Abubuwan sha na kusa-infrared sun haɗu da babban bayyanar haske na bayyane tare da zaɓi mai ƙarfi akan hasken infrared na kusa.Misali, ta hanyar yin amfani da shi zuwa kayan taga, ana yanke makamashin hasken hasken da ke kusa da su a cikin hasken rana yadda ya kamata yayin da ake samun isasshen haske, wanda ke haifar da wani tasiri da ke danne yanayin zafi a dakin.

Hasken rana ya ƙunshi haskoki na ultraviolet (UVC: ~ 290 nm, UVB: 290 zuwa 320 nm, UVA: 320 zuwa 380 nm), hasken da ake iya gani (380 zuwa 780 nm), kusa da hasken infrared (780 zuwa 2500 nm), da tsakiyar infrared. haskoki (2500 zuwa 4000 nm).Matsakaicin makamashinsa shine kashi 7% na haskoki na ultraviolet, 47% don haskoki na bayyane, da 46% don haskoki na kusa da tsakiyar infrared.Hasken infrared na kusa (daga baya an rage shi azaman NIR) suna da ƙarfin radiation mafi girma a guntuwar raƙuman ruwa, kuma suna shiga cikin fata kuma suna da babban tasirin haifar da zafi, don haka ana kiran su "hasken zafi."

Gilashin ɗaukar zafi ko gilashin nunin zafi ana amfani dashi gabaɗaya don kare gilashin taga daga hasken rana.Gilashin mai ɗaukar zafi ana yin shi ta hanyar NIR-ƙarar baƙin ƙarfe (Fe), da sauransu wanda aka murɗa cikin gilashin, kuma ana iya kera shi cikin rahusa.Duk da haka, ba za a iya tabbatar da ingantaccen haske na bayyane ba saboda yana da sautin launi na musamman ga kayan.Gilashin mai nuna zafi, a daya bangaren, yana ƙoƙarin nuna ƙarfin hasken rana ta hanyar samar da karafa da oxides a zahiri a saman gilashin.Koyaya, tsayin raƙuman raƙuman raƙuman raƙuman raƙuman ruwa sun miƙe zuwa haske mai gani, wanda ke haifar da kyalli a cikin bayyanar da tsoma bakin rediyo.Watsawa na masu jagoranci na gaskiya irin su ITOs da ATOs masu aiki da hasken rana tare da bayyanannun haske mai haske kuma babu rushewar igiyoyin rediyo a cikin sinadarai masu kyau suna haifar da bayanin martaba kamar yadda aka nuna a cikin hoto. kalaman nuna gaskiya.

Tasirin inuwa na hasken rana ana bayyana shi da ƙididdigewa dangane da ƙimar sayan zafin zafin hasken rana (ƙarancin ƙarfin hasken rana da ke gudana ta cikin gilashin) ko ma'aunin garkuwar hasken rana wanda aka daidaita da gilashin haske mai kauri 3 mm.