{"id":"https://openalex.org/A5032693916","orcid":"https://orcid.org/0000-0002-0694-5078","observed_orcids":["https://orcid.org/0000-0002-0694-5078"],"display_name":"Dharmendra Kumar","raw_author_names":["Dharmendra Kumar","Dharmendra Kumar Rai"],"full_name":"Dharmendra Kumar Rai","works_count":85,"cited_by_count":1966,"summary_stats":{"2yr_mean_citedness":11.75,"h_index":22,"i10_index":30},"ids":{"openalex":"https://openalex.org/A5032693916","orcid":"https://orcid.org/0000-0002-0694-5078","observed_orcids":["https://orcid.org/0000-0002-0694-5078"]},"affiliations":[{"institution":{"id":"https://openalex.org/I127727965","ror":"https://ror.org/01a3w2x24","display_name":"Magadh University","country_code":"IN","type":"education","lineage":["https://openalex.org/I127727965"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I162827531","ror":"https://ror.org/02qyf5152","display_name":"Indian Institute of Technology Bombay","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]},"years":[2017,2015,2014]},{"institution":{"id":"https://openalex.org/I189109744","ror":"https://ror.org/013v3cc28","display_name":"Indian Institute of Technology Dhanbad","country_code":"IN","type":"education","lineage":["https://openalex.org/I189109744"]},"years":[2022,2015,2013]},{"institution":{"id":"https://openalex.org/I196934937","ror":"https://ror.org/03yh0n709","display_name":"Liaocheng University","country_code":"CN","type":"education","lineage":["https://openalex.org/I196934937"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I26285277","ror":"https://ror.org/05bvxq496","display_name":"Guru Ghasidas Vishwavidyalaya","country_code":"IN","type":"education","lineage":["https://openalex.org/I26285277"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I2799532815","ror":"https://ror.org/04h1w2j35","display_name":"Madan Mohan Malaviya University of Technology","country_code":"IN","type":"education","lineage":["https://openalex.org/I2799532815"]},"years":[2024,2023,2022,2021,2020,2019,2018,2017]},{"institution":{"id":"https://openalex.org/I3132702812","ror":"https://ror.org/00ba6pg24","display_name":"Uttaranchal University","country_code":"IN","type":"education","lineage":["https://openalex.org/I3132702812"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I343503978","ror":"https://ror.org/01t1agx36","display_name":"Central University of South Bihar","country_code":"IN","type":"education","lineage":["https://openalex.org/I343503978"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210124021","ror":"https://ror.org/038n8fg68","display_name":"Bule Hora University","country_code":"ET","type":"education","lineage":["https://openalex.org/I4210124021"]},"years":[2021]}],"last_known_institutions":[{"id":"https://openalex.org/I127727965","ror":"https://ror.org/01a3w2x24","display_name":"Magadh University","country_code":"IN","type":"education","lineage":["https://openalex.org/I127727965"]},{"id":"https://openalex.org/I26285277","ror":"https://ror.org/05bvxq496","display_name":"Guru Ghasidas Vishwavidyalaya","country_code":"IN","type":"education","lineage":["https://openalex.org/I26285277"]}],"topics":[{"id":"https://openalex.org/T10846","display_name":"Photonic Crystal and Fiber Optics","count":34,"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/T10205","display_name":"Advanced Fiber Optic Sensors","count":33,"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/T10666","display_name":"Photonic Crystals and Applications","count":22,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":18,"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/T10321","display_name":"Quantum Dots Synthesis And Properties","count":13,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10666","display_name":"Photonic Crystals and Applications","value":0.00017,"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/T10846","display_name":"Photonic Crystal and Fiber Optics","value":0.0001686,"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/T10205","display_name":"Advanced Fiber Optic Sensors","value":0.0001639,"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/T14347","display_name":"Big Data and Digital Economy","value":9.7e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10321","display_name":"Quantum Dots Synthesis And Properties","value":7.24e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"107157254","wikidata":"https://www.wikidata.org/wiki/Q1256244","display_name":"Photonic-crystal fiber","score":0.8775581121444702},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8145999908447266},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7269612550735474},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.6797485947608948},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.6145835518836975}],"counts_by_year":[{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":7,"oa_works_count":0,"cited_by_count":9},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":3,"oa_works_count":0,"cited_by_count":19},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":4,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":6,"oa_works_count":1,"cited_by_count":8},{"year":2020,"works_count":12,"oa_works_count":1,"cited_by_count":20},{"year":2021,"works_count":6,"oa_works_count":0,"cited_by_count":55},{"year":2022,"works_count":11,"oa_works_count":0,"cited_by_count":253},{"year":2023,"works_count":6,"oa_works_count":0,"cited_by_count":389},{"year":2024,"works_count":5,"oa_works_count":0,"cited_by_count":389},{"year":2025,"works_count":16,"oa_works_count":4,"cited_by_count":466},{"year":2026,"works_count":3,"oa_works_count":2,"cited_by_count":325}],"display_name_alternatives":["Dharmendra Kumar","Dharmendra Kumar Rai"],"block_key":"d rai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5032693916","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5032693916","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}