ʻO ka mīkini ʻoki optical ultra-precision e hiki ai i ka pololei sub-micron a nanometer i ka hana ʻana kiʻekiʻe, a he mea nui ka kaohi mahana paʻa no ka mālama ʻana i kēia hana. Hāʻawi nā chillers precision i ke kūpaʻa wela e pono ai no ka mīkini ʻana, ka hoʻopili ʻana, a me nā lako nānā e hana mau a hilinaʻi hoʻi.