Characteristics of Cryocooler-Cooled Cryogenic Sapphire Oscillators

Takeshi Ikegami; Ken-ichi Watabe; Shinya Yanagimachi; Akifumi Takamizawa; Ken Hagimoto; John Hartnett

Presentation information

Oral presentation

1 Interdisciplinary Physics and Related Areas of Science and Technology » 1.5 Instrumentation, measurement and Metrology

[20p-F202-1~9] 1.5 Instrumentation, measurement and Metrology

Tue. Mar 20, 2018 1:45 PM - 4:00 PM F202 (61-202)

Hidehiko Nonaka(AIST)

3:30 PM - 3:45 PM

[20p-F202-8] Characteristics of Cryocooler-Cooled Cryogenic Sapphire Oscillators

〇Takeshi Ikegami¹, Ken-ichi Watabe¹, Shinya Yanagimachi¹, Akifumi Takamizawa¹, Ken Hagimoto¹, John Hartnett² (1.NMIJ, AIST, 2.Univ. Adelaide)

Keywords:Cryogenic Sapphire Oscillator, Local oscillator, Ultrastable microwave oscillator

Cryogenic sapphire oscillators, in which sapphire crystals are electrically cooled by pulse tube cryocoolers, are developed. Their detailed characteristics including Allan deviation are reported.