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لیزر و اپتیک - لیزر به زبان ساده


لیزر و اپتیک

 khob laser darvaghe ye manbae noore taghviat shodas .vali tozihe sazokaresh enghadr moshkele ke vase fahmidanesh bayad ghabl az shorooe bahse laser hade aghal 12 vahed electromagetic va quantum mechanic pas karde bashin . vali man inja say mikonam kheyli sade ( va albate be hamin dalil naghes ) sazokaresho tozih bedam                 

tarze kare laser darvaghe too esmesh nahoftas . laser avale horoofe kalamate jomleye  " LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION " hast  ke be manie " taghviate noor be raveshe gosile elghayee tabeshe " hala man mikham yekam rajebe in mafhoom tozih bedam . doostani ke yekam ba physice atomi ashnayee daran midoonan ke vaghti electron haye yek atom tahte sharayete khasi dochare barangikhtegi mishan , yani az taraze energie paye be tarzhaye balatare energi miran , be do soorat moomkene be taraze avaliashoon bargardan va yek photon ba energie moadele ekhtelafe energie beine do taraz ro tabesh konan . in gosile tabesh ya khodbekhodie ya besoorate elghayee . too bahse laser chon ma mikhaym photon haye hamdoos dashte bashim ( be ekhtesar yani photon haye ham energi va ham phase vam ham jahat ) bayad gosilemoon az noe elghayee bashe yani aval tedade ziadi az electron haro tahrik konim va be taraze dekhahemoon befrestim va bad ba ersale ye photon moshabeh dobare oonaro tahric konim ta yekdafe baham be taraz haye avaliashoon bargardan . be inshekl yek daste partoe hamdoos darim  . chon mamoolan bayek bar gosil shedate kafi ro nadare az ye mohite resonator bayad estefade konim mesle saz haye zehi . baraye inkar az yek mohite baztabanande estefade mikonim ke mamoolan az manshoor vase inkar estefade mishe ba in kare tedade ziadi az photon haro ke dar har bar gosile elghayee tabesh shoand ro jam mikonim va vaghti be sheddate morede nazar residan be khorooji mifrestim .banabarin yek manbae besiar shadid az photon haye hamdos darim ke hamdigaro taghviat mikonan .

khob momkene begin in ke kheyli sade bood ! vali bayad begam avalan man bahso kheyli pishe pa oftade goftam sanian mohasebate marboot be harghesmateh meshe entekhab made baraye tolide noor , ravesh haye barangikhte kardan atom ha va ... niaz be pish niaz haye bisiar ghavie riazi va phisic dare . be har hal omidvaram ta hadi ba mafhoome laser ashna shode bashin

 
نوشته شده در یکشنبه دهم بهمن 1389 ساعت 13:31 توسط م √ ج|


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قالب وبلاگ : پارس اسكين