Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity
The largest source of uncertainty of the optically pumped cesium (Cs) frequency standard (NRLM-4), i.e., the distributed cavity phase shift, was reduced by replacing the microwave cavity with a new ring-type one. An H-bend-type ring cavity is adopted for the first time. Due to the novel cavity and t...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2008-10, Vol.57 (10), p.2212-2217 |
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| container_title | IEEE transactions on instrumentation and measurement |
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| creator | Hagimoto, K. Koga, Y. Ikegami, T. |
| description | The largest source of uncertainty of the optically pumped cesium (Cs) frequency standard (NRLM-4), i.e., the distributed cavity phase shift, was reduced by replacing the microwave cavity with a new ring-type one. An H-bend-type ring cavity is adopted for the first time. Due to the novel cavity and the improvement of the Cs beam alignment, the distributed cavity phase shift was significantly reduced from 2 x 10 -14 to 1.4 x 10 -15 . The frequency stability was measured to be 8 x 10 -13 tau -1/2 . The total uncertainty was reevaluated to be 6.7 x 10 -15 , which is four times better than the previous value. |
| doi_str_mv | 10.1109/TIM.2008.922086 |
| format | Article |
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An H-bend-type ring cavity is adopted for the first time. Due to the novel cavity and the improvement of the Cs beam alignment, the distributed cavity phase shift was significantly reduced from 2 x 10 -14 to 1.4 x 10 -15 . The frequency stability was measured to be 8 x 10 -13 tau -1/2 . The total uncertainty was reevaluated to be 6.7 x 10 -15 , which is four times better than the previous value.</description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/TIM.2008.922086</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Atom optics ; Atomic measurements ; Beam type ; Beams (radiation) ; Cesium ; Frequency measurement ; Frequency standards ; H-bend-type ring cavity ; Holes ; Instrumentation ; International Atomic Time (TAI) ; Magnetic fields ; Metrology ; Microwaves ; Optical beams ; Optical pumping ; optically pumped cesium (Cs) frequency standard ; Phase shift ; Stability ; Uncertainty ; Wires</subject><ispartof>IEEE transactions on instrumentation and measurement, 2008-10, Vol.57 (10), p.2212-2217</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-1d3fe5637eca25f63baad998955330b03d362aa745251952c05f492a38de61f53</citedby><cites>FETCH-LOGICAL-c320t-1d3fe5637eca25f63baad998955330b03d362aa745251952c05f492a38de61f53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4509486$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4509486$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Hagimoto, K.</creatorcontrib><creatorcontrib>Koga, Y.</creatorcontrib><creatorcontrib>Ikegami, T.</creatorcontrib><title>Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity</title><title>IEEE transactions on instrumentation and measurement</title><addtitle>TIM</addtitle><description>The largest source of uncertainty of the optically pumped cesium (Cs) frequency standard (NRLM-4), i.e., the distributed cavity phase shift, was reduced by replacing the microwave cavity with a new ring-type one. An H-bend-type ring cavity is adopted for the first time. Due to the novel cavity and the improvement of the Cs beam alignment, the distributed cavity phase shift was significantly reduced from 2 x 10 -14 to 1.4 x 10 -15 . The frequency stability was measured to be 8 x 10 -13 tau -1/2 . The total uncertainty was reevaluated to be 6.7 x 10 -15 , which is four times better than the previous value.</description><subject>Atom optics</subject><subject>Atomic measurements</subject><subject>Beam type</subject><subject>Beams (radiation)</subject><subject>Cesium</subject><subject>Frequency measurement</subject><subject>Frequency standards</subject><subject>H-bend-type ring cavity</subject><subject>Holes</subject><subject>Instrumentation</subject><subject>International Atomic Time (TAI)</subject><subject>Magnetic fields</subject><subject>Metrology</subject><subject>Microwaves</subject><subject>Optical beams</subject><subject>Optical pumping</subject><subject>optically pumped cesium (Cs) frequency standard</subject><subject>Phase shift</subject><subject>Stability</subject><subject>Uncertainty</subject><subject>Wires</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkDFPwzAQRi0EEqUwM7BYLExpz3bsxCNUlFZqKSpFjMZNLtRVmpQ4qZR_T1ARA9MN9767T4-QawYDxkAPV9P5gAPEA805xOqE9JiUUaCV4qekB8DiQIdSnZML77cAEKkw6pGPJeLB5o2tXVnQMqP1BuliX7vE5nlLX5rdHlM6Qu-aHR1X-NVgkbT0tbZFaquUPi9n8yCk767eUFvQSfCARUqXrvikI3twdXtJzjKbe7z6nX3yNn5cjSbBbPE0Hd3PgkRwqAOWigylEhEmlstMibW1qdaxllIIWINIheLWRqHkkmnJE5BZqLkVcYqKZVL0yd3x7r4qu5K-NjvnE8xzW2DZeBNHEjSAEh15-4_clk1VdOVMrHgIUqi4g4ZHKKlK7yvMzL5yO1u1hoH58W063-bHtzn67hI3x4RDxD867L6G3fYbnT55eQ</recordid><startdate>20081001</startdate><enddate>20081001</enddate><creator>Hagimoto, K.</creator><creator>Koga, Y.</creator><creator>Ikegami, T.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20081001</creationdate><title>Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity</title><author>Hagimoto, K. ; Koga, Y. ; Ikegami, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-1d3fe5637eca25f63baad998955330b03d362aa745251952c05f492a38de61f53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Atom optics</topic><topic>Atomic measurements</topic><topic>Beam type</topic><topic>Beams (radiation)</topic><topic>Cesium</topic><topic>Frequency measurement</topic><topic>Frequency standards</topic><topic>H-bend-type ring cavity</topic><topic>Holes</topic><topic>Instrumentation</topic><topic>International Atomic Time (TAI)</topic><topic>Magnetic fields</topic><topic>Metrology</topic><topic>Microwaves</topic><topic>Optical beams</topic><topic>Optical pumping</topic><topic>optically pumped cesium (Cs) frequency standard</topic><topic>Phase shift</topic><topic>Stability</topic><topic>Uncertainty</topic><topic>Wires</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hagimoto, K.</creatorcontrib><creatorcontrib>Koga, Y.</creatorcontrib><creatorcontrib>Ikegami, T.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on instrumentation and measurement</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Hagimoto, K.</au><au>Koga, Y.</au><au>Ikegami, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity</atitle><jtitle>IEEE transactions on instrumentation and measurement</jtitle><stitle>TIM</stitle><date>2008-10-01</date><risdate>2008</risdate><volume>57</volume><issue>10</issue><spage>2212</spage><epage>2217</epage><pages>2212-2217</pages><issn>0018-9456</issn><eissn>1557-9662</eissn><coden>IEIMAO</coden><abstract>The largest source of uncertainty of the optically pumped cesium (Cs) frequency standard (NRLM-4), i.e., the distributed cavity phase shift, was reduced by replacing the microwave cavity with a new ring-type one. An H-bend-type ring cavity is adopted for the first time. Due to the novel cavity and the improvement of the Cs beam alignment, the distributed cavity phase shift was significantly reduced from 2 x 10 -14 to 1.4 x 10 -15 . The frequency stability was measured to be 8 x 10 -13 tau -1/2 . The total uncertainty was reevaluated to be 6.7 x 10 -15 , which is four times better than the previous value.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIM.2008.922086</doi><tpages>6</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Atom optics Atomic measurements Beam type Beams (radiation) Cesium Frequency measurement Frequency standards H-bend-type ring cavity Holes Instrumentation International Atomic Time (TAI) Magnetic fields Metrology Microwaves Optical beams Optical pumping optically pumped cesium (Cs) frequency standard Phase shift Stability Uncertainty Wires |
| title | Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity |
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