Fiber optic adaftar, wani lokacin kuma ana kiranta coupler, wata karamar na'ura ce da aka ƙera don ƙare ko haɗa igiyoyin fiber optic ko fiber optic connectors tsakanin layukan fiber optic guda biyu.Ta hanyar haɗa masu haɗin kai guda biyu daidai, masu adaftar fiber optic suna ba da damar watsa hasken wuta a mafi yawan kuma rage asarar gwargwadon yiwuwa.A lokaci guda, masu adaftar fiber optic suna da fa'idodin ƙarancin sakawa, haɓaka mai kyau da haɓakawa.GL Fiber yana ba da nau'ikan hannayen riga da na'urorin adaftar, gami da na'urar adaftar fiber optic na namiji na musamman.