Microwave optoelectronics, sezita rinoratidza, kupindirana kweMicrowave uyeoptoelectronics. Microwaves uye mafungu echiedza idzo yemagetsi emagetsi, uye mafambiro akawanda ehukuru akasiyana, uye zvinhu uye matekinoroji akavandudzwa muminda yavo yakasiyana. Mukubatanidzwa, tinogona kutora mukana mumwe nemumwe, asi isu tinogona kuwana zvikumbiro zvitsva uye hunhu hwakaoma kuziva zvakateerana.
Optical kutauriranaMuenzaniso mukuru wekusanganiswa kweMicrowaves uye Photowelecons. Runhare rwekutanga nefoni dzevaridzi vefoni, chizvarwa, kuparadzaniswa uye kugashira kwemasaini, zvese zvinoshandiswa microwave midziyo. Low Frequence Electromagnetic Mafungu anoshandiswa pakutanga nekuti iyo frequency renji idiki uye iyo nzira yekugona kwekutapurika idiki. Mhinduro yacho ndeyekuwedzera iyo frequency yemagazini inotapurwa, yakakwira iyo frequency, iyo yakawanda spectrum. Asi iyo yakakwira frequency chiratidzo mukuparadzira kwemhepo kurasikirwa kwakakura, asi zvakare nyore kuvharirwa nezvipingamupinyi. Kana iyo tambo ichishandiswa, kurasikirwa kwetambo kwakakura, uye kutapurirana kureba kwekureba idambudziko. Iko kubuda kweye Optical fiber kutaurirana mhinduro yakanaka kumatambudziko aya.Optical fiberine yakanyanya kuderera yekufambisa kurasikirwa uye inotakura yakanaka yekutakura masaini pamusoro pematanho marefu. Iyo frequency mhando yemafungu echiedza yakakura kupfuura iyo yemicrowaves uye inogona kuendesa nzira dzakasiyana siyana panguva imwe chete. Nekuda kweizvi zvakanakira zveKuendesa Optical.
Kukurukurirana chaikoiko kune nhoroondo refu, kutsvakwa uye kushandisa kwakakura kwazvo uye kwakakura, pano hakufanirwe kutaura zvakawanda. Iri pepa rinonyanya kuunza iyo itsva yekutsvaga zvemicrowave optoelectronics mumakore apfuura kunze kwekukurukurirana kwechokwadi. Microwave Optoelectronics inonyanya kushandisa nzira uye matekiniki mumunda weOptoelectronics seyekutakura kuti ubatsire uye kushandisa izvo zvakaoma kuti uwane zvemagetsi zvemagetsi. Kubva pamaonero ekushandisa, zvinonyanya kusanganisira zvitatu zvinotevera zvinhu.
Chekutanga ndechekushandiswa kwe optoelectronics kuti ubike yakakwirira-performance, yakaderera-ruzha microwave signals, kubva paX-bhendi nzira yese kuenda kune thh band band.
Chechipiri, microwave chiratidzo chekugadzirisa. Kusanganisira kunonoka, kusefa, frequency kutendeuka, kugamuchira uye zvichingodaro.
Yetatu, kutapurirana kwezviratidzo zveAnalog.
Munyaya ino, munyori anongoratidza chikamu chekutanga, chizvarwa cheMicrowave Signal. Tsika microwave millimeter wave inonyanya kugadzirwa neIII_V microyectronic zvikamu. Izvo zvisingakwanisi kuita mapoinzi anotevera: Kutanga, kune yakakwirira marefu se 100GHH Chechipiri, kuitira kuti uderedze ruzha rwepakati uye kugadzirisa nguva yekugutsikana, iyo yekutanga mudziyo inoda kuiswa mune yakanyanya kuderera tembiricha. Yetatu, zvakaoma kuwana huwandu hwakawanda hwehuwandu hwekufambisa fodulation frequency kutendeuka. Kugadzirisa matambudziko aya, optoelectronic tekinoroji inogona kuita basa. Nzira huru dzinotsanangurwa pazasi.
1. Kuburikidza nemusiyano kuwanda kwemasikati maviri akasiyana laser masaini, yakakwira-frequency phdetector inoshandiswa kushandurwa microwave signals, sezvakaratidzwa mumufananidzo 1.
Mufananidzo 1. Schematic dhizaini yeMicrowaves inogadzirwa nemusiyano frequency yeavirilasers.
Zvakanakira nzira iyi iri nyore chimiro, chinogona kuumba zvakanyanyisa frequency frequente millimeter wave Iko kushushikana ndeyekuti iyo linewidth kana yerudzi rwekusiyana-mhere yekusiyana chiratidzo chinogadzirwa nemasaini maviri asina kukwirira Kana iyo huremu hwehurongwa hwehuwandu hunodiwa hadzina kukwirira, unogona kushandisa ruzha rwakaderera (~ khz) yakasimba-nyika lasers,fiber lasers, kunze kweiyo cavitysemiconductor lasers,
2. Kuti vagadzirise dambudziko iri munzira mbiri munzira dzapfuura hadzina kuenzana uye kuwirirana pakati peiyo mhare Mufananidzo 2 unoratidza kunyatsoitwa kwekushandiswa kwe jekiseni kuvhara kuti igadzire microwave akawanda (Mufananidzo 2). Nekunzwa zvakananga kuwanda kwemaswindo izvozvi muMiconondUctor Laser, kana nekushandisa Linbo3-phose chiratidzo chehuwandu hwakaenzana neyemafuma yakaenzana inogona kugadzirwa, kana yezvinhu zvemagetsi. Ehe, nzira inowanzoshandiswa yekuwana yakakura spectrum Optical frequency combis ndeyekushandisa modhi-yakakiiwa laser. Chero chiitiko chipi zvacho chemasaini mune yakagadzirwa frequatcy frequency Nekuti chikamu chemumusangano chakasiyana chemasaini emusangano wekupedzisira chidimbu chakasimba, zvekuti chikamu chemusiyano chakatsanangurwa, uyezve nzira yehuwandu hwemitsipa yemicrowave yemusangano wekudzokorora kwechiitiko chinogona kuwanikwa.
Mufananidzo 2. Schematic Diagram yeMicrowave Kupfuura Signal Signal inogadzirwa neiyo jekiseni kuwanda.
Imwe nzira yekudzikisa hama yemhando yerudzi mbiri ndeyekurasikirwa kwemaviri ndeyekushandisa sarudzo isina kunaka yekufungidzira pl, sezvakaratidzwa mumufananidzo 3.
Mufananidzo 3. Schematic Diagram yePOL.
Iyo nheyo yeye Optical pl yakafanana neiyo yePLD mumunda wemagetsi. Musiyano weChikamu chevakarukwa zvinoshandurwa kuita chiratidzo chemagetsi neyakagadziriswa microwave Kuburikidza neiyo isina mhinduro yekudzora nzvimbo, iyo hama yerefu yepakati pakati peiyo miviri laser masaini yakavharirwa kune chirevo microwave chiratidzo. Iyo yakasanganiswa chiratidzo chechiratidzo inogona kuendeswa kuburikidza neye Optical fibers kune photodetector imwe nzvimbo uye yakashandurwa kuita microwave chiratidzo. Iyo yekukonzeresa chikamu cheMicrowave Signal inenge yakafanana neiyo yeReferini chiratidzo mukati mebhandi rechikamu-yakakiiwa yekupa mhinduro loop. Ruzha rweheti kunze kwebhandi rakaenzana nehukama hwemubatanidzwa weiyo yekutanga mbiri isina kubatana.
Uye zvakare, iyo Reference microwave Signal Source inogonawo kushandurwa nezvimwe zviratidzo zvinyorwa kuburikidza neyemagetsi kuwanda, kana kuwanda kwekupedzisira, kuti kushandurwa kuwanda kwemicrowave kunogona kuwanda, kana kushandurwa kusvika pakakwirira-frequency rf, thh sign.
Kuenzaniswa neyekupedzisira kuwanda kukiya kunogona kuwana kufutisa kuputsa, zviputi-zvakakiiwa-zvipfeko zvinochinja-chinja, uye zvirokwazvo zvinowanzoitika. Semuenzaniso, chiitiko chekupedzisira chinogadzirwa neiyo fotolectric moduclator mumufananidzo wechipiri N * Frep + F1 + F2 inogona kugadzirwa nemusiyano frequency pakati pemaviri lasers.
Mufananidzo 4. Schematic dhizaini yekugadzira fritray frequencies uchishandisa Optical Frequency Coms uye Plls.
3. Shandisa modhi-yakakiiwa pombe laser kushandura Optical pulse chiratidzo mu microwave chiratidzo kuburikidzaPhotomdetector.
Mukana wakanyanya wenzira iyi ndewekuti chiratidzo chine kunaka kwazvo nguva yekudzora uye yakaderera chikamu chemafomu ruzha runogona kuwanikwa. Nekuvhara nguva yeiyo laser kune yakagadzikana tomic uye molecular transition spectmas, uyezve tarisiro yekuzvinyima, kuti tishandise microwave chiratidzo neiyo Ultra-Low phose ruzha. Mufananidzo 5.
Mufananidzo uri 5
Nekudaro, nekuti iyo pulse inodzokorora chiyero chakaenzana nehurefu hwechihure kweiyo laser, uye tsika yechinyakare-yakakwenenzverwa laser, zvakaoma kuwana yakawanda microwave microwave zviratidzo zvakananga. Uye zvakare, saizi, uremu uye simba rekushandiswa kwetsika dzakasungirwa lasers, pamwe nezvinodiwa nemhoteredzo, kudzikisira zvavanonyanya kuita zvekushandisa zvekushandisa. Kukurira matambudziko aya, kutsvagisa kwakatangira kuUnited States neGerman vachishandisa nonlinear mhedzisiro yekugadzira nguva diki, iyo yakakwira chirwere chezvemhando yepamusoro, iyo inogadzira yakakwira-frequency yakaderera-ruzha microwave signals.
4. Opto Electronic Oscilllator, Mufananidzo 6.
Mufananidzo 6. Schematic Diagram yeThomelectric Coupled Osilillator.
Imwe yenzira dzechinyakare dzekuburitsa microwaves kana lasers ndeyekuzvivharidzira loop loop, chero bedzi kukawana muzvikamu zvakavharwa kupfuura kurasikirwa, iyo yekuzvivharidzira oscicilation inogona kuburitsa microwaves kana lasers. Iyo yakakwira iyo mhando yechinhu q yeiyo yakavharwa chiuno, zvidiki izvo zvakagadzirwa chiratidzo chechikamu kana huwandu hwehuwandu. Kuti uwedzere kuwedzera mhando yechiuno, nzira yakatwasuka ndeyekuwedzera iyo loop kureba uye kuderedza kurasikirwa kwekupararira. Nekudaro, chiuno chakareba chinogona kutsigira chizvarwa chemhando yemhando dzakawanda dze oscilllation, uye kana iyo yakatetepa-bandwidth filter inowedzerwa, imwe chete-frequency yakaderera-ruzha microwave signal inogona kuwanikwa. Photowelectric CouplEd Osilcillator Signal Signal Surance inoenderana neiyi pfungwa yekuparadza Sezvo nzira yacho yakurudzirwa muma1990, iyi mhando yeIsilcilllator yakawedzera kutsvakwa uye yakakura kukura, uye kune parizvino kutengeserana mapikicha mapikicha. Nguva pfupi yadarika, fotolectric oscilloters ane mafambiro anokwanisa kugadziridzwa pamusoro pehuwandu hwakagadzirwa. Chinetso chikuru cheMicrowave Signal Signal Surches zvichibva pane ichi chivakwa ndechekuti chiuno chareba, uye ruzha rwekuyerera rwacho rwekuyerera (FSR) uye kaviri frequency ichave yakawedzera kuwanda. Mukuwedzera, zvikamu zvePhiya
Izvi zviri pamusoro zvichisunura nzira dzinoverengeka dzeThenelectroni chizvarwa cheMicrowave Signals, pamwe nezvakanakira nezvakanaka. Pakupedzisira, kushandiswa kweTheelelectrons kugadzirwa microwave kune imwe mukana ndeyekuti signal signal fiber, inoshanduka kuita microwave kupindira kwakanyatsonaka pane zvemagetsi zvemagetsi zvemagetsi.
Kunyora kwechinyorwa ichi kunonyanya kureva, uye kwakabatanidzwa nechiitiko cheMunyori Chekutsvagisa uye ruzivo mumunda uyu, pane zvisinganzwisisike uye kusanzwisisika, ndapota nzwisisa.
Kutumira Nguva: Jan-03-2024