Optical modulation ndi kuwonjezera chidziwitso kwa chonyamulira kuwala mafunde, kotero kuti chizindikiro cha chonyamulira kuwala mafunde kusintha ndi kusintha kwa chizindikiro kunja, kuphatikizapo mphamvu ya mafunde kuwala, gawo, pafupipafupi, polarization, wavelength ndi zina zotero. Kuwala kosinthika komwe kumanyamula chidziwitsocho kumafalitsidwa mu ulusi, kuzindikiridwa ndi chojambulira zithunzi, kenako ndikuchotsa zomwe zikufunika.
Maziko akuthupi a electro-optic modulation ndi electro-optic effect, ndiko kuti, pansi pa mphamvu ya magetsi ogwiritsidwa ntchito, chiwerengero cha refractive cha makristasi ena chidzasintha, ndipo pamene kuwala kwa kuwala kumadutsa mu sing'anga iyi, zizindikiro zake zotumizira zidzakhudzidwa ndi kusinthidwa.
Pali mitundu yambiri ya ma electro-optic modulators(EO modulator), omwe amatha kugawidwa m'magulu osiyanasiyana malinga ndi miyezo yosiyanasiyana.
Malinga ndi ma elekitirodi osiyanasiyana, EOM ikhoza kugawidwa kukhala lumped parameter modulator ndi modulator yoyendayenda.
Malinga ndi mawonekedwe osiyanasiyana a waveguide, EOIM ikhoza kugawidwa kukhala Msch-Zehnder interference intensity modulator ndi directional coupling intensity modulator.
Malinga ndi ubale pakati pa mayendedwe a kuwala ndi momwe magetsi amayendera, EOM imatha kugawidwa kukhala ma modulators aatali ndi ma modulator odutsa. The longitudinal electro-optic modulator ali ndi ubwino wa dongosolo losavuta, ntchito khola (odziimira polarization), palibe birefringence zachilengedwe, etc. kuipa kwake ndi kuti theka-wave voteji ndi okwera kwambiri, makamaka pamene kusinthasintha pafupipafupi ndi mkulu, kutaya mphamvu ndi lalikulu.
Electro-optical intensity modulator ndi chinthu chophatikizika kwambiri cha Rofea chokhala ndi ufulu wodziyimira pawokha waluso. Chidachi chimagwirizanitsa ma electro-optical intensity modulator, microwave amplifier ndi dera lake loyendetsa galimoto kukhala imodzi, zomwe sizimangothandiza kugwiritsa ntchito ogwiritsa ntchito, komanso zimathandizira kwambiri kudalirika kwa MZ intensity modulator, ndipo ikhoza kupereka ntchito zosinthidwa malinga ndi zosowa za ogwiritsa ntchito.
Mbali:
⚫ Kutayika kochepa kolowetsa
⚫ bandwidth yogwira ntchito kwambiri
⚫ Kupindula kosinthika ndi malo ogwirira ntchito
⚫ AC 220V
⚫ Yosavuta kugwiritsa ntchito, gwero loyatsira losankha
Ntchito:
⚫Njira yothamanga kwambiri yosinthira kunja
⚫ Dongosolo lophunzitsira ndi zoyeserera
⚫Jenereta yamagetsi yamagetsi
⚫Optical RZ, NRZ system
Nthawi yotumiza: Oct-07-2023