Sefahla sa "neutral density filter" ke mofuta oa optical attenuator, o ka fokotsang matla a khanya.Ka mor'a hore leseli le tsoang sebakeng sa leseli le bonahalang ho ea sebakeng sa lebone le haufi le infrared le feta ka har'a sefahla sa "density density" e sa nke lehlakore, maqhubu a fapaneng a khutsufatsoa ka tekanyo e tšoanang, e le hore karolo ea optical e fokotsehe ka tekanyo e tšoanang.Phetiso ea matla a khanya e bolokiloe hoo e batlang e lekana le sehlopha se sephara.E boetse e tsejoa e le sefahla sa "neutral density filter", ND filter, attenuation filter, fixed density filter, joalo-joalo.Li-filters tsa Reflective ND li na le likhoele tsa optical tsa filimi e tšesaane, hangata e le tsa tšepe, tse sebelisitsoeng ho li-substrates tsa khalase.Ho roala ho ka ntlafatsoa bakeng sa mekhahlelo e itseng ea wavelength.Liaparo tsa filimi tse tšesaane li khutlisetsa khanya mohloling.Tlhokomeliso e lokela ho nkoa ho netefatsa hore leseli le hlahisitsoeng ha le kena-kenane le ho seta tsamaiso.Lisefe tsa ND tse kenang li sebelisa karoloana ea khalase ho monya liperesente tse itseng tsa khanya.
Wavelength | 200-1000nm |
ND | 0.1-4, joalo-joalo. |
Boholo | Customized ho ea ka litlhoko tsa bareki |
E sebelisoa haholo lisebelisoa tsa ho lekanya tsa ultraviolet, li-lasers tse fapaneng, lik'hamera tsa optical digital, lik'hamera tsa video, ts'ireletso ea ts'ireletso, lisebelisoa tse fapaneng tsa optical le lisebelisoa, li-filters tsa optical attenuation, lisebelisoa tsa litšoantšo tsa optical, metres ea mosi, lisebelisoa tsa ho lekanya mahlo, li-spectrometer tse haufi le infrared, lisebelisoa tsa tlhahlobo ea biochemical. , joalo-joalo.