gyroscopyГироскопия и навигацияGiroskopiya i Navigatsiya0869-70352075-0927AO «Концерн «ЦНИИ «Электроприбор»gyroscopy-452Research ArticleСтатьиТранспортируемый гравиметр на холодных атомах разработки LNE-SYRTE: работа в подземных условиях в режиме наилучшей чувствительностиФараТ.

Фара Тристан   

ГерленК.

Герлен Кристина    

ЛандраженА.

Ландражен Арно

БуйеФ.

Буйе Филипп       

ГаффеС.

Гаффе Стефан

Перейра Дос СантосФ.

Перейра дос Сантос Франк  

МерлеС.

Мерле Себастьян    

Лаборатория LNE-SYRTE, Парижская обсерваторияFranceУниверситет Бордо, лаборатория фотонных, цифровых и наноисследований (г. Таланс)FranceЛаборатория LSBB (г. Рюстрель)France201429012026223314Copyright © Фара Т., Герлен К., Ландражен А., Буйе Ф., Гаффе С., Перейра Дос Сантос Ф., Мерле С., 20262026Фара Т., Герлен К., Ландражен А., Буйе Ф., Гаффе С., Перейра Дос Сантос Ф., Мерле С.Фара Т., Герлен К., Ландражен А., Буйе Ф., Гаффе С., Перейра Дос Сантос Ф., Мерле С.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.gyroscopy.ru/jour/article/view/452

Под землей, при низком уровне шума, создаются условия для наиболее эффективной работы высокочувствительных датчиков: акселерометров, гирометров, сейсмометров. Эти приборы идеально подходят для наблюдения чрезвычайно слабых сигналов в рамках геофизических исследований. В подземной лаборатории малых шумов Laboratoire Souterrain à Bas Bruit (LSBB), где установлен наш гравиметр на холодных атомах, обеспечены необходимые условия. В настоящей статье сообщается о достижении наилучшей кратковременной чувствительности такого прибора без использования системы виброизоляции колебаний грунта: 10–8 м/с2 за 100 с измерения.

Статья по докладу на симпозиуме по гравиметрии IAG Symposium on Terrestrial Gravimetry: Static and Mobile Measurements, 2013.

Low noise underground environments offer conditions allowing to assess ultimate performance of high sensitivity sensors such as accelerometers, gyrometers, seismometers... Such facilities are for instance ideal for observing the tiny signals of interest for geophysical studies. Laboratoire Souterrain à Bas Bruit (LSBB) in which we have installed our cold atom gravimeter, provides such an environment. We report here the best short term sensitivity ever obtained without any ground vibration isolation system with such an instrument: 10-8 m.s-2 in 100 s measurement time.

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The authors declare that there are no conflicts of interest present.