1. Autonomous cryogenic sapphire oscillators employing low vibration pulse-tube cryocoolers at NMIJ. (June 2016) Authors: Ikegami, Takeshi; Watabe, Ken-ichi; Yanagimachi, Shinya; Takamizawa, Akifumi; Hartnett, John G. Journal: Journal of physics Issue: Volume 723(2016) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗