{"id":"https://openalex.org/W2379763596","doi":null,"title":"Optical frequency standards based on trapped ions","display_name":"Optical frequency standards based on trapped ions","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2379763596","mag":"2379763596"},"language":"en","primary_location":{"id":"mag:2379763596","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-WLZZ201009005.htm","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Physics","raw_type":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Ke Gao","orcid":"https://orcid.org/0000-0001-5462-9558","observed_orcids":["https://orcid.org/0000-0001-5462-9558"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ke Gao","raw_affiliation_strings":["-Lin\ue551"],"raw_orcid":"https://orcid.org/0000-0001-5462-9558","affiliations":[{"raw_affiliation_string":"-Lin\ue551","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28381016,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/optical-frequency-standard","display_name":"optical frequency standard","score":1.0},{"id":"https://openalex.org/keywords/trapped-ions","display_name":"trapped ions","score":0.9929999709129333},{"id":"https://openalex.org/keywords/cold-atoms","display_name":"cold atoms","score":0.7879999876022339},{"id":"https://openalex.org/keywords/laser-technology","display_name":"laser technology","score":0.8629999756813049},{"id":"https://openalex.org/keywords/frequency-metrology","display_name":"frequency metrology","score":0.6800000071525574},{"id":"https://openalex.org/keywords/atomic-clocks","display_name":"atomic clocks","score":0.45500001311302185}],"concepts":[{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.6037232875823975},{"id":"https://openalex.org/C91275184","wikidata":"https://www.wikidata.org/wiki/Q163117","display_name":"Laser cooling","level":3,"score":0.6032077670097351},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.5605230331420898},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4066350758075714},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.400043249130249},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.39686480164527893},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.38151320815086365},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.07629349827766418}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2379763596","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-WLZZ201009005.htm","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Physics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2970272665","https://openalex.org/W2070299680","https://openalex.org/W2169720922","https://openalex.org/W2033799350","https://openalex.org/W2160573330","https://openalex.org/W1629020335","https://openalex.org/W7028609510","https://openalex.org/W2033310270","https://openalex.org/W4281630381","https://openalex.org/W2166116679"],"abstract_inverted_index":{"New":[0],"optical":[1,21,41],"frequency":[2,22,42],"standards":[3,23,43],"are":[4],"being":[5],"developed":[6],"with":[7],"laser":[8,18],"technology":[9,19],"and":[10,20,34],"cold":[11],"atoms.In":[12],"this":[13],"article":[14],"the":[15,31,38],"relationship":[16],"between":[17],"is":[24],"briefly":[25],"reviewed.Emphasis":[26],"will":[27],"be":[28],"placed":[29],"upon":[30],"general":[32],"principle":[33],"recent":[35],"progress":[36],"in":[37],"establishment":[39],"of":[40],"based":[44],"on":[45],"trapped":[46],"ions.":[47]},"counts_by_year":[],"updated_date":"2026-09-27T08:07:27.782135","created_date":"2016-06-24T00:00:00"}
