The progress of strontium optical clock at NIM

Shao Kai Wang; Qiang Wang; Bai Ke Lin; Ye Li; Yi Ge Lin; Min Ming Wang; Yang Zhao; Jian Ping Cao; Er Jun Zang; Tian Chu Li; Zhan Jun Fang

doi:10.1109/EFTF.2010.6533714

The progress of strontium optical clock at NIM

Shao Kai Wang
, Qiang Wang
, Bai Ke Lin
, Ye Li
, Yi Ge Lin
, Min Ming Wang
, Yang Zhao
, Jian Ping Cao
, Er Jun Zang
, Tian Chu Li
, Zhan Jun Fang

National Institute of Metrology China

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We report the experimental realization of ⁸⁸Sr magneto-optical trap (MOT) operating at the wavelength of 461 nm and 689nm. The blue MOT is loaded via a 32 cm long spin-flip type Zeeman slower which enhances the MOT population by a factor of 44. We have trapped 1.6×10⁸ 88Sr atoms with the use of 679nm and 707nm repumping laser. The ⁸⁸Sr cloud has a temperature of about 2.3 mK, measured by recording the time evolution of the absorption signal. The 689nm laser used in our experiment has a line width of about 200Hz. To optimize the transfer efficiency, the laser spectrum is broadened by frequency modulation technique to about 2 MHz. The transfer efficiency from blue MOT to red MOT is about 20%.

Original language	English
Title of host publication	EFTF 2010 - 24th European Frequency and Time Forum
DOIs	https://doi.org/10.1109/EFTF.2010.6533714
Publication status	Published - 2010
Externally published	Yes
Event	24th European Frequency and Time Forum, EFTF 2010 - Noordwijk, Netherlands Duration: 13 Apr 2010 → 16 Apr 2010

Publication series

Name	EFTF 2010 - 24th European Frequency and Time Forum

Conference

Conference	24th European Frequency and Time Forum, EFTF 2010
Country/Territory	Netherlands
City	Noordwijk
Period	13/04/10 → 16/04/10

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10.1109/EFTF.2010.6533714

Cite this

@inproceedings{3cd4d8cbfa464766bb315c549c4c75f6,

title = "The progress of strontium optical clock at NIM",

abstract = "We report the experimental realization of 88Sr magneto-optical trap (MOT) operating at the wavelength of 461 nm and 689nm. The blue MOT is loaded via a 32 cm long spin-flip type Zeeman slower which enhances the MOT population by a factor of 44. We have trapped 1.6{\texttimes}108 88Sr atoms with the use of 679nm and 707nm repumping laser. The 88Sr cloud has a temperature of about 2.3 mK, measured by recording the time evolution of the absorption signal. The 689nm laser used in our experiment has a line width of about 200Hz. To optimize the transfer efficiency, the laser spectrum is broadened by frequency modulation technique to about 2 MHz. The transfer efficiency from blue MOT to red MOT is about 20\%.",

author = "Wang, \{Shao Kai\} and Qiang Wang and Lin, \{Bai Ke\} and Ye Li and Lin, \{Yi Ge\} and Wang, \{Min Ming\} and Yang Zhao and Cao, \{Jian Ping\} and Zang, \{Er Jun\} and Li, \{Tian Chu\} and Fang, \{Zhan Jun\}",

year = "2010",

doi = "10.1109/EFTF.2010.6533714",

language = "English",

isbn = "9781467359702",

series = "EFTF 2010 - 24th European Frequency and Time Forum",

booktitle = "EFTF 2010 - 24th European Frequency and Time Forum",

note = "24th European Frequency and Time Forum, EFTF 2010 ; Conference date: 13-04-2010 Through 16-04-2010",

}

Wang, SK, Wang, Q, Lin, BK, Li, Y, Lin, YG, Wang, MM, Zhao, Y, Cao, JP, Zang, EJ, Li, TC & Fang, ZJ 2010, The progress of strontium optical clock at NIM. in EFTF 2010 - 24th European Frequency and Time Forum., 6533714, EFTF 2010 - 24th European Frequency and Time Forum, 24th European Frequency and Time Forum, EFTF 2010, Noordwijk, Netherlands, 13/04/10. https://doi.org/10.1109/EFTF.2010.6533714

TY - GEN

T1 - The progress of strontium optical clock at NIM

AU - Wang, Shao Kai

AU - Wang, Qiang

AU - Lin, Bai Ke

AU - Li, Ye

AU - Lin, Yi Ge

AU - Wang, Min Ming

AU - Zhao, Yang

AU - Cao, Jian Ping

AU - Zang, Er Jun

AU - Li, Tian Chu

AU - Fang, Zhan Jun

PY - 2010

Y1 - 2010

N2 - We report the experimental realization of 88Sr magneto-optical trap (MOT) operating at the wavelength of 461 nm and 689nm. The blue MOT is loaded via a 32 cm long spin-flip type Zeeman slower which enhances the MOT population by a factor of 44. We have trapped 1.6×108 88Sr atoms with the use of 679nm and 707nm repumping laser. The 88Sr cloud has a temperature of about 2.3 mK, measured by recording the time evolution of the absorption signal. The 689nm laser used in our experiment has a line width of about 200Hz. To optimize the transfer efficiency, the laser spectrum is broadened by frequency modulation technique to about 2 MHz. The transfer efficiency from blue MOT to red MOT is about 20%.

AB - We report the experimental realization of 88Sr magneto-optical trap (MOT) operating at the wavelength of 461 nm and 689nm. The blue MOT is loaded via a 32 cm long spin-flip type Zeeman slower which enhances the MOT population by a factor of 44. We have trapped 1.6×108 88Sr atoms with the use of 679nm and 707nm repumping laser. The 88Sr cloud has a temperature of about 2.3 mK, measured by recording the time evolution of the absorption signal. The 689nm laser used in our experiment has a line width of about 200Hz. To optimize the transfer efficiency, the laser spectrum is broadened by frequency modulation technique to about 2 MHz. The transfer efficiency from blue MOT to red MOT is about 20%.

UR - https://www.scopus.com/pages/publications/84881152115

U2 - 10.1109/EFTF.2010.6533714

DO - 10.1109/EFTF.2010.6533714

M3 - Conference contribution

AN - SCOPUS:84881152115

SN - 9781467359702

T3 - EFTF 2010 - 24th European Frequency and Time Forum

BT - EFTF 2010 - 24th European Frequency and Time Forum

T2 - 24th European Frequency and Time Forum, EFTF 2010

Y2 - 13 April 2010 through 16 April 2010

ER -

The progress of strontium optical clock at NIM

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