Cryocooled Sapphire Oscillator at K.R.I.S.S. Daejeon Korea October 2014 I installed a cryocooled sapphire oscillator at KRISS. This will be used to pump their double rubidium/cesium atomic fountain clock, allowing it to achieve a quantum limited performance. Share this:EmailPrintLike this:Like Loading... Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email. Notify me of new posts via email.