Summary form only given. After we developed a cryogenic diode toproduce very pure proton beam from hydrogen ice, one of the guidingprinciples to continue our experiments has been the finding of newresearch fields under the combination of the pulsed power technology andthe cryogenic engineering. The results of intensive challenge followingthis line are shown in some papers in recent years. Along thisdirection, we also proposed the new scientific possibility of thecryogenic targets ablated by pulsed ion beams. This has been continueduntil now under the collaboration between Sandia National Laboratories(SNL) and Tokyo Institute of Technology. We also started recently todesign a new cryogenic diode to produce the pulsed medium-mass ion beamswith higher intensity than the former one, under the same collaborationscheme. We are planning to install this diode into the RHEPP-1 pulsedpower generator at SNL (Albuquerque) in the near future. The authorshave also a dream of realizing the application of cryogenic technique tothe huge project of the high energy Z-pinch including the associateddiagnostics at SNL, although it is not so easy
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