• Invited Speaker

Dennis Tucker

Idaho National Laboratory

About Dennis Tucker

Dr. Tucker received his PhD in Materials Science from the University of Florida in 1983.

He retired from NASA in 2020, where he was actively involved in researching the effects of gravity on the crystallization behavior of heavy metal fluoride glasses. He also investigated the effects of an axial magnetic field on the crystallization of ZBLAN glass. He is presently a Senior Scientist at Idaho National Laboratory.

The Effects of Gravity and an Axial Magnetic Field on the Crystallization of ZBLAN Glass

Microgravity reduces crystallization of ZBLAN which will make for a lower loss optical fiber when the fiber is drawn in this environment. Relevant data from previous studies and further look at present studies concentrating on electrostatic levitation of ZBLAN which will help elucidate the mechanism for reduction of crystallization in microgravity.
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