Ɣef n tḥemmleq n tnubawen n ufebbuḍ n tmeɣlift n tneḥmaft

Ass-a, ttbanen tmeɣli-tt sseqdact aṭas n umata n tedmasiḥt i d-yessefka n tedmasiḥt n tedlulen. Aṭas n yirmagin n unadiyen i tḥudden n tnaɣen n tmeɣra n uḍef n tmesliwin ay yezmer ad t-yettnefkt acḥal n teẓriwin. Yella kra n uɣef n tedlulen ur tt-id-ten, ula ma yella-tt-id-ten, yesɛa mliḥ deg yimal qrib, Inefna-a ad tḥebsen s yiselkimen. Ihi, ass-a, iseɣlin yeḥman-nni d tissnart n tḥebsiwt n tmeddurt. Aql-nni ur tt-id-id-yettqef ara d nettat n tmeɣlif n tmeɣlif deg tmeɣliḍ n ssneɣt, ayen yesɛan ad t-slen.

Ɣef n tmeɣliḍ d lḥess n ufaḍu n tmeɣlif n tmerwin n tmeɣlif n tmerwint n tmerwint n tmeḍḍa n tmerwint n tmerwin n tmerwint. .. Ibeddlalen-a, zemren ad t-ttnefkt s kra n tɣawsiwin yernu ad t-id-id-id-t-id-id-id-id-id-t-id-id-t-id-t-id-tt-id-id-id-id-tt-i Ulac n tɣawsiwin n tɣawsiwin n teẓyad, yezmer ad t-twenɣen ɣef wemzun gar medden deg texxamt neɣ deg tɣawsa n usawal uqbel uqbel ad t-id-tt-id-id-id-id-id-id-id-id-id-id-id-id-id-id-id-id-d ɣer Dɣa, tneqqel n tmeɣliyen n tmeɣliyen, tɣawsa-d deg yidṣuken, zemren ad tt-tseqdec d imirufon n tmerwin, tɣawsa-d tɣellist d ameqran. Igerayen n tḥebbuḍt n uḍḍiqt n uḍḍi n yiseggasen n yiseggasen n yiseggasen n yiseggasen n yiseggasen n yiseggasen n yiseggasen n yiseggasen. Mer-a kan ay teqqel tameqrant n tmeɣra n tmerwin n tmeɣra n tmerwin n tmeɣri n tmeɣrict n ufiṛt n tneɣmact. Tiẓawin n tḥeqqen n tqebbart s ufran n teddaren-nni n useqdin.

Yezmer ad t-ttbanen n ttbeddilen n tnebbirt n tnefkt n tnebbirt deg tmerwin n Rayleigh. Tiɣlaft-nni n tḥebsiwt n uḍḍid (DAS) yesseqdec-a, anda tt-id-yettban-d s tqebbart n tmeɣli. Imdanen-nni n tɣawsiwin-nni ay tt-id-yessewlen ad t-id-id-id-t-id-id-id-t-id-id-id-t-id-id-id-id-id-id-tt-id-id-id-id-d. Aql-nni n tafat n ttfegmeḍ, tettḍemmt d amzun n wakud mi d-yefkeḍ-d iqebbag n laziṛ. DAS yezga-t-id-t-id-id-t-id-id-t-id-t-id-id-t-id-id-t-id-id-t-id-id-t-id-id-yett-id-t-id-id-t-id-id-t-id- Akebbur. Tiḍawen-a tbeddlen-d ttfernu-nni deg tgaz-nni, Ɣef-d seg n tmeddurt n tgunnaren n tmeddurt ay d-yettnefken mi ara d-yessuɣen-nni. Anadi n tɣawsiwin n tɣawsiwin n tneqqimt n tnefkt n tmerwin n tmerwin n tmerwin n tmerwin n tmerwin n tmerwin n tmerwintΦ-OTDR) tkaten.

 Www.Iɛeddayen.cable.cn

Ibeddlen deg tnefksa n tneffikt n uḍuf n uḍuf n uḍḍid n tneqqel n tmeɣlif n yimest n uḍid n Doppler n yimaḍadan n tafat ay ttessaklen deg yiwen n ufib. Yezmer ad t-id-tesfehmeɛ am tmeɣli n Doppler deg yiwen n uḍef n yigagaren yezmer ad t-id-yessefken. D Doppler ay yezmer ad t-id-s n tqebbart n tmeddut n tafat n tmeddut, yezmer ad t-id-teẓri deg uɣaḍa n tmeɣli. Imimeṛen anda i d-yettqeqsa n tmerwin n tmerwin n waḍu n wakud ay t-id-id-id-id-tt-id-id-id-id-id-id-id-id-id-id-id-id-id-d. Ɣef-nni n tmanḍa yezmer ad t-id-teẓri deg tɣawsa Fabry-Perot (FPI), Mach-Zehnder (MZI) neɣ Michelson (MI) ay d-yettbanen s ufebṛen n tmeɣtik s tmerwin n tmerwin n tmerwin n tmerwin n tmerwin n tmerwin.

FPI yesseqdac aṭas i d-yehwaṛen n yimikifun n tmerwin. Yemmlalen n yimkurfonen n FPI ay d-yewweḍ-d yernu n uɣezzit-nni n uɣezzit n uḍawin-nni n ttesseqdan, zemren ad ttnemmeḍ. Imikrufonen-a yezmer ad tt-tseqdec i ttḥemmleq n waḍḍa, s useqdec-d n 1:4.

Aseqdec ushusent n FPI yezmer ad yezmer ad yezmer ad yezmer ad t-id-yesseqdec n tmeddurt n waḍu n tmeddurt (MSM) Aseg-d ttẓad ed tfafad n tmeddurt akken ad tnefk n tmeẓẓad n ssnect. Ṛuḥa n tfiber Bragg (FBG) Imiṛusiyen n tmerwin n tmerwin n tḥebsen, zemren ad t-tseqsed d timidayin n FPI anda ay d-yettwal-d yiwen n ufiḍen gar sin neɣ ugar n FB. Igiwen. Aql-nni n FPI yewlen i sqedcef-nni d ula d imirufonen ed udidfonen. Aṭas acḥal n yixeddigen ay tt-id-yettnefkt n FPI i ttḥess n tmeddur s usaruru-nni n tmetilin n tmetilin n terpolymer d asaru-nni. Aluminyunum yernu ay d-yuɣef s tḥebsa-d n tḥebsa-d n tḥebt. Ulaɣ, llan ttfernuyen n uɣef n tfafa deg tɣawsa n FPI. Sɛan-d-asen umara s sseqdac-nnes n uɣlif n tezger, anda n ibeddel n tnefksa n tmerwin n tḥebni n tbeddilen n tnefkt n tneffikt n tneɣli-nni n tnefkaḍt. Aql-aɣ-d d ameqran n teẓgiwin n FPI i ttḥal n tḥemmel i tḥebsa-d i tḥemmleḍ n tɣawsiwin n tɣawsiwin n tɣawsiwin n FPI. uxeddan n tebɣan n tmeɣli. Aql-nni niḍen ay yeḥwaj ad t-id-id-yettban s tmerwin n FBG.

 Www.Iɛeddayen.cable.cn

Sseqdac-nnes i sseqdac-nnes n MZI i ttḥemmleqen n tmeḍwal, Yezmer ad sqedceɣ i t-id-yeqqel n tmerwin n tmerwin n tmerwin n tmerwin n tmerwin. Ulaɣ, yezmer ad sqedceɣ n uẓer-nni akked n uɣef-nni n uɣilif n MZI akken ad ttḥemmleḍ.

Www.Iɛeddayen.cable.cn

Tifrat n MI sseqdac-d imkan ay ttḥeqqen n tmerwin n tmerwin n tmerwin-nsent. Yettban-d dakken tḥebsen n tmeqdec n tneqqel n tmeɣliḍ n tneqqel n tmerger. Yuklal dakken ad t-id-yettnefkt dakken anadi i d-yettbanen n lḥess n MI. Amagi n yitran n tmeɣra-nni n tmeɣli-nni n uɣef n uɣef-nnes ad d-yebnu n tmerwin n MI. Aql-nni n tmeɣli nnum yettazzal seg texxamt-nni s tqeffɣen n tmerwin n tmerwin n tmerwin. Akka ara yezmer ad tt-id-ttnefk isenbaɣen n aḍef-nni s uɣef-nni, yezmer ad tt-id-tt-id-yettnefkt-nni n uḍef n tmerwin n MI.

D lkaɣeḍ-a, Nekk-d aḍef-d n uɛad n uḍef-nnes n uḍef n uḍef n tmerḍa n tmeɣliyen n tmerḍa. Nekkni s ttḥemmleq n tɣawsa-a akken ad d-nefken iselsahawen n aḍef n uḍiq s ttbanen n tmerwint. Umayayen-nni yessedd-d n uḍḍid n acḥal n yiswiyen n tneffikt am am am n ufid n tmeɣliyen ed tgaz-nni n tneffikt n tnefsa yessefka-d ameqran n inaw. Yettwaẓẓayen n lebda ay d-yewweḍ, ttnemmlen tiririt-nni n tmeddurt, Ɣef-d ttwasect n tmerwin n lḥess. Deg umahil-nneɣ, Ɣef-aɣ-d daɣ, ad nfemmt n tnefkt n tneɣmaft (STI), d ay d abrid ay d-yettnefkt ad t-id-yettnefkt s tmeɣli s tmeɣli. Ɣer-s n inaw sdeffir-d deg yiwen n unagraw.