{"id":"https://openalex.org/keywords/laser-efficiency","display_name":"laser efficiency","description":"The effectiveness with which a laser or laser-based process converts input energy into useful optical output or work.","display_name_alternatives":["laser energy efficiency","efficiency of lasers"],"ids":{"openalex":"https://openalex.org/keywords/laser-efficiency","wikidata":null},"primary_topic":{"id":"https://openalex.org/T12760","display_name":"Laser Design and Applications","score":0.4091,"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":0.4091,"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/T11127","display_name":"Solid State Laser Technologies","score":0.2751,"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","score":0.1125,"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"}}],"works_count":4399,"cited_by_count":38033,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/laser-efficiency","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}