【摘要】：通過(guò)建立被動(dòng)型CPT銫原子鐘的理論模型,開(kāi)展CPT信號(hào)與銫原子氣室特性參量間關(guān)系的仿真分析和研究,建立銫原子氣室設(shè)計(jì)及分析方法,得到了被動(dòng)型CPT銫原子鐘最佳設(shè)計(jì)參數(shù),直徑10mm、長(zhǎng)度10mm、緩沖氣體為N2的圓柱形銫原子氣室,最佳工作參數(shù)為:工作溫度為320K、氣體壓強(qiáng)值50Torr。并經(jīng)多波長(zhǎng)多普勒吸收光譜、CPT信號(hào)鎖定及頻率穩(wěn)定度測(cè)試等實(shí)驗(yàn),驗(yàn)證了理論模型的正確性,為開(kāi)展高性能芯片級(jí)CPT銫原子鐘的設(shè)計(jì)、參數(shù)優(yōu)化提供了一種研究方法。
[Abstract]:By establishing the theoretical model of passive CPT cesium atomic clock, the simulation analysis and study of the relationship between CPT signal and the characteristic parameters of cesium atomic gas chamber are carried out, and the design and analysis method of cesium atomic gas chamber is established. The optimum design parameters of passive CPT cesium atomic clock are obtained, which are 10mm in diameter, 10mm in length and N2 in buffer gas. The optimum working parameters are as follows: the working temperature is 320K, the gas pressure is 50 Torr. The theoretical model is verified by the experiments of multi-wavelength Doppler absorption spectrum locked signal and frequency stability test, which provides a research method for the design and parameter optimization of CPT cesium atomic clock with high performance.
【作者單位】： 蘭州空間技術(shù)物理研究所;空間量子頻標(biāo)技術(shù)核心專業(yè)實(shí)驗(yàn)室;真空技術(shù)與物理重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(61471183)資助
【分類號(hào)】：TM935.115

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