ʻO nā aniani kokoke i ka infrared he mau aniani infrared i hoʻonohonoho pono ʻia no ka ʻāpana infrared kokoke, mai 900 nm a i 1700 nm. Loaʻa i kēia mau aniani aspheric ka hana pololei kiʻekiʻe ma o ka spectrum NIR.
Ua kālele ʻia ka nalu i ka hāʻawi ʻana i nā huahana optical kiʻekiʻe no 20 mau makahiki