Sumo pfupi yelasermodulatorteknolojia
Laser is high-frequency electromagnetic wave, nekuda kwekubatana kwayo kwakanaka, seyechinyakare magetsi emagetsi (seanoshandiswa muredhiyo neterevhizheni), semutakuri wave kutumira ruzivo. Maitiro ekurodha ruzivo pane laser anodaidzwa kuti modulation, uye mudziyo unoita maitiro aya unonzi modulator. Mukuita uku, iyo laser inoita semutakuri, nepo iyo yakaderera-frequency siginecha inotumira ruzivo inonzi modulated chiratidzo.
Laser modulation inowanzo kukamurwa mukati modulation uye ekunze modulation nzira mbiri. Yemukati modulation: inoreva iyo modulation mukuita kwelaser oscillation, ndiko kuti, nekugadzirisa chiratidzo chekushandura oscillation paramita yelaser, zvichikanganisa maitiro ekubuda kwelaser. Kune nzira mbiri dzemukati modulation: 1. Yakananga kudzora simba rekupomba re laser kugadzirisa kusimba kweiyo laser kubuda. Nekushandisa chiratidzo kudzora iyo laser simba rekupa, iyo laser inobuda simba inogona kudzorwa nechiratidzo. 2. Zvinhu zvekugadzirisa zvinoiswa mune resonator, uye hunhu hwemuviri hweizvi modulation zvinhu zvinodzorwa nechiratidzo, uyezve maparamita e resonator anoshandurwa kuti awane modulation yekubuda kwelaser. Kubatsira kwemukati modulation ndeyekuti iyo modulation inoshanda yakakwira, asi chakashata ndechekuti nekuti modulator iri mugomba, inowedzera kurasikirwa mugomba, kuderedza simba rekubuda, uye bandwidth yemodulator inozoganhurwa nepassband resonator. Yekunze modulation: zvinoreva kuti mushure mekugadzirwa kwelaser, modulator inoiswa munzira yekuona kunze kwelaser, uye hunhu hwemodulator hunoshandurwa nechiratidzo chemodulator, uye kana laser ichipfuura nepamodulator, imwe paramende yemwenje wave inogadziriswa. Zvakanakira zvekunze modulation ndezvekuti simba rekubuda relaser harina kukanganiswa uye bandwidth yemutongi haina kuganhurirwa nepassband resonator. Izvo zvisingabatsiri ndeye yakaderera modulation kunyatsoshanda.
Laser modulation inogona kukamurwa kuita amplitude modulation, frequency modulation, phase modulation uye intensity modulation zvinoenderana neayo modulation zvivakwa. 1, amplitude modulation: amplitude modulation ndiyo oscillation iyo amplitude yemutakuri inoshanduka nemutemo weiyo modulated chiratidzo. 2, frequency modulation: kugadzirisa chiratidzo chekuchinja frequency yelaser oscillation. 3, chikamu modulation: kugadzirisa chiratidzo chekushandura chikamu che laser oscillation laser.
Electro-optical intensity modulator
Nheyo ye electro-optic intensity modulation ndeyekuziva kusimba kwemodulation zvinoenderana neiyo yekukanganisa musimboti wepolarized mwenje uchishandisa iyo electro-optic maitiro ekristaro. Iyo electro-optical effect yekristaro inoreva chiitiko chekuti refractive index yekristaro inoshanduka pasi pechiito chekunze kwemagetsi emagetsi, zvichiita kuti pave nemusiyano wechikamu pakati pechiedza chinopfuura nekristaro nenzira dzakasiyana-siyana dzepolarization, kuitira kuti nzvimbo yepolarization yechiedza ichinje.
Electro-optic phase modulator
Electro-optical phase modulation musimboti: iyo chikamu Angle yelaser oscillation inoshandurwa nemutemo wemodulating chiratidzo.
Pamusoro peiyo iri pamusoro pe electro-optic intensity modulation uye electro-optic phase modulation, kune akawanda marudzi emalaser modulators, akadai se transverse electro-optic modulator, electro-optic yekufamba wave modulator, Kerr electro-optic modulator, acousto-optic modulator, magnetoptic modulator, interference light modulator uye spatial.
Nguva yekutumira: Aug-26-2024