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A simple laser system for atom interferometry.

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Title: A simple laser system for atom interferometry.
Authors: Merlet, S.1, Volodimer, L.1, Lours, M.1, Pereira Dos Santos, F.1 franck.pereira@obspm.fr
Source: Applied Physics B: Lasers & Optics. Nov2014, Vol. 117 Issue 2, p749-754. 6p.
Subjects: Laser cooling, Atom interferometers, Electronic amplifiers, Raman lasers, Field programmable gate arrays, Acousto-optical modulation, Semiconductor lasers
Abstract: We present here a simple laser system for a laser-cooled atom interferometer, where all functions (laser cooling, interferometry and detection) are realized using only two extended cavity laser diodes, amplified by a common tapered amplifier. One laser is locked by frequency modulation transfer spectroscopy, the other being phase locked with an offset frequency determined by an field-programmable gate array-controlled direct digital synthesizer, which allows for efficient and versatile tuning of the laser frequency. Raman lasers are obtained with a double pass acoustooptic modulator. We demonstrate a gravimeter using this laser system, with performances close to the state of the art. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="AR" term="%22Merlet%2C+S%2E%22">Merlet, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Volodimer%2C+L%2E%22">Volodimer, L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lours%2C+M%2E%22">Lours, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pereira+Dos+Santos%2C+F%2E%22">Pereira Dos Santos, F.</searchLink><relatesTo>1</relatesTo><i> franck.pereira@obspm.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+B%3A+Lasers+%26+Optics%22">Applied Physics B: Lasers & Optics</searchLink>. Nov2014, Vol. 117 Issue 2, p749-754. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Laser+cooling%22">Laser cooling</searchLink><br /><searchLink fieldCode="DE" term="%22Atom+interferometers%22">Atom interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+amplifiers%22">Electronic amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+lasers%22">Raman lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Field+programmable+gate+arrays%22">Field programmable gate arrays</searchLink><br /><searchLink fieldCode="DE" term="%22Acousto-optical+modulation%22">Acousto-optical modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Semiconductor+lasers%22">Semiconductor lasers</searchLink>
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  Data: We present here a simple laser system for a laser-cooled atom interferometer, where all functions (laser cooling, interferometry and detection) are realized using only two extended cavity laser diodes, amplified by a common tapered amplifier. One laser is locked by frequency modulation transfer spectroscopy, the other being phase locked with an offset frequency determined by an field-programmable gate array-controlled direct digital synthesizer, which allows for efficient and versatile tuning of the laser frequency. Raman lasers are obtained with a double pass acoustooptic modulator. We demonstrate a gravimeter using this laser system, with performances close to the state of the art. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Type: general
      – SubjectFull: Atom interferometers
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      – SubjectFull: Electronic amplifiers
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      – SubjectFull: Raman lasers
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      – SubjectFull: Field programmable gate arrays
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      – SubjectFull: Acousto-optical modulation
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              Text: Nov2014
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