A portable (32 cm/spl times/13 cm/spl times/6 cm) laser frequency standard has been constructed by frequency stabilizing an external-cavity diode laser to the Doppler free absorption of iodine. The compact structure is achieved by using a novel transmission grating to construct a highly compact external-cavity laser with excellent passive frequency stability.
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机译：通过将外腔二极管激光器的频率稳定到碘的多普勒自由吸收，已经构建了便携式（32 cm / spl次/ 13 cm / spl次/ 6 cm）激光频率标准。紧凑的结构是通过使用新型的透射光栅来构建具有出色的无源频率稳定性的高度紧凑的外腔激光器而实现的。
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