Kusukela ngo-1916, isazi sesayensi esidumile esingumJuda u-Einstein sathola imfihlo yama-laser. I-Laser (igama eligcwele: i-Light Amplification by Stimulated Emission of Radiation), okusho ukuthi "ukukhuliswa kwemisebe yokukhanya ekhuthaziwe", idunyiswa njengenye into esungulwe kakhulu esintwini kusukela ngekhulu lama-20, ilandela amandla enuzi, amakhompyutha, kanye nama-semiconductor. "Ingummese osheshayo", "umbusi onembe kakhulu", kanye "nokukhanya okukhanyayo". Igama eliphelele lesiNgisi le-laser selivele lichaza ngokuphelele inqubo eyinhloko yokukhiqiza i-laser. I-Laser inezinhlelo zokusebenza eziningi, njengokumaka i-laser, ukushisela i-laser, ukusika i-laser, ukuxhumana kwe-fiber optic, i-laser ranging, i-LiDAR, njalo njalo. Namuhla sizokhuluma ngendlela ama-laser afinyelela ngayo umsebenzi wokulinganisa ibanga.
Isimiso sokuhlukanisa nge-laser
Ngokuvamile, kunezindlela ezimbili zokulinganisa ibanga kusetshenziswa ama-laser: indlela yokushaya kanye nendlela yesigaba. Umgomo wokulinganisa i-laser pulse ukuthi i-laser ekhishwa yidivayisi yokukhipha i-laser iboniswa yinto elinganisiwe bese itholwa yi-receiver. Ngokuqopha ngesikhathi esifanayo isikhathi sohambo oluya nokubuya lwe-laser, ingxenye yomkhiqizo wejubane lokukhanya kanye nesikhathi sohambo oluya nokubuya yibanga eliphakathi kwethuluzi lokujikeleza kanye nento elinganisiwe. Ukunemba kwendlela yokushaya kwe-pulse yokulinganisa ibanga ngokuvamile kungamasentimitha angu-+/-10. Indlela yesigaba ayilinganisi isigaba se-laser, kodwa kunalokho ilinganisa isigaba sesignali esilungisiwe ku-laser.
Indlela yokuhlukanisa nge-laser
Ngemva kokuqonda isimiso sokuhlukaniswa kwe-laser, ake sibheke ukusebenza kwangempela kokuhlukaniswa kwe-laser. Ngokuvamile, ukuhlukaniswa kwe-laser okunembile kudinga ukusetshenziswa kwe-prism yokubonakalisa okuphelele, kuyilapho i-rangefinder esetshenziselwa ukulinganisa indlu ingalinganisa ngqo ukubonakaliswa kusuka ebusweni bodonga obubushelelezi. Lokhu kungenxa yokuthi ibanga liseduze kakhulu, futhi amandla esignali aboniswa emuva ngokukhanya anamandla ngokwanele. Kodwa-ke, uma ibanga lide kakhulu, i-engeli yokukhishwa kwe-laser kumele iqonde ngqo esibukweni sokubonakalisa okuphelele, ngaphandle kwalokho isignali yokubuya izoba buthakathaka kakhulu ukuthola ibanga elinembile. Kodwa-ke, kobunjiniyela obusebenzayo, ukuhlukaniswa kwe-laser kwabasebenzi kuzosebenzisa amashidi epulasitiki amancane njengezindawo ezikhanyayo ukuxazulula inkinga yokubonakaliswa okukhulu kwe-laser diffuse. Umshini wokuhlukaniswa kwe-laser osezingeni eliphezulu ungafinyelela ukunemba kokulinganisa okufika ku-1 millimeter, okwenza ama-laser afaneleke ngezinjongo ezahlukene zokulinganisa okunembile kakhulu.
Njengebhizinisi lobuchwepheshe obuphezulu elihlanganisa ucwaningo nentuthuko nokukhiqiza, i-Lumisopot ithuthukise ngokuzimela amamojula okuhamba kwe-laser angu-905nm 1200m semiconductor, amamojula okuhamba kwe-laser yengilazi engu-1535nm 3-15km erbium, kanye namanye amamojula okulinganisa i-laser ebanga elide kakhulu. Ngokungafani nemikhiqizo yokuhamba kwe-laser yezinye izinkampani, imikhiqizo yethu ibonisa ngokugcwele izici zobukhulu obuncane, isisindo esilula, ukusebenza kahle kwezindleko eziphakeme, kanye nekhono lokuletha ngobuningi obukhulu. Ngaphezu kwalokho, amamodeli ethu omkhiqizo ahlukahlukene kakhulu futhi angahlangabezana nazo zonke izidingo zokuhamba kwe-laser. Uma unesithakazelo emikhiqizweni yethu, sicela ukhululeke ukuxhumana nathi.
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