Hamamatsu’s joint research successfully forms a multi-layered polycrystalline ceramic surface through laser shock compression technology


Hamamatsu, Japan – July 17, 2015 – The Graduate School for the Creation of New Photonics Industries, an academic institution affiliated with Hamamatsu Photonics K.K., has announced the discovery of a new technique to reform the surface of ceramic materials with laser-shock compression technology, a result which may contribute to the development of new materials. By irradiating the surface of zirconia (yttria-stabilized zirconia) with a high-intensity short-pulse laser, a multi-layered polycrystalline structure was formed on the material with a penetration depth of 130 microns.


This research was published online by the Journal of Physics D: Applied Physics on July 14, 2015, in a paper titled “Multilayered Polycrystallization in Single-crystal YSZ by Laser-shock Compression.” The research was a collaboration among 21 researchers at eight institutions: The Graduate School for the Creation of New Photonics Industries, Hamamatsu Photonics K.K., Toyota Technical Development Corporation, Toyota Central Research and Development Laboratories, Toyota Motor Corporation, The Institute for Laser Technology (Japan), The National Institute of Advanced Industrial Science and Technology (Japan), and the University of Nevada, Reno.


These research results will also be presented at the 2015 Fall Meeting of the Physical Society of Japan (September 16 to 19, Kansai University) and at the 9th International Conference on Inertial Fusion Sciences and Applications (September 20 to 25 in Seattle, Washington).



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