M.S. Aleynikov Al’manac of Modern Metrology № 2 (10) 2017, pages 180–196 In frequency standards of the fountain type along with basic noise due to fluctuation in measurements of the inner state of working atoms there are technical noises due to noises of laser and detection systems and the system of forming an interrogated signal. The … Continue reading The stability restriction of frequency standards of the fountain type caused by phase noise of an interrogation signal