An ƙera na'urar haskakawa ta baya don nuna shigar hasken baya ta hanyar mahaɗin da ke fitowa daga zare. Ana iya amfani da su don samar da na'urar auna zare ko kuma don gina na'urar laser mai ƙarancin ƙarfi. Waɗannan na'urorin haskakawa sun dace da ma'aunin ƙayyadaddun ƙayyadaddun na'urorin haskakawa na baya ga na'urori masu watsawa, amplifiers, da sauran na'urori.
Ana samun na'urorin retroreflectors na fiber optic a cikin nau'ikan zare guda ɗaya (SM), polarizing (PM), ko multimode (MM). Fim ɗin azurfa mai kariya a ƙarshen ɗaya na tsakiyar zare yana ba da matsakaicin haske na ≥97.5% daga 450 nm har zuwa tsawon tsayin zaren sama. An haɗa ƙarshen a cikin gidan ƙarfe mai bakin ƙarfe Ø9.8mm (inci 0.39) tare da lambar kayan da aka zana a kai. Ɗayan ƙarshen zare ɗin an haɗa shi da mahaɗin kunkuntar 2.0 mm na FC/PC(SM, PM, ko mm fiber) ko FC/APC(SM ko PM). Ga zare na PM, maɓalli mai kunkuntar yana daidaita da axis ɗinsa mai jinkirin.
Kowace jumper tana ɗauke da murfin kariya don hana ƙura ko wasu gurɓatattun abubuwa mannewa a ƙarshen toshewar. Ana buƙatar a sayi ƙarin murfin filastik na CAPF da murfin zare na ƙarfe na FC/PC da FC/APCCAPFM daban.
Ana iya haɗa tsalle-tsalle ta hanyar amfani da bushings masu dacewa, wanda ke rage nunin baya da kuma tabbatar da daidaito mai kyau tsakanin ƙarshen zaren da aka haɗa.
