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Laser Collimation of a Chromium Beam Using Doppler Force
並列摘要
We report on the collimation of a chromium atomic beam by one-dimensional transverse Doppler laser cooling. Operated on the cycling 7S3→7P(superscript 0 subscript 4) transition at 425.55 nm, the optical molasses laser power was 60 mW, which was detuned 2.5 MHz below the resonant frequency. The angular divergence of the atomic beam was reduced from 4.5 mrad to 0.48 mrad, corresponding to a transverse velocity of ±0.46 m/s, and the relevant transverse temperature is 265 μK.
並列關鍵字
無資料被引用紀錄
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