A rubidium-stabilized ring-cavity resonator for optical frequency metrology: precise measurement of the D1 line in 133Cs
| العنوان: | A rubidium-stabilized ring-cavity resonator for optical frequency metrology: precise measurement of the D1 line in 133Cs |
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| المؤلفون: | Dipankar Das, S. Barthwal, Ayan Banerjee, Vasant Natarajan |
| المصدر: | The European Physical Journal D. 38:545-552 |
| بيانات النشر: | Springer Science and Business Media LLC, 2006. |
| سنة النشر: | 2006 |
| مصطلحات موضوعية: | Physics, business.industry, Optical physics, chemistry.chemical_element, Fine-structure constant, Laser, Atomic and Molecular Physics, and Optics, law.invention, Rubidium, Metrology, Resonator, Optics, chemistry, law, Physics::Atomic Physics, business, Hyperfine structure, Line (formation) |
| الوصف: | We have developed a ring-cavity resonator that can be used to measure the absolute frequencies of optical transitions with an uncertainty below 40 kHz. The length of the resonator is calibrated against a reference laser locked to the D2 line of 87Rb, the frequency of which is known with 6 kHz accuracy. We demonstrate the power of this technique by measuring the absolute frequencies of various hyperfine transitions in the D1 line of 133Cs. Our results agree with earlier measurements using the frequency-comb technique, and have similar accuracy. Measurement of the D1-line frequency could lead to a more precise determination of the fine-structure constant. We also report a precise value of A=291.918(8) MHz for the hyperfine constant in the 6P1/2 state. |
| تدمد: | 1434-6079 1434-6060 |
| DOI: | 10.1140/epjd/e2006-00065-7 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::5fa8e6481e49ed78ba4180897117b97e https://doi.org/10.1140/epjd/e2006-00065-7 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi...........5fa8e6481e49ed78ba4180897117b97e |
| قاعدة البيانات: | OpenAIRE |
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