{"id":"https://openalex.org/W2119646212","doi":"https://doi.org/10.1088/1742-6596/32/1/036","title":"Ellipsometry noise spectrum, suspension transfer function measurement and closed-loop control of the suspension system in the Q & A experiment","display_name":"Ellipsometry noise spectrum, suspension transfer function measurement and closed-loop control of the suspension system in the Q & A experiment","publication_year":2006,"publication_date":"2006-03-02","ids":{"openalex":"https://openalex.org/W2119646212","doi":"https://doi.org/10.1088/1742-6596/32/1/036","mag":"2119646212"},"language":"en","primary_location":{"id":"doi:10.1088/1742-6596/32/1/036","doi":"https://doi.org/10.1088/1742-6596/32/1/036","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1742-6596/32/1/036","pdf_url":"https://iopscience.iop.org/article/10.1088/1742-6596/32/1/036/pdf","source":{"id":"https://openalex.org/S4210187594","display_name":"Journal of Physics Conference Series","issn_l":"1742-6588","issn":["1742-6588","1742-6596"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","jufo-1","norway-1","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics: Conference Series","raw_type":"journal-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://iopscience.iop.org/article/10.1088/1742-6596/32/1/036/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017189975","display_name":"Sheng\u2010Jui Chen","orcid":"https://orcid.org/0009-0006-6328-9931","observed_orcids":["https://orcid.org/0009-0006-6328-9931"]},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Sheng-Jui Chen","raw_affiliation_strings":["Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074464861","display_name":"Hsien-Hao Mei","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hsien-Hao Mei","raw_affiliation_strings":["Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090790843","display_name":"Wei-Tou Ni","orcid":"https://orcid.org/0000-0001-6792-4708","observed_orcids":["https://orcid.org/0000-0001-6792-4708"]},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Tou Ni","raw_affiliation_strings":["Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Gravitation and Cosmology, Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 30013, Republic of China","institution_ids":["https://openalex.org/I25846049"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I25846049"],"apc_list":null,"apc_paid":null,"fwci":4.1765,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.91258801,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":null,"first_page":"244","last_page":"250"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11449","display_name":"Mechanical and Optical Resonators","score":0.4440999925136566,"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/T11449","display_name":"Mechanical and Optical Resonators","score":0.4440999925136566,"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/T12220","display_name":"Quantum Electrodynamics and Casimir Effect","score":0.22990000247955322,"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/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.1581999957561493,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vacuum-birefringence","display_name":"vacuum birefringence","score":0.9710000157356262},{"id":"https://openalex.org/keywords/quantum-electrodynamics","display_name":"quantum electrodynamics","score":0.8059999942779541},{"id":"https://openalex.org/keywords/fabry-perot-cavity","display_name":"Fabry-Perot cavity","score":0.8619999885559082},{"id":"https://openalex.org/keywords/double-pendulum","display_name":"double pendulum","score":0.6620000004768372},{"id":"https://openalex.org/keywords/transfer-function","display_name":"transfer function","score":0.8299999833106995},{"id":"https://openalex.org/keywords/feedback-control","display_name":"feedback control","score":0.9639999866485596},{"id":"https://openalex.org/keywords/seismic-isolation","display_name":"seismic isolation","score":0.5490000247955322}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6947391033172607},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5895079970359802},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5746432542800903},{"id":"https://openalex.org/C110639684","wikidata":"https://www.wikidata.org/wiki/Q20702","display_name":"Pendulum","level":2,"score":0.5190578103065491},{"id":"https://openalex.org/C105341887","wikidata":"https://www.wikidata.org/wiki/Q1307987","display_name":"Suspension (topology)","level":3,"score":0.5073131918907166},{"id":"https://openalex.org/C81299745","wikidata":"https://www.wikidata.org/wiki/Q334269","display_name":"Transfer function","level":2,"score":0.4694611132144928},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.4212695360183716},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.33001452684402466},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08630138635635376},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C5961521","wikidata":"https://www.wikidata.org/wiki/Q746083","display_name":"Homotopy","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1088/1742-6596/32/1/036","doi":"https://doi.org/10.1088/1742-6596/32/1/036","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1742-6596/32/1/036","pdf_url":"https://iopscience.iop.org/article/10.1088/1742-6596/32/1/036/pdf","source":{"id":"https://openalex.org/S4210187594","display_name":"Journal of Physics Conference Series","issn_l":"1742-6588","issn":["1742-6588","1742-6596"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","jufo-1","norway-1","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics: Conference Series","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:physics/0508176","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/physics/0508176","pdf_url":"https://arxiv.org/pdf/physics/0508176","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.physics/0508176","doi":"https://doi.org/10.48550/arxiv.physics/0508176","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.physics/0508176","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1088/1742-6596/32/1/036","doi":"https://doi.org/10.1088/1742-6596/32/1/036","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1742-6596/32/1/036","pdf_url":"https://iopscience.iop.org/article/10.1088/1742-6596/32/1/036/pdf","source":{"id":"https://openalex.org/S4210187594","display_name":"Journal of Physics Conference Series","issn_l":"1742-6588","issn":["1742-6588","1742-6596"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","jufo-1","norway-1","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Physics: Conference Series","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2119646212.pdf","grobid_xml":"https://content.openalex.org/works/W2119646212.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W183536102","https://openalex.org/W1547966947","https://openalex.org/W1964611938","https://openalex.org/W1965979792","https://openalex.org/W1973946783","https://openalex.org/W1977143235","https://openalex.org/W1977673235","https://openalex.org/W2000037069","https://openalex.org/W2031978705","https://openalex.org/W2034024237","https://openalex.org/W2037477233","https://openalex.org/W2037656359","https://openalex.org/W2053626480","https://openalex.org/W2054710938","https://openalex.org/W2056046418","https://openalex.org/W2063145945","https://openalex.org/W2063684743","https://openalex.org/W2068959108","https://openalex.org/W2107675258","https://openalex.org/W2151296498","https://openalex.org/W2521340954","https://openalex.org/W2910111462"],"related_works":["https://openalex.org/W7056977125","https://openalex.org/W3098218795","https://openalex.org/W991729724","https://openalex.org/W2073577459","https://openalex.org/W4290057621","https://openalex.org/W2157200803","https://openalex.org/W1967982180","https://openalex.org/W1977368577","https://openalex.org/W1985575157","https://openalex.org/W4360884674"],"abstract_inverted_index":{"The":[0,33,52,106,197],"Q":[1,164],"&":[2,165],"A":[3,166,182],"experiment,":[4,167],"aiming":[5],"at":[6,47,84,93,103],"the":[7,49,71,109,121,124,128,148,163,171,177,190,193,208],"detection":[8],"of":[9,18,108,131,147,162,173,176,192],"vacuum":[10],"birefringence":[11],"predicted":[12],"by":[13,118],"quantum":[14],"electrodynamics,":[15],"consists":[16],"mainly":[17],"a":[19,25,55,159],"suspended":[20],"3.5":[21],"m":[22],"Fabry-Perot":[23],"cavity,":[24],"rotating":[26],"permanent":[27],"dipole":[28],"magnet":[29,36],"and":[30,168,202,207],"an":[31,44],"ellipsometer.":[32],"2.3":[34],"T":[35],"can":[37,115,137],"rotate":[38],"up":[39],"to":[40,96,144,188],"10":[41,80,89,99],"rev/s,":[42],"introducing":[43],"ellipticity":[45],"signal":[46],"twice":[48],"rotation":[50],"frequency.":[51],"X-pendulum":[53],"gives":[54],"good":[56],"isolation":[57],"ratio":[58],"for":[59],"seismic":[60],"noise":[61,73,110,199],"above":[62],"its":[63],"main":[64],"resonant":[65],"frequency":[66],"0.3":[67],"Hz.":[68,105],"At":[69],"present,":[70],"ellipsometry":[72,198],"decreases":[74],"with":[75,201],"frequency,":[76],"from":[77],"1":[78],"\u00d7":[79,88,98],"\u22125":[81],"rad.Hz":[82,91,101],"\u2212\u00bd":[83,92,102],"5":[85,97],"Hz,":[86],"2":[87],"\u22126":[90],"20":[94],"Hz":[95],"\u22127":[100],"40":[104],"shape":[107],"spectrum":[111],"indicates":[112],"possible":[113],"improvement":[114,210],"be":[116,138],"made":[117],"further":[119],"reducing":[120],"movement":[122],"between":[123],"cavity":[125,149],"mirrors.":[126],"From":[127],"preliminary":[129],"result":[130],"yaw":[132,145,204],"motion":[133,146],"alignment":[134,205],"control,":[135],"it":[136],"seen":[139],"that":[140],"some":[141],"peaks":[142],"due":[143],"mirror":[150],"was":[151,185],"suppressed.":[152],"In":[153],"this":[154],"paper,":[155],"we":[156],"first":[157],"give":[158],"schematic":[160],"view":[161],"then":[169],"present":[170],"measurement":[172],"transfer":[174,195],"function":[175],"compound":[178],"X-pendulum-double":[179],"pendulum":[180],"suspension.":[181],"closed-loop":[183],"control":[184,206],"carried":[186],"out":[187],"verify":[189],"validity":[191],"measured":[194],"functions.":[196],"spectra":[200],"without":[203],"newest":[209],"is":[211],"presented.":[212]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}