本文關(guān)鍵詞：脈沖激光抽運(yùn)銣原子鐘理論與實(shí)驗(yàn)研究　出處：《天文學(xué)報(bào)》2013年05期 　論文類型：期刊論文

  更多相關(guān)文章： 銣原子 原子鐘 激光抽運(yùn) 理論與實(shí)驗(yàn)研究 微波脈沖 短期穩(wěn)定度 衛(wèi)星導(dǎo)航定位系統(tǒng) 微波場(chǎng) 衛(wèi)星導(dǎo)航系統(tǒng) 結(jié)構(gòu)簡(jiǎn)單

【摘要】：正原子鐘作為導(dǎo)航系統(tǒng)的星上時(shí)間基準(zhǔn),是衛(wèi)星導(dǎo)航系統(tǒng)有效載荷的核心部件,其性能決定著衛(wèi)星導(dǎo)航定位系統(tǒng)的定位精度和壽命.目前星載原子鐘主要為傳統(tǒng)銣原子鐘,從可靠自主運(yùn)行及技術(shù)多樣化角度出發(fā),開展新型銣原子鐘研究具有重要意義.基于傳統(tǒng)銣原子鐘體積小、重量輕、結(jié)構(gòu)簡(jiǎn)單等優(yōu)點(diǎn),本文對(duì)新型高精度原子鐘-脈沖激光抽運(yùn)(POP)銣原子鐘進(jìn)行了深入的理論和實(shí)驗(yàn)研究.采用在時(shí)間上分離的脈沖激光抽運(yùn)、Ramsey微波脈沖與原子相互作用方式,原子為二能級(jí)系統(tǒng),消除了光場(chǎng)與微波場(chǎng)的耦合,從而可以獲得更好的中長(zhǎng)期穩(wěn)定度.獲得微波和光學(xué)Ramsey信號(hào),采用微波探測(cè)方式,實(shí)現(xiàn)了原子鐘的閉環(huán)鎖定,短期穩(wěn)定度達(dá)國(guó)際先進(jìn)水平.同時(shí)開展了微波場(chǎng)引起EIT(electromagnetically induced transparency)信號(hào)
[Abstract]:Is the atomic clock as the navigation system of satellite time reference, is the core part of the payload of the satellite navigation system, its performance determines the positioning accuracy and the life of the satellite navigation and positioning system. The satellite atomic clock is mainly traditional rubidium atomic clock, starting from the independent operation and reliable technological diversification Perspective, it has important significance to carry out research model rubidium atomic clock. Based on the traditional rubidium atomic clock has the advantages of small size, light weight, simple structure, this new type of high-precision atomic clock pulse (POP) laser pumped rubidium atomic clock is studied theoretically and experimentally in detail. By using pulsed laser pumped separation in time, Ramsey microwave pulse and atoms the interaction of two atomic level system, eliminates the coupling field and microwave field, which can provide better long-term stability in degrees. For microwave and optical Ramsey signal by microwave detecting The closed loop locking of the atomic clock has been achieved, and the short-term stability has reached the international advanced level. At the same time, the EIT (electromagnetically induced transparency) signal induced by the microwave field has been carried out.

【作者單位】： 中國(guó)科學(xué)院國(guó)家授時(shí)中心;
【分類號(hào)】：P127
【正文快照】： 原子鐘作為導(dǎo)航系統(tǒng)的星上時(shí)間基準(zhǔn),是衛(wèi)星導(dǎo)航系統(tǒng)有效載荷的核心部件,其性能決定著衛(wèi)星導(dǎo)航定位系統(tǒng)的定位精度和壽命.目前星載原子鐘主要為傳統(tǒng)銣原子鐘,從可靠自主運(yùn)行及技術(shù)多樣化角度出發(fā),開展新型銣原子鐘研究具有重要意義.基于傳統(tǒng)銣原子鐘體積小、重量輕、結(jié)構(gòu)簡(jiǎn)單

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1 翟造成;“用地球上最好的原子鐘測(cè)量毫秒脈沖星”學(xué)術(shù)討論會(huì)[J];天文學(xué)進(jìn)展;1986年04期

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本文編號(hào)：1428405