Experimental study of laser collimation of Cr beam | Zendy

Yan Ma | Zendy; Baowu Zhang | Zendy; Zheng Chun-Lan | Zendy; Shanshan Ma | Zendy; Fosheng Li | Zendy; Wang Zhanshan | Zendy; Tongbao Li | Zendy

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Experimental study of laser collimation of Cr beam

Author(s) -

Yan Ma,

Baowu Zhang,

Zheng Chun-Lan,

Shanshan Ma,

Fosheng Li,

Wang Zhanshan,

Tongbao Li

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.4086

Subject(s) - collimated light , transverse plane , beam (structure) , optics , laser beam quality , beam parameter product , laser , m squared , beam diameter , materials science , doppler effect , laser cooling , laser beams , physics , structural engineering , astronomy , engineering

Laser collimation of Cr atomic beam using a transverse Doppler cooling scheme is studied. The frequency of laser is stabilized at 5±0.26MHz below the 7S3→7PO452Cr transition. The shortest size of the laser cooling beam is computed theoretically to be 13.7mm. Accordingly a Cr beam was collimated using a transverse Doppler cooling scheme. We obtained that the transverse distribution of Cr beam is less than 1/3 of the uncooled beam.

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