Fitilar Neon, sunan da ke da sautin waka, ainihin tushen haske ne waɗanda ke fitar da haske ta amfani da iskar gas. Mafi na kowa shine neon (Ne), wanda daga gare shi ya samo sunansa, amma ana iya yin fitilun neon daga iskar gas daban-daban.
Tarihin fitilun neon ya samo asali ne a ƙarshen karni na 19, wanda masanin kimiyar Faransa Georges Claude ya ƙirƙira. Da farko, an yi amfani da su sosai don allunan tallace-tallace na kasuwanci da shimfidar wurare na birane saboda suna iya nuna rubutu da zane mai haske da launuka masu haske. A yau, fitilun neon ba kawai muhimmin fasaha da ƙira ba ne amma ana amfani da su a lokuta daban-daban, kamar wasan kwaikwayo na mataki, kayan ado, da tallan kasuwanci.
Don haka, me yasa hasken neon ke fitar da launuka daban-daban na haske? Wannan shi ne saboda suna iya amfani da nau'ikan iskar gas iri-iri da suturar kyalli. Lokacin da wutar lantarki ta ratsa cikin gas a cikin hasken neon, kwayoyin gas suna jin dadi, suna samar da haske. Gas daban-daban suna samar da launi daban-daban. Misali, Neon (Ne) yana fitar da haske ja, argon (Ar) yana fitar da hasken shudi, helium (He) yana fitar da hasken rawaya, gaurayawar argon da neon yana fitar da hasken lemu. Bugu da ƙari kuma, fitilun neon na iya samar da launuka daban-daban ta amfani da nau'ikan suturar kyalli daban-daban. Ana amfani da murfin mai kyalli akan bangon ciki ko harsashi na hasken neon; lokacin da haske ya wuce ta cikin sutura, yana nunawa kuma ya watse, don haka yana nuna launuka daban-daban.
Don haka, fitilun neon na iya samun launuka daban-daban ta hanyar zabar iskar gas daban-daban da abin rufe fuska, shi ya sa hasken neon ke fitar da launuka iri-iri. Ko ana amfani da shi don hasken yanayi, hasken ado, ko kyaututtukan da aka keɓance, fitilun neon suna da ban sha'awa kuma tushen haske iri-iri.
