ʻO ke kukui ʻulaʻula a me ke kukui infrared ʻelua ʻano o ka radiation electromagnetic he ʻāpana o ka spectrum kukui ʻike ʻia a ʻike ʻole ʻia.
ʻO ke kukui ʻulaʻula kahi ʻano kukui ʻike ʻia me ka lōʻihi o ka nalu a me ka alapine haʻahaʻa i hoʻohālikelike ʻia me nā kala ʻē aʻe i ka spectrum kukui ʻike ʻia. Hoʻohana pinepine ʻia ia i ke kukui a ma ke ʻano he mea hōʻailona, e like me nā kukui kū. I ka lāʻau lapaʻau, hoʻohana ʻia ka lāʻau lapaʻau kukui ʻulaʻula e mālama i nā ʻano maʻi like ʻole e like me nā pilikia ʻili, ka ʻeha hui, a me ka ʻeha ʻiʻo.
ʻO ke kukui infrared, ma ka ʻaoʻao ʻē aʻe, he lōʻihi ka nalu a me ke alapine kiʻekiʻe ma mua o ke kukui ʻulaʻula a ʻaʻole ʻike ʻia e ka maka kanaka. Hoʻohana ʻia ia i nā ʻano hana like ʻole, e like me nā mana mamao, nā kāmela kiʻi wela, a ma ke ʻano he kumu wela i nā kaʻina hana inductrial. I ka lāʻau lapaʻau, hoʻohana ʻia ka lāʻau lapaʻau kukui infrared no ka hōʻoluʻolu ʻana i ka ʻeha a me ka hoʻomaikaʻi ʻana i ke kahe koko.
Loaʻa i ke kukui ʻulaʻula a me ke kukui infrared nā ʻano kūikawā e hoʻohana pono ai iā lākou ma nā ʻano like ʻole, mai ke kukui ʻana a me ka hōʻailona ʻana a hiki i ka lāʻau lapaʻau a me ka ʻenehana.