🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiTiếng Việtالعربيةفارسیहिन्दी한국어中文日本語EntityQ933263· pop 19· linked from 209 articlesLaser hồng ngọcAlso known as corundum laser, ruby rodsolid-state [visible light] laser with ruby as gain mediumWikidata factsImageLaser pistol.jpgSources (2)wikidata.orgdocs.openalex.orgvia Wikidata · CC0Available in 18 languagesEspañolFrançaisDeutsch中文日本語ItalianoالعربيةCroatianHebrewNederlandsPolskiConnectionsCharles Hard TownesEntityNd:YAG laserEntityCategoriesSolid-state lasers