F-Theta Lens
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1064nm F-Theta Focusing Lens ya Laser Marking
Magalasi a F-Theta - omwe amatchedwanso kuti scan kapena zolinga za flat field - ndi ma lens omwe amagwiritsidwa ntchito nthawi zambiri pojambula.Ili mu njira yamtengo pambuyo pa jambulani mutu, amachita ntchito zosiyanasiyana.
Cholinga cha F-theta nthawi zambiri chimagwiritsidwa ntchito limodzi ndi sikani ya laser yochokera ku galvo.Ili ndi ntchito zazikulu ziwiri: yang'anani malo a laser ndikuwongolera gawo lazithunzi, monga momwe chithunzi chili pansipa.Kusamuka kwa mtengowo ndi kofanana ndi f * θ, chifukwa chake adapatsidwa dzina la cholinga cha f-theta.Poyambitsa kupotoza kwa mbiya mu lens yojambulira, mandala a F-Theta amakhala njira yabwino kwa mapulogalamu omwe amafunikira malo athyathyathya pa ndege yazithunzi monga kusanthula kwa laser, kuyika chizindikiro, kujambula ndi kudula makina.Kutengera ndi zofunikira pakugwiritsa ntchito, ma diffraction limited lens system awa amatha kukonzedwa kuti azitha kuwerengera kutalika kwa mafunde, kukula kwa malo, ndi kutalika kwapakatikati, ndipo kupotoza kumakhala kosakwana 0.25% m'gawo lonse la mawonedwe a mandala.
