{"id":"https://openalex.org/W3010611684","doi":"https://doi.org/10.1109/caol46282.2019.9019486","title":"Formation of Space Charge Wave with Wide Frequency Spectrum in Helical Electron Beam of Two-Stream FEL Transit Section with Longitudinal Electric Field","display_name":"Formation of Space Charge Wave with Wide Frequency Spectrum in Helical Electron Beam of Two-Stream FEL Transit Section with Longitudinal Electric Field","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W3010611684","doi":"https://doi.org/10.1109/caol46282.2019.9019486","mag":"3010611684"},"language":"en","primary_location":{"id":"doi:10.1109/caol46282.2019.9019486","doi":"https://doi.org/10.1109/caol46282.2019.9019486","is_oa":false,"landing_page_url":"https://doi.org/10.1109/caol46282.2019.9019486","pdf_url":null,"source":{"id":"https://openalex.org/S4306417881","display_name":"CAOL . International Conference on Advanced Optoelectronics and Lasers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 8th International Conference on Advanced Optoelectronics and Lasers (CAOL)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063902907","display_name":"Alexander V. Lysenko","orcid":"https://orcid.org/0000-0001-6925-4007","observed_orcids":["https://orcid.org/0000-0001-6925-4007"]},"institutions":[{"id":"https://openalex.org/I25822123","display_name":"Sumy State University","ror":"https://ror.org/01w60n236","country_code":"UA","type":"education","lineage":["https://openalex.org/I25822123"]}],"countries":["UA"],"is_corresponding":false,"raw_author_name":"Alexander Lysenko","raw_affiliation_strings":["Department of Applied Mathematics and Complex Systems Modeling, Sumy State University, Sumy, Ukraine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics and Complex Systems Modeling, Sumy State University, Sumy, Ukraine","institution_ids":["https://openalex.org/I25822123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032196724","display_name":"Iurii Volk","orcid":"https://orcid.org/0000-0002-0262-762X","observed_orcids":["https://orcid.org/0000-0002-0262-762X"]},"institutions":[{"id":"https://openalex.org/I25822123","display_name":"Sumy State University","ror":"https://ror.org/01w60n236","country_code":"UA","type":"education","lineage":["https://openalex.org/I25822123"]}],"countries":["UA"],"is_corresponding":false,"raw_author_name":"Iurii Volk","raw_affiliation_strings":["Department of Applied Mathematics and Complex Systems Modeling, Sumy State University, Sumy, Ukraine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics and Complex Systems Modeling, Sumy State University, Sumy, Ukraine","institution_ids":["https://openalex.org/I25822123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033204962","display_name":"Galyna A. Oleksiienko","orcid":"https://orcid.org/0000-0002-0274-5095","observed_orcids":["https://orcid.org/0000-0002-0274-5095"]},"institutions":[{"id":"https://openalex.org/I25822123","display_name":"Sumy State University","ror":"https://ror.org/01w60n236","country_code":"UA","type":"education","lineage":["https://openalex.org/I25822123"]}],"countries":["UA"],"is_corresponding":false,"raw_author_name":"Galyna Oleksiienko","raw_affiliation_strings":["Department of Computer Science, Sumy State University, Sumy, Ukraine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Sumy State University, Sumy, Ukraine","institution_ids":["https://openalex.org/I25822123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I25822123"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":null,"first_page":"267","last_page":"270"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10559","display_name":"Particle Accelerators and Free-Electron Lasers","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10559","display_name":"Particle Accelerators and Free-Electron Lasers","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11175","display_name":"Gyrotron and Vacuum Electronics Research","score":0.006500000134110451,"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/T11367","display_name":"Particle accelerators and beam dynamics","score":0.0026000000070780516,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/space-charge-waves","display_name":"space-charge waves","score":0.9900000095367432},{"id":"https://openalex.org/keywords/helical-electron-beam","display_name":"helical electron beam","score":0.9160000085830688},{"id":"https://openalex.org/keywords/longitudinal-electric-field","display_name":"longitudinal electric field","score":0.8569999933242798},{"id":"https://openalex.org/keywords/saturation-length","display_name":"saturation length","score":0.6499999761581421},{"id":"https://openalex.org/keywords/relativistic-electron-beams","display_name":"relativistic electron beams","score":0.8370000123977661}],"concepts":[{"id":"https://openalex.org/C60799052","wikidata":"https://www.wikidata.org/wiki/Q46221","display_name":"Electric field","level":2,"score":0.7938165664672852},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.686302661895752},{"id":"https://openalex.org/C188414643","wikidata":"https://www.wikidata.org/wiki/Q3001183","display_name":"Harmonics","level":3,"score":0.6315738558769226},{"id":"https://openalex.org/C103132145","wikidata":"https://www.wikidata.org/wiki/Q1669228","display_name":"Space charge","level":3,"score":0.570517361164093},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.545040488243103},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.47568976879119873},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.4516153633594513},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.42407655715942383},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3434634506702423},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.26303184032440186},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/caol46282.2019.9019486","doi":"https://doi.org/10.1109/caol46282.2019.9019486","is_oa":false,"landing_page_url":"https://doi.org/10.1109/caol46282.2019.9019486","pdf_url":null,"source":{"id":"https://openalex.org/S4306417881","display_name":"CAOL . International Conference on Advanced Optoelectronics and Lasers","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 8th International Conference on Advanced Optoelectronics and Lasers (CAOL)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2011016353","https://openalex.org/W2023057816","https://openalex.org/W2030089746","https://openalex.org/W2032851338","https://openalex.org/W2035159733","https://openalex.org/W2037434723","https://openalex.org/W2481325264","https://openalex.org/W2605183116","https://openalex.org/W2698666724","https://openalex.org/W2788054831","https://openalex.org/W2884037365","https://openalex.org/W2915005427","https://openalex.org/W4250113973","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2982006550","https://openalex.org/W3010430275","https://openalex.org/W2698666724","https://openalex.org/W2788054831","https://openalex.org/W4321636310","https://openalex.org/W2766575821","https://openalex.org/W3100188078","https://openalex.org/W6992841079","https://openalex.org/W2983217450","https://openalex.org/W7093720514"],"abstract_inverted_index":{"The":[0],"longitudinal":[1],"electric":[2,55,76],"field":[3,56,77],"effect":[4],"on":[5],"the":[6,19,40,50,53,62,67,74,79,82,90],"formation":[7],"of":[8,31,42,52,66,81,92],"a":[9],"space":[10],"charge":[11],"wave":[12],"(SCW)":[13],"with":[14],"wide":[15],"frequency":[16,68],"spectrum":[17],"in":[18,28],"helical":[20],"two-stream":[21,33],"relativistic":[22],"electron":[23],"beam":[24],"(REB),":[25],"which":[26],"moves":[27],"transit":[29],"section":[30],"multiharmonic":[32,63],"superheterodyne":[34],"free-electron":[35],"laser,":[36],"is":[37,47,71],"analyzed.":[38],"In":[39],"framework":[41],"cubic":[43],"nonlinear":[44],"approximation,":[45],"it":[46,58],"shown":[48,72],"that":[49,73],"use":[51],"accelerating":[54],"makes":[57],"possible":[59],"to":[60],"increase":[61,80],"SCW":[64,85],"width":[65],"spectrum.":[69],"It":[70],"retarding":[75],"causes":[78],"amplitude":[83],"level":[84],"harmonics,":[86],"as":[87,89],"well":[88],"decrease":[91],"its":[93],"saturation":[94],"length.":[95]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2020-03-13T00:00:00"}