Visualization of shocked material instabilities using a fast-framing camera and XFEL four-pulse train

Daniel Hodge; Silvia Pandolfi; Yanwei Liu; Kenan Li; Anne Sakdinawat; Mathew Seaberg; Philip Hart; Eric Galtier; Dimitri Khaghani; Sharon Vetter; Chandra B. Curry; Franz-Joseph Decker; Bob Nagler; Hae J. Lee; Cindy Bolme; Kyle Ramos; Pawel M Kozlowski; David S. Montgomery; Matthew S. Dayton; Leora Dresselhaus-Marais; Suzanne Ali; Liam D. Claus; Marcos O. Sanchez; Thomas Carver; Richard L. Sandberg; Arianna Gleason

doi:10.1117/12.2594216

8 September 2021 Visualization of shocked material instabilities using a fast-framing camera and XFEL four-pulse train

Daniel Hodge, Silvia Pandolfi, Yanwei Liu, Kenan Li, Anne Sakdinawat, Mathew Seaberg, Philip Hart, Eric Galtier, Dimitri Khaghani, Sharon Vetter, Chandra B. Curry, Franz-Joseph Decker, Bob Nagler, Hae J. Lee, Cindy Bolme, Kyle Ramos, Pawel M Kozlowski, David S. Montgomery, Matthew S. Dayton, Leora Dresselhaus-Marais, Suzanne Ali, Liam D. Claus, Marcos O. Sanchez, Thomas Carver, Richard L. Sandberg, Arianna Gleason

Author Affiliations +

Proceedings Volume 11839, X-Ray Nanoimaging: Instruments and Methods V; 1183908 (2021) https://doi.org/10.1117/12.2594216
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Many questions regarding dynamic materials could be answered by using time-resolved ultra-fast imaging techniques to characterize the physical and chemical behavior of materials in extreme conditions and their evolution on the nanosecond scale. In this work, we perform multi-frame phase-contrast imaging (PCI) of micro-voids in low density polymers under laser-driven shock compression. At the Matter in Extreme Conditions (MEC) Instrument at the Linac Coherent Light Source (LCLS), we used a train of four x-ray free electron laser (XFEL) pulses to probe the evolution of the samples. To visualize the void and shock wave interaction, we deployed the Icarus V2 detector to record up to four XFEL pulses, separated by 1-3 nanoseconds. In this work, we image elastic waves interacting with the micro-voids at a pressure of several GPa. Monitoring how the material’s heterogeneities, like micro-voids, dictate its response to a compressive wave is important for benchmarking the performances of inertial confinement fusion energy materials. For the first time in a single sample, we have combined an ultrafast x-ray framing camera and four XFEL pulse train to create an ultrafast movie of micro-void evolution under laser-driven shock compression. Eventually, we hope this technique will resolve the material density as it evolves dynamically under laser shock compression.

Conference Presentation

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Daniel Hodge, Silvia Pandolfi, Yanwei Liu, Kenan Li, Anne Sakdinawat, Mathew Seaberg, Philip Hart, Eric Galtier, Dimitri Khaghani, Sharon Vetter, Chandra B. Curry, Franz-Joseph Decker, Bob Nagler, Hae J. Lee, Cindy Bolme, Kyle Ramos, Pawel M Kozlowski, David S. Montgomery, Matthew S. Dayton, Leora Dresselhaus-Marais, Suzanne Ali, Liam D. Claus, Marcos O. Sanchez, Thomas Carver, Richard L. Sandberg, and Arianna Gleason "Visualization of shocked material instabilities using a fast-framing camera and XFEL four-pulse train", Proc. SPIE 11839, X-Ray Nanoimaging: Instruments and Methods V, 1183908 (8 September 2021); https://doi.org/10.1117/12.2594216

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