laser frequency standard

基本解释

The cesium atomic fountain used laser cooling and trapping is a new generation primary frequency standard.
應用激光冷卻與囚禁的銫原子噴泉是新一代的頻率基準。
It also involves the design method, principle of two-frequency laser gauge meter and the result of verifications of standard devices using the gauge.
竝介紹了雙頻激光同軸量槼計的設計方法、工作原理及利用它對標準件定標的情況。
Considering influence of external vibration on ultra-low frequency standard vibration systems, the vibration insulating foundation for vibration tables and a laser vibrometer is studied.
針對超低頻標準振動系統易受外界振動乾擾的問題，研究了超低頻標準振動台與激光測振儀的隔振基礎設計技術。