Point source atom interferometry with a cloud of finite size
We demonstrate a two axis gyroscope by the use of light pulse atom interferometry with an expanding cloud of atoms in the regime where the cloud has expanded by 1.1–5 times its initial size during the interrogation. Rotations are measured by analyzing spatial fringe patterns in the atom population o...
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| Veröffentlicht in: | Applied physics letters 2016-08, Vol.109 (7) |
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| container_title | Applied physics letters |
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| creator | Hoth, Gregory W. Pelle, Bruno Riedl, Stefan Kitching, John Donley, Elizabeth A. |
| description | We demonstrate a two axis gyroscope by the use of light pulse atom interferometry with an expanding cloud of atoms in the regime where the cloud has expanded by 1.1–5 times its initial size during the interrogation. Rotations are measured by analyzing spatial fringe patterns in the atom population obtained by imaging the final cloud. The fringes arise from a correlation between an atom's initial velocity and its final position. This correlation is naturally created by the expansion of the cloud, but it also depends on the initial atomic distribution. We show that the frequency and contrast of these spatial fringes depend on the details of the initial distribution and develop an analytical model to explain this dependence. We also discuss several challenges that must be overcome to realize a high-performance gyroscope with this technique. |
| doi_str_mv | 10.1063/1.4961527 |
| format | Article |
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Rotations are measured by analyzing spatial fringe patterns in the atom population obtained by imaging the final cloud. The fringes arise from a correlation between an atom's initial velocity and its final position. This correlation is naturally created by the expansion of the cloud, but it also depends on the initial atomic distribution. We show that the frequency and contrast of these spatial fringes depend on the details of the initial distribution and develop an analytical model to explain this dependence. 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We also discuss several challenges that must be overcome to realize a high-performance gyroscope with this technique.</description><subject>Applied physics</subject><subject>Atom interferometry</subject><subject>ATOMS</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>CLOUDS</subject><subject>CORRELATIONS</subject><subject>Dependence</subject><subject>DISTRIBUTION</subject><subject>EXPANSION</subject><subject>GYROSCOPES</subject><subject>INTERFEROMETRY</subject><subject>Interrogation</subject><subject>Mathematical models</subject><subject>POINT SOURCES</subject><subject>ROTATION</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqdkE9LAzEQxYMoWKsHv0HAk8LWTLLZZMGLFP9BQUHvYZud0JR2U5NUqZ_erS307ml48Jt58x4hl8BGwCpxC6OyrkBydUQGwJQqBIA-JgPGmCiqWsIpOUtp3kvJhRiQu7fgu0xTWEeLtMlhSXuN0WEMS8xxQ799ntGG2kVYtzQ46nznM9Lkf_CcnLhmkfBiP4fk_fHhY_xcTF6fXsb3k8IKKXOBmldNpaDkHHTVct7aEoWaWl1zbZlUrUIlnZsyCS0vZamlYFo7gZaLqRiSq93VkLI3yfbudmZD16HNhnNZ92twoFYxfK4xZTPvM3X9W4YDB8Vk-Udd7ygbQ0oRnVlFv2zixgAz2wINmH2BPXuzY7eWTfah-x_8FeIBNKvWiV-eEHwK</recordid><startdate>20160815</startdate><enddate>20160815</enddate><creator>Hoth, Gregory W.</creator><creator>Pelle, Bruno</creator><creator>Riedl, Stefan</creator><creator>Kitching, John</creator><creator>Donley, Elizabeth A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20160815</creationdate><title>Point source atom interferometry with a cloud of finite size</title><author>Hoth, Gregory W. ; Pelle, Bruno ; Riedl, Stefan ; Kitching, John ; Donley, Elizabeth A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-e826a671422186d22dc4e37bc8928c057d7e75ffb051d2454853088f3ec23b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Applied physics</topic><topic>Atom interferometry</topic><topic>ATOMS</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>CLOUDS</topic><topic>CORRELATIONS</topic><topic>Dependence</topic><topic>DISTRIBUTION</topic><topic>EXPANSION</topic><topic>GYROSCOPES</topic><topic>INTERFEROMETRY</topic><topic>Interrogation</topic><topic>Mathematical models</topic><topic>POINT SOURCES</topic><topic>ROTATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hoth, Gregory W.</creatorcontrib><creatorcontrib>Pelle, Bruno</creatorcontrib><creatorcontrib>Riedl, Stefan</creatorcontrib><creatorcontrib>Kitching, John</creatorcontrib><creatorcontrib>Donley, Elizabeth A.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hoth, Gregory W.</au><au>Pelle, Bruno</au><au>Riedl, Stefan</au><au>Kitching, John</au><au>Donley, Elizabeth A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Point source atom interferometry with a cloud of finite size</atitle><jtitle>Applied physics letters</jtitle><date>2016-08-15</date><risdate>2016</risdate><volume>109</volume><issue>7</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>We demonstrate a two axis gyroscope by the use of light pulse atom interferometry with an expanding cloud of atoms in the regime where the cloud has expanded by 1.1–5 times its initial size during the interrogation. 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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Atom interferometry ATOMS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CLOUDS CORRELATIONS Dependence DISTRIBUTION EXPANSION GYROSCOPES INTERFEROMETRY Interrogation Mathematical models POINT SOURCES ROTATION |
| title | Point source atom interferometry with a cloud of finite size |
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