media and Fluorescent Nuclear Track Detector (FNTD). Pulsed Optically Stimulated Luminescence (POSL) dosimetry technique was developed and patented while Dr. Akselrod was working at OSU. It was licensed by Landauer, Inc and commercially used together with Al2O3:C OSL material in LUXEL™ and InLight™ technology and instruments. The results of research have been described in more than 90 papers published in peer reviewed scientific journals. 33 US patents were obtained for materials, instrumentation and applications for optical data storage, optically stimulated luminescence, radiation field imaging, and fluorescent nuclear track detector technology.