He rauemi polycrystalline kōwhai, mārama te konutea selenide, he rahi te kōpura tata ki te 70 μm, ā, ko te whānuitanga tuku kei waenganui i te 0.5 ki te 15 μm. Nā te mea i hangaia mā te whakatakotoranga kohu matū (CVD), kāore tēnei rauemi e whakaatu i te mimiti paru, ā, he iti rawa te ngaronga marara. He iti rawa te mimiti i te roangaru 10.6 μm, koia te mea pai mō ngā wāhanga whatu i roto i ngā pūnaha taiaho CO₂ kaha teitei. Hei tāpiri, he whānuitia te whakamahinga puta noa i ngā pūnaha whatu maha puta noa i tōna awhe tuku katoa.
| Manawanui Ahu | 0.1mm |
| Papatahi | tapatoru |
| Tono | Pūwero-whero |
| PV | 1.5L/INĪNI@633nm |
| Tapa o te Chamfer | *B0.35MAX |
| Kounga mata | Keri 40-20 karawarawa |
| Rahi | Hangaia e te kiritaki |
| Āhua | Porowhita Tapatoru |
| Tae | Kōwhai |