F-Theta Lens
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ʻO 1064nm F-Theta e nānā ana i nā Lens no ka hōʻailona Laser
ʻO nā lens F-Theta - i kapa ʻia ʻo nā pahuhopu scan a i ʻole nā pahuhopu kahua palahalaha - he ʻōnaehana lens i hoʻohana pinepine ʻia i nā noi scan.Aia ma ke ala beam ma hope o ke poʻo scan, hana lākou i nā hana like ʻole.
Hoʻohana maʻamau ʻia ka pahuhopu F-theta me kahi scanner laser ma muli o galvo.Loaʻa iā ia he 2 mau hana nui: e kau i ka wahi laser a palahalaha i ke kahua kiʻi, e like me ka mea i hōʻike ʻia ma ke kiʻi ma lalo nei.Ua like ka neʻe ʻana o ka kukuna puka me f*θ, no laila ua hāʻawi ʻia ka inoa o ka pahuhopu f-theta.Ma ka hoʻokomo ʻana i ka nui o ka distortion barela i loko o ka lens scanning, lilo ka F-Theta scanning lens i mea koho maikaʻi loa no nā noi e koi ana i kahi kahua pālahalaha ma ka mokulele kiʻi e like me ka nānā ʻana i ka laser, ka māka, ke kaha ʻana a me nā ʻōnaehana ʻoki.Ma muli o nā koi o ka noi, hiki ke hoʻopaʻa ʻia kēia mau ʻōnaehana lens palena ʻokoʻa e helu no ka lōʻihi o ka nalu, ka nui kiko, a me ka lōʻihi o ke kiko, a paʻa ka distortion ma lalo o 0.25% ma ke kahua o ka nānā ʻana o ka lens.
