{"id":"https://openalex.org/C14650364","wikidata":"https://www.wikidata.org/wiki/Q7098828","display_name":"Optical attenuator","level":4,"description":null,"works_count":4196,"cited_by_count":21501,"summary_stats":null,"ids":{"openalex":"https://openalex.org/C14650364","wikidata":"https://www.wikidata.org/wiki/Q7098828","mag":null,"wikipedia":"https://en.wikipedia.org/wiki/optical_attenuator","umls_aui":null,"umls_cui":null},"image_url":"https://upload.wikimedia.org/wikipedia/commons/f/f8/Variable_Optical_Attenuator.svg","image_thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Variable_Optical_Attenuator.svg/100px-Variable_Optical_Attenuator.svg.png","international":{},"ancestors":null,"related_concepts":null,"counts_by_year":null,"works_api_url":"https://api.openalex.org/works?filter=concepts.id:14650364","updated_date":"2026-11-05T04:04:43","created_date":"2016-06-24T00:00:00"}