{"id":"https://openalex.org/A5111614385","orcid":null,"observed_orcids":[],"display_name":"S. Lutgen","raw_author_names":["S Lutgen","S Luttgen","S. Lutgen","St. Lutgen"],"full_name":"St. Lutgen","works_count":57,"cited_by_count":608,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":13,"i10_index":16},"ids":{"openalex":"https://openalex.org/A5111614385","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I149899117","ror":"https://ror.org/01hhn8329","display_name":"Max Planck Society","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I161103922","ror":"https://ror.org/01rdrb571","display_name":"Philipps University of Marburg","country_code":"DE","type":"education","lineage":["https://openalex.org/I161103922"]},"years":[1996,1995,1994,1993]},{"institution":{"id":"https://openalex.org/I4210090068","ror":"https://ror.org/0083ncs46","display_name":"Fraunhofer Institute for Applied Solid State Physics","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210090068","https://openalex.org/I4923324"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I4210103613","ror":"https://ror.org/01c0x3431","display_name":"OSRAM (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210103613"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210108298","ror":"https://ror.org/01t4pxy10","display_name":"Dresden International University","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210108298"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I4210114553","ror":"https://ror.org/01y01jq30","display_name":"Hochschule f\u00fcr Musik Dresden","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210114553"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I4210135798","ror":"https://ror.org/03jbf6q27","display_name":"Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I4210135798"]},"years":[1997,1996,1995,1994]},{"institution":{"id":"https://openalex.org/I4387154934","ror":"https://ror.org/05v6nhz77","display_name":"Osram Opto Semiconductors","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210103613","https://openalex.org/I4387154934"]},"years":[2011,2010,2009,2008,2007,2006,2005,2004,2003]},{"institution":{"id":"https://openalex.org/I4405256035","ror":"https://ror.org/03pkh6520","display_name":"Grupo de Investiga\u00e7\u00e3o em Engenharia e Computa\u00e7\u00e3o Inteligente para a Inova\u00e7\u00e3o e o Desenvolvimento","country_code":"PT","type":"education","lineage":["https://openalex.org/I4405256035","https://openalex.org/I83863532"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I4405267316","ror":"https://ror.org/0260yv019","display_name":"German Center for Neurodegenerative Diseases (DZNE) Dresden","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2801533059","https://openalex.org/I4405256427","https://openalex.org/I4405267316"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I83863532","ror":"https://ror.org/04988re48","display_name":"Universidade T\u00e9cnica do Porto","country_code":"PT","type":"education","lineage":["https://openalex.org/I83863532"]},"years":[2008]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":31,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":28,"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/T11127","display_name":"Solid State Laser Technologies","count":20,"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/T10099","display_name":"GaN-based semiconductor devices and materials","count":16,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T10566","display_name":"Laser-Matter Interactions and Applications","count":13,"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"}}],"topic_share":[{"id":"https://openalex.org/T11127","display_name":"Solid State Laser Technologies","value":0.0001064,"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/T12309","display_name":"solar cell performance optimization","value":0.0001062,"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/T12760","display_name":"Laser Design and Applications","value":8.21e-05,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","value":7.78e-05,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":7.44e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8421741724014282},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.8348445892333984},{"id":"520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","score":0.7704403400421143},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7503900527954102},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.6185891628265381}],"counts_by_year":[{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":12,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":37},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":18},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["S Lutgen","S Luttgen","S. Lutgen","St. Lutgen"],"block_key":"s lutgen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111614385","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}