Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2551948500', 'doi': 'https://doi.org/10.1088/0957-0233/27/7/074012', 'title': 'Two-degree-of-freedom displacement measurement system based on double diffraction gratings', 'display_name': 'Two-degree-of-freedom displacement measurement system based on double diffraction gratings', 'publication_year': 2016, 'publication_date': '2016-05-31', 'ids': {'openalex': 'https://openalex.org/W2551948500', 'doi': 'https://doi.org/10.1088/0957-0233/27/7/074012', 'mag': '2551948500'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1088/0957-0233/27/7/074012', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S109302362', 'display_name': 'Measurement Science and Technology', 'issn_l': '0957-0233', 'issn': ['0957-0233', '1361-6501'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], '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/A5029726063', 'display_name': 'Zhengang Lu', 'orcid': 'https://orcid.org/0000-0001-6490-5819'}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': True, 'raw_author_name': 'Zhengang Lu', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101853153', 'display_name': 'Peipei Wei', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Peipei Wei', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100616953', 'display_name': 'Chaoqun Wang', 'orcid': 'https://orcid.org/0000-0002-2127-4110'}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Chaoqun Wang', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5046644789', 'display_name': 'Jialei Jing', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Jialei Jing', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5090605103', 'display_name': 'Jiubin Tan', 'orcid': 'https://orcid.org/0000-0002-0941-7932'}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Jiubin Tan', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5050889922', 'display_name': 'Zhao Xi-ping', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I204983213', 'display_name': 'Harbin Institute of Technology', 'ror': 'https://ror.org/01yqg2h08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204983213']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Xiping Zhao', 'raw_affiliation_strings': ["Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China"], 'affiliations': [{'raw_affiliation_string': "Institute of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, People's Republic of China", 'institution_ids': ['https://openalex.org/I204983213']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5029726063'], 'corresponding_institution_ids': ['https://openalex.org/I204983213'], 'apc_list': None, 'apc_paid': None, 'fwci': 1.739, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 23, 'citation_normalized_percentile': {'value': 0.886413, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '27', 'issue': '7', 'first_page': '074012', 'last_page': '074012'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11583', 'display_name': 'Advanced Measurement and Metrology Techniques', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2210', 'display_name': 'Mechanical 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/T11583', 'display_name': 'Advanced Measurement and Metrology Techniques', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2210', 'display_name': 'Mechanical 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/T10638', 'display_name': 'Optical measurement and interference techniques', 'score': 0.9991, 'subfield': {'id': 'https://openalex.org/subfields/1707', 'display_name': 'Computer Vision and Pattern Recognition'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T13049', 'display_name': 'Surface Roughness and Optical Measurements', 'score': 0.9972, 'subfield': {'id': 'https://openalex.org/subfields/2206', 'display_name': 'Computational Mechanics'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C2777813233', 'wikidata': 'https://www.wikidata.org/wiki/Q1527816', 'display_name': 'Grating', 'level': 2, 'score': 0.89322567}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.7993591}, {'id': 'https://openalex.org/C107551265', 'wikidata': 'https://www.wikidata.org/wiki/Q1458245', 'display_name': 'Displacement (psychology)', 'level': 2, 'score': 0.6968777}, {'id': 'https://openalex.org/C32022120', 'wikidata': 'https://www.wikidata.org/wiki/Q797225', 'display_name': 'Interference (communication)', 'level': 3, 'score': 0.62028384}, {'id': 'https://openalex.org/C207114421', 'wikidata': 'https://www.wikidata.org/wiki/Q133900', 'display_name': 'Diffraction', 'level': 2, 'score': 0.5696224}, {'id': 'https://openalex.org/C126753812', 'wikidata': 'https://www.wikidata.org/wiki/Q653294', 'display_name': 'Diffraction grating', 'level': 3, 'score': 0.5482866}, {'id': 'https://openalex.org/C1363856', 'wikidata': 'https://www.wikidata.org/wiki/Q883195', 'display_name': 'Blazed grating', 'level': 4, 'score': 0.52331424}, {'id': 'https://openalex.org/C17825722', 'wikidata': 'https://www.wikidata.org/wiki/Q17285', 'display_name': 'Plane (geometry)', 'level': 2, 'score': 0.45103392}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.38764438}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.3310697}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.2610212}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.11488235}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.112546355}, {'id': 'https://openalex.org/C76155785', 'wikidata': 'https://www.wikidata.org/wiki/Q418', 'display_name': 'Telecommunications', 'level': 1, 'score': 0.11054963}, {'id': 'https://openalex.org/C127162648', 'wikidata': 'https://www.wikidata.org/wiki/Q16858953', 'display_name': 'Channel (broadcasting)', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C542102704', 'wikidata': 'https://www.wikidata.org/wiki/Q183257', 'display_name': 'Psychotherapist', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1088/0957-0233/27/7/074012', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S109302362', 'display_name': 'Measurement Science and Technology', 'issn_l': '0957-0233', 'issn': ['0957-0233', '1361-6501'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.52, 'id': 'https://metadata.un.org/sdg/10', 'display_name': 'Reduced inequalities'}, {'score': 0.51, 'id': 'https://metadata.un.org/sdg/16', 'display_name': 'Peace, justice, and strong institutions'}], 'grants': [{'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '61008031'}, {'funder': 'https://openalex.org/F4320321001', 'funder_display_name': 'National Natural Science Foundation of China', 'award_id': '61575075'}, {'funder': 'https://openalex.org/F4320335787', 'funder_display_name': 'Fundamental Research Funds for the Central Universities', 'award_id': 'HIT.NSRIF. 2014020'}], 'datasets': [], 'versions': [], 'referenced_works_count': 19, 'referenced_works': ['https://openalex.org/W1658472922', 'https://openalex.org/W1972683744', 'https://openalex.org/W1974231968', 'https://openalex.org/W1983348509', 'https://openalex.org/W1986545556', 'https://openalex.org/W1997491027', 'https://openalex.org/W2009375586', 'https://openalex.org/W2036050409', 'https://openalex.org/W2039924400', 'https://openalex.org/W2048209476', 'https://openalex.org/W2052506786', 'https://openalex.org/W2076365604', 'https://openalex.org/W2081689099', 'https://openalex.org/W2088433467', 'https://openalex.org/W2144531427', 'https://openalex.org/W2159391728', 'https://openalex.org/W2365069742', 'https://openalex.org/W2370706709', 'https://openalex.org/W4244664608'], 'related_works': ['https://openalex.org/W4321262545', 'https://openalex.org/W4283512484', 'https://openalex.org/W4280555649', 'https://openalex.org/W4280537711', 'https://openalex.org/W2548693673', 'https://openalex.org/W2351403114', 'https://openalex.org/W2100956557', 'https://openalex.org/W2073524920', 'https://openalex.org/W1978100780', 'https://openalex.org/W1965944318'], 'abstract_inverted_index': {'A': [0], 'two-degree-of-freedom': [1], '(2-DOF)': [2], 'displacement': [3, 131], 'measurement': [4, 132], 'system': [5, 45, 83, 105, 119, 125], 'based': [6], 'on': [7], 'double': [8], 'diffraction': [9], 'gratings': [10], 'is': [11], 'proposed': [12], 'in': [13, 59, 94, 129], 'this': [14], 'paper,': [15], 'which': [16], 'consists': [17], 'of': [18, 50, 87, 103, 117, 133], 'a': [19, 24, 29, 51], 'reflective-type': [20], 'scale': [21], 'grating': [22, 25, 62, 69, 79], 'and': [23, 64, 71, 90, 106, 115, 136], 'read': [26], 'head': [27], 'with': [28, 39, 109], 'scanning': [30, 61, 68, 78], 'transmission': [31], 'grating.': [32], 'Combining': [33], 'the': [34, 40, 44, 48, 55, 60, 67, 77, 85, 95, 100, 104, 110, 113, 118, 130], 'traditional': [35], 'three-grating': [36], 'interference': [37, 42, 92], 'principle': [38], 'Michelson': [41], 'principle,': [43], 'can': [46], 'measure': [47], 'displacements': [49], 'precision': [52], 'stage': [53], 'along': [54], 'horizontal': [56], 'direction': [57, 73], '(X-axis,': [58], 'plane': [63], 'vertical': [65, 72, 75], 'to': [66, 76], 'lines)': [70], '(Z-axis,': [74], 'plane)': [80], 'simultaneously.': [81], 'The': [82, 123], 'has': [84], 'merits': [86], 'compact': [88], 'structure': [89], 'uncoupled': [91], 'signals': [93, 102], 'two': [96], 'axes.': [97], 'By': [98], 'simulating': [99], 'output': [101], 'comparing': [107], 'them': [108], 'experimental': [111], 'results,': [112], 'validity': [114], 'feasibility': [116], 'have': [120], 'been': [121], 'verified.': [122], '2-DOF': [124], 'will': [126], 'be': [127], 'favorable': [128], 'multi-dimensional': [134], 'stages': [135], 'multi-DOF': [137], 'machines.': [138]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2551948500', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 5}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2025-01-03T21:07:16.729312', 'created_date': '2016-11-30'}