%0 Journal Article %T Development of a high-speed, phase-sensitive laser probe system for RF surface/bulk acoustic wave devices with an autofocus function for long-time continuous operation %A Kawai, Kazuki %A Takahashi, Hikaru %A Omori, Tatsuya %A Hashimoto, Ken-ya %J Japanese Journal of Applied Physics %V 61 %N SG %P 5 %@ 0021-4922 %D 2022-07-01 %I IOP Publishing %~ DeepDyve