HFBR-782BZ Zvitsva zvemagetsi zvikamu HFBR-782BZ

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Zvinyorwa & Media

Environmental & Export Classifications

Zvimwe Zvishandiso

Fiber optics, zvakare spelled fiber optics, iyosainziyekutumiradata, izwi, uye mifananidzo nekupfuura kwechiedza kuburikidza nematete, mafiber akajeka.Intelecommunications, tekinoroji yefiber optic yakatotsivamhangurawaya mukatikureba runharemitsara, uye inoshandiswa kubatanidzamakombiyutamukatiLocal area network.Fiberopticsndiyo zvakare hwaro hwefiberscopes inoshandiswa pakuongorora nhengo dzemukati dzemuviri (endoscopy) kana kuongorora zvemukati zvezvakagadzirwa zvigadzirwa.

Iyo yakakosha yepakati yefiber optics ibvudzi-ritete faibha iyo dzimwe nguva inogadzirwa nayoplastikiasi kazhinji kachogirazi.Rakajairika girazi optical fiber ine dhayamita ye125 micrometres (μm), kana 0.125 mm (0.005 inch).Izvi ndizvo chaizvo dhayamita yevhavha, kana yekunze inoratidzira layer.Iyo core, kana yemukati transmitting silinda, inogona kunge iine dhayamita diki segumiμm.Kuburikidza nenzira inozivikanwa sekufungisisa kwemukati kuzere,chiedzamwaranzi inopenya mufiber canpropagatemukati mepakati pemadaro marefu nekuderera kunoshamisa, kana kudzikiswa kwesimba.Madhigirii ekudzikira pamusoro pechinhambwe chinosiyana zvichienderana nehurefu hwechiedza uye kusvikacompositionye fiber.

Pakaunzwa magirazi mafiber ecore/cladding dhizaini mukutanga kwema1950, kuvapo kwetsvina kwakaganhurira basa ravo kune hurefu hupfupi hwakakwana hweendoscopy.Muna 1966, mainjiniya emagetsiCharles KaonaGeorge Hockham, vachishanda muEngland, vakakarakadza kushandisa faibha nokudatelecommunication, uye mukati memakumi maviri emakoresilicamagirazi faibha akanga achigadzirwa nekuchena kwakakwana izvoinfraredzviratidzo zvechiedza zvaigona kufamba mazviri kwemakiromita 100 (makiromita 60) kana kuti kupfuura pasina kukwidziridzwa nevaidzokorora.Muna 2009 Kao akapihwa mubairo weNobel PrizemuFizikisi yebasa rake.Plastic fibers, kazhinji yakagadzirwa ne polymethylmethacrylate,polystyrene, kanapolycarbonate, dzakachipa kugadzira uye dzinochinjika kupfuura girazi faibha, asi kudzikisira kwadzo kwechiedza kunodzora kushandiswa kwadzo kune mapfupi malink mukati mezvivakwa kana.motokari.

Optical telecommunication inowanzoitwa neinfraredchiedza mumasaisai ezvikamu zve0.8–0.9 μm kana 1.3–1.6 μm—masaisai anogadzirwa zvakanakachiedza-emitting diodeskanasemiconductor lasersuye izvo zvinotambura kuderera zvishoma mumagirazi fibers.Kuongororwa kweFiberscope mu endoscopy kana indasitiri kunoitwa mune inooneka wavelengths, rimwe bundle refiber riri kushandiswavhenekeranzvimbo yakaongororwa ine chiedza uye imwe bundle inoshanda seyakarebalenzikuendesa mufananidzo kuneziso remunhukana vhidhiyo kamera.

Fiber optic inogamuchira inoshandura masaini emwenje kuita masaini emagetsi kuti ashandiswe nemidziyo yakaita senetiweki yekombuta.Aya ma electro-optical madivayiri anosanganisira optical detector, yakaderera-ruzha amplifier, uye chiratidzo chemamiriro edunhu.Mushure mekunge detector yemaziso yashandura iyo inouya yechiratidzo chiratidzo mumagetsi emagetsi, iyo amplifier inoiwedzera kusvika pachiyero chakakodzera chekuwedzera chiratidzo chekugadzirisa.Iyo modulation mhando uye magetsi ekubuda zvinodiwa zvinotarisa kuti ndezvipi mamwe masekete anodiwa.

Fiber optic vanogamuchira vanoshandisa mapositive-negative junctions (PN), positive-intrinsic negative (PIN) photodiodes, kana avalanche photodiodes (APD) semaoptical detectors.Chiratidzo chechiedza chinouya chinotumirwa nefiber optic transmitter (kana transceiver) uye inofamba ne-single-mode kana multi-mode optical cable, zvichienderana nekugona kwechigadzirwa.Iyo data demodulator inoshandura chiratidzo chemwenje kudzoka muchimiro chayo chemagetsi chepakutanga.Mune mamwe akaomarara fiber optic masisitimu, wavelength division multiplexing (WDM) zvikamu zvinoshandiswa zvakare.

Semiconductors uye Photodiodes

Iyo Engineering360 SpecSearch dhatabhesi inobvumira vatengi vemaindasitiri kusarudza zvigadzirwa ne semiconductor mhando uye photodiode mhando.Mhando mbiri dze semiconductors dzinoshandiswa mune fiber optic vanogamuchira.

Silicon semiconductors inoshandiswa mupfupi-wavelength inogamuchira ine huwandu hwe400 nm kusvika 1100 nm.

Indium gallium arsenide semiconductors inoshandiswa mune yakareba-wavelength inogamuchira ine huwandu hwe900 nm kusvika 1700 nm.

Sezvatsanangurwa pamusoro apa, fiber optic inogamuchira inoshandisa matatu akasiyana mafotodiode.

PN junctions inoumbwa pamuganhu weP-mhando uye N-mhando semiconductor, kazhinji mukristaro imwechete kuburikidza nedoping.

PIN photodiodes ine yakakura, isina kwayakarerekera-doped intrinsic dunhu rakaiswa pakati peP-doped neN-doped semiconducting matunhu.

APDs akasarudzika maPIN mafotodiode anoshanda neakakwira reverse bias voltages.

Amplifiers uye Connectors

Fiber optic inogamuchira inoshandisa ingave yakaderera-impedance kana transimpedance amplifiers.

Nemidziyo yakaderera-impedance, bandwidth uye inogamuchira ruzha inoderera nekupikisa.

Iine trans-impedance zvishandiso, bandwidth yeanogamuchira inokanganiswa nekuwana kweiyo amplifier.

Kazhinji, fiber optic inogamuchira inosanganisira inobviswa adapta yekubatanidza kune mamwe madivayiri.Sarudzo dzinosanganisira D4, MTP, MT-RJ, MU, uye SC

Receiver Performance

Paunenge uchishandisa Injiniya360 kuburitsa zvigadzirwa, vatengi vanofanirwa kudoma aya ma paramita e fiber optic inogamuchira mashandiro.

Chiyero chedata inhamba yemabhiti anofambiswa pasekondi, uye chiratidzo chekumhanya.

Receiver kusimuka nguva zvakare iratidziro yekumhanya, asi inoratidza nguva inodiwa kuti chiratidzo ichinje kubva pane yakatarwa 10% kusvika 90% simba.

Sensitivity inoratidza iyo isina kusimba chiratidzo chemaziso chinogona kugamuchira.

Dynamic range ine hukama nekunzwa, asi inoratidza huwandu hwemagetsi pane iyo mudziyo unoshanda.

Responsivity ireshiyo yesimba rinopenya mu watts (W) kune inoguma photocurrent mu amperes (A).