He whānui te whakamahinga o ēnei karu tirotiro puta noa i te tukatuka taiaho, te tātaritanga, me te tirotiro ira. I roto i te tapahi, te tohu, me te whakarewa taiaho CO₂, ka taea e rātou te tuku tika i ngā hihi me te whakahaere tukanga. Mō te aroturuki hiko me te tauira, ka tangohia e rātou he wāhanga iti o te hihi mō te ine wā-tūturu me te kore e whakararu i te mahi matua. He mea nui hoki ēnei ki ngā whakaahua wera infrared me ngā ine FTIR, tae atu ki ngā taputapu taiaho hauora me ngā pūnaha pyrometry ahumahi. Ko tā rātou mahi matua ko te wehewehe i te hihi kotahi kia rua, ki te whakakotahi rānei i ngā hihi e rua kia kotahi. I roto i te whirihoranga polarizing (PBS), ka whakahaerehia e rātou ngā hihi he orthogonal ngā toki polarization ki a rātou anō, me te mahi whānui e whakahaerehia ana e te puranga paninga e whakamahia ana ki te papa.
E 20 tau te roangaru e arotahi ana ki te whakarato i ngā hua whatu tino tika.