Title :
Toward the Yb/Sr frequency ratio measurement: Development of the Sr optical lattice clock at NMIJ, AIST
Author :
Akamatsu, Daisuke ; Yasuda, Masami ; Kohno, Takuya ; Hosaka, Kazumoto ; Inaba, Hajime ; Nakajima, Yoshiaki ; Hong, Feng-Lei
Author_Institution :
Nat. Metrol. Inst. of Japan (NMIJ), AIST, Tsukuba, Japan
Abstract :
The present status of the development of an 87Sr optical lattice clock at NMIJ is reported. We also describe our frequency doubling system with a periodically poled lithium niobate waveguide for the first stage cooling laser at 461 nm.
Keywords :
optical lattices; optical variables measurement; optical waveguides; AIST; NMIJ; Yb-Sr; first stage cooling laser; frequency doubling system; frequency ratio measurement; optical lattice clock; periodically poled lithium niobate waveguide; wavelength 461 nm; Clocks; Electromagnetic measurements; Frequency measurement; Lattices; Strontium;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location :
Daejeon
Print_ISBN :
978-1-4244-6795-2
DOI :
10.1109/CPEM.2010.5545275