Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1978065115', 'doi': 'https://doi.org/10.1016/j.nima.2004.04.046', 'title': 'Optical resonator of powerful free-electron laser', 'display_name': 'Optical resonator of powerful free-electron laser', 'publication_year': 2004, 'publication_date': '2004-05-08', 'ids': {'openalex': 'https://openalex.org/W1978065115', 'doi': 'https://doi.org/10.1016/j.nima.2004.04.046', 'mag': '1978065115'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.nima.2004.04.046', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S145630073', 'display_name': 'Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment', 'issn_l': '0168-9002', 'issn': ['0168-9002', '1872-9576'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5030982908', 'display_name': 'V. V. Kubarev', 'orcid': 'https://orcid.org/0000-0002-8316-8727'}, 'institutions': [{'id': 'https://openalex.org/I4843557', 'display_name': 'Budker Institute of Nuclear Physics', 'ror': 'https://ror.org/03e5eem51', 'country_code': 'RU', 'type': 'facility', 'lineage': ['https://openalex.org/I1313323035', 'https://openalex.org/I4210096333', 'https://openalex.org/I4210127387', 'https://openalex.org/I4843557']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'Vitaly V Kubarev', 'raw_affiliation_strings': ['Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia'], 'affiliations': [{'raw_affiliation_string': 'Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia', 'institution_ids': ['https://openalex.org/I4843557']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5017462399', 'display_name': 'B.Z. Persov', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4843557', 'display_name': 'Budker Institute of Nuclear Physics', 'ror': 'https://ror.org/03e5eem51', 'country_code': 'RU', 'type': 'facility', 'lineage': ['https://openalex.org/I1313323035', 'https://openalex.org/I4210096333', 'https://openalex.org/I4210127387', 'https://openalex.org/I4843557']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'Boris Z Persov', 'raw_affiliation_strings': ['Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia'], 'affiliations': [{'raw_affiliation_string': 'Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia', 'institution_ids': ['https://openalex.org/I4843557']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5015875271', 'display_name': 'Н.А. Винокуров', 'orcid': 'https://orcid.org/0000-0003-1290-4018'}, 'institutions': [{'id': 'https://openalex.org/I4843557', 'display_name': 'Budker Institute of Nuclear Physics', 'ror': 'https://ror.org/03e5eem51', 'country_code': 'RU', 'type': 'facility', 'lineage': ['https://openalex.org/I1313323035', 'https://openalex.org/I4210096333', 'https://openalex.org/I4210127387', 'https://openalex.org/I4843557']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'Nilolay A Vinokurov', 'raw_affiliation_strings': ['Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia'], 'affiliations': [{'raw_affiliation_string': 'Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia', 'institution_ids': ['https://openalex.org/I4843557']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5108395305', 'display_name': 'Aleksey V Davidov', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4843557', 'display_name': 'Budker Institute of Nuclear Physics', 'ror': 'https://ror.org/03e5eem51', 'country_code': 'RU', 'type': 'facility', 'lineage': ['https://openalex.org/I1313323035', 'https://openalex.org/I4210096333', 'https://openalex.org/I4210127387', 'https://openalex.org/I4843557']}], 'countries': ['RU'], 'is_corresponding': False, 'raw_author_name': 'Aleksey V Davidov', 'raw_affiliation_strings': ['Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia'], 'affiliations': [{'raw_affiliation_string': 'Budker Institute of Nuclear Physics, Lavrent’ev av. 11, Novosibirsk 630090, Russia', 'institution_ids': ['https://openalex.org/I4843557']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2690, 'currency': 'USD', 'value_usd': 2690, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.864, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 17, 'citation_normalized_percentile': {'value': 0.841714, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 85, 'max': 86}, 'biblio': {'volume': '528', 'issue': '1-2', 'first_page': '199', 'last_page': '202'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12760', 'display_name': 'Laser Design and Applications', 'score': 0.9989, '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/T12760', 'display_name': 'Laser Design and Applications', 'score': 0.9989, '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/T10559', 'display_name': 'Particle Accelerators and Free-Electron Lasers', 'score': 0.9921, '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': 0.9906, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/optical-cavity', 'display_name': 'Optical cavity', 'score': 0.6747715}, {'id': 'https://openalex.org/keywords/helical-resonator', 'display_name': 'Helical resonator', 'score': 0.5435876}, {'id': 'https://openalex.org/keywords/output-coupler', 'display_name': 'Output coupler', 'score': 0.44477344}, {'id': 'https://openalex.org/keywords/optical-power', 'display_name': 'Optical power', 'score': 0.44111338}, {'id': 'https://openalex.org/keywords/free-electron-laser', 'display_name': 'Free-electron laser', 'score': 0.41510236}], 'concepts': [{'id': 'https://openalex.org/C97126364', 'wikidata': 'https://www.wikidata.org/wiki/Q349669', 'display_name': 'Resonator', 'level': 2, 'score': 0.92833257}, {'id': 'https://openalex.org/C190269828', 'wikidata': 'https://www.wikidata.org/wiki/Q6856168', 'display_name': 'Optical cavity', 'level': 3, 'score': 0.6747715}, {'id': 'https://openalex.org/C520434653', 'wikidata': 'https://www.wikidata.org/wiki/Q38867', 'display_name': 'Laser', 'level': 2, 'score': 0.6160856}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.6042815}, {'id': 'https://openalex.org/C131584629', 'wikidata': 'https://www.wikidata.org/wiki/Q4308705', 'display_name': 'Coupling (piping)', 'level': 2, 'score': 0.6002087}, {'id': 'https://openalex.org/C206493696', 'wikidata': 'https://www.wikidata.org/wiki/Q5704945', 'display_name': 'Helical resonator', 'level': 3, 'score': 0.5435876}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.5161041}, {'id': 'https://openalex.org/C163258240', 'wikidata': 'https://www.wikidata.org/wiki/Q25342', 'display_name': 'Power (physics)', 'level': 2, 'score': 0.48614737}, {'id': 'https://openalex.org/C91397564', 'wikidata': 'https://www.wikidata.org/wiki/Q15059729', 'display_name': 'Coupling coefficient of resonators', 'level': 3, 'score': 0.4684026}, {'id': 'https://openalex.org/C9986408', 'wikidata': 'https://www.wikidata.org/wiki/Q17125851', 'display_name': 'Output coupler', 'level': 3, 'score': 0.44477344}, {'id': 'https://openalex.org/C191161701', 'wikidata': 'https://www.wikidata.org/wiki/Q559265', 'display_name': 'Optical power', 'level': 3, 'score': 0.44111338}, {'id': 'https://openalex.org/C49040817', 'wikidata': 'https://www.wikidata.org/wiki/Q193091', 'display_name': 'Optoelectronics', 'level': 1, 'score': 0.419034}, {'id': 'https://openalex.org/C2775876984', 'wikidata': 'https://www.wikidata.org/wiki/Q586386', 'display_name': 'Free-electron laser', 'level': 3, 'score': 0.41510236}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.32602102}, {'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/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.nima.2004.04.046', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S145630073', 'display_name': 'Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment', 'issn_l': '0168-9002', 'issn': ['0168-9002', '1872-9576'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Affordable and clean energy', 'score': 0.89, 'id': 'https://metadata.un.org/sdg/7'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 5, 'referenced_works': ['https://openalex.org/W1975927641', 'https://openalex.org/W2011879121', 'https://openalex.org/W2082744165', 'https://openalex.org/W2088640481', 'https://openalex.org/W2274458968'], 'related_works': ['https://openalex.org/W3093821263', 'https://openalex.org/W2798568808', 'https://openalex.org/W2384732890', 'https://openalex.org/W2321704351', 'https://openalex.org/W2063946305', 'https://openalex.org/W2002255083', 'https://openalex.org/W1974808523', 'https://openalex.org/W1953499842', 'https://openalex.org/W1883077446', 'https://openalex.org/W1500936359'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1978065115', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-16T10:43:20.282886', 'created_date': '2016-06-24'}