Molao-motheo oa mantlha oa modulator ea optical

Modulator ea Optical, e sebelisoang ho laola botebo ba leseli, kenyelletso ea Electro-Optor-Opptic, The Acoustoptic, Khopolo-taba ea Emperitic ea Electro.
Mosululator oa Optical ke e 'ngoe ea lisebelisoa tsa bohlokoa ka ho fetisisa tse kopaneng ka ho fetisisa puisanong e lebelo le mekhahlelo e meholo ea mahlo. Modulami oa khanya ho latela molao-motheo oa molumo, o ka aroloa ka thele ea motlakase, phello eohle, e thehiloe hantle

TheModulator oa electro-opticalke sesebelisoa se laolang index ea theko e ntle, a monya boholo kapa karolo ea leseli la tlhahiso ka lebaka la ho fumana motlakase. Ho phahamela mefuta e meng ea bahlanka ba bangata ho sebetsana le tahlehelo, tšebeliso ea matla, lebelo le amanang le mookameli ea sebelisoang haholo hajoale. Ts'ebetsong ea phetisetso ea mahlo, phetiso le choate, modulator ea Optical o sebelisoa ho laola botebo ba leseli, 'me karolo ea eona e bohlokoa haholo.

Morero oa ho feto-fetoha ha bobebe ke ho fetola letšoao kapa tlhaiso-leseling e fumanoeng, ho kenyelletsa le "ho tlosa lerata, e le ho etsa hore ho be bonolo ho sebetsa, ho fetisa le ho iphapanyetsa.

Mefuta ea ho fetolela e ka aroloa ho mekhahlelo e 'meli e pharalletseng ho latela hore na tlhahisoleseling e laoloa ka har'a leqhubu le bobebe.

E mong ke matla a khannang a mohloli oa leseli a fetotsoeng ke letšoao la motlakase; E 'ngoe ke ho fetola phatlalatso ea phatlalatso.

Ea pele e sebelisoa haholo bakeng sa puisano ea mahlo, 'me e ne e sebelisoa haholo bakeng sa ho lemoha ka letso. Bakeng sa khutšoane: Modulations ka hare ho lentsoe.

Ho latela mokhoa oa ho fetolela, mofuta oa medulation ke ona:

1) Ho fetolela matla;

2) Mohato oa Mokhahlelo;

3) Modilation Modilation;

4) Khafetsa le ho phahama ha molumo oa thekeng.

1.1, ho fonisisa ka matla

Mefuta e matla ea leseli ke botebo ba leseli joalo ka ntho e makatsang ea ho lekanya letšoao la leseli

1.2, Mohato Mohato oa Mokhahlelo

Molao-motheo oa ho sebelisa lintlha tsa ka ntle ho fetola karolo ea maqhubu a bobebe le ho lekanya likarolo tsa 'mele ka ho fumana liphetoho tsa Mohato.

The phase of the light wave is determined by the physical length of the light propagation, the refractive index of the propagation medium and its distribution, that is to say, the change of the phase of the light wave can be generated by changing the above parameters to achieve phase modulation.

Hobane Sebete sa Leseli ka kakaretso ha se na phetoho ea leqhubu la khanya ea khanya ea tlhaho ho fetola likarolo tse peli. Ea bobeli ke tšitiso ea leseli.

1.3. Mefuta ea Polariation

Mokhoa o bonolo ka ho fetisisa oa ho fihlela molumo oa leseli ke ho potoloha tse peli tsa polaizers tse peli. Ho latela Malus 'Theorem ea Malure, botebo ba leseli la tlhahiso ke = i0cos2α

Moo: i0 e emela botebo ba li-polalight tse peli ha sefofane se ka sehloohong se lumellana; Alfa e emetse nako e telele pakeng tsa lifofane tse peli tsa Polaysical.

1.4 Frequency le ho phalla ha molumo

Molao-motheo oa ho sebelisa lintlha tsa ka ntle ho fetola khafetsa kapa a lekanya boholo ba 'mele ka ho bona liphetoho khafetsa le khanya ea khanya ea khanya.