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amocanis amoxsnis nimuSi<br />
1.8<br />
1. ori koherentuli, O 1<br />
da O 2<br />
wyarodan wamosuli<br />
erT nairi amplitudis talRebi aRweven M wertils<br />
(sur. 23.1). svlaTa sxvaoba ∆d da wya roebs Soris l<br />
manZili gaci lebiT naklebia talRebis mier gavlil<br />
d 1<br />
da d 2<br />
man Zilebze. da vadginoT talRebis mier<br />
sur. 23.1<br />
erTma neTis gaZli erebis da Sesustebis piroba, Tu<br />
talRis sigrZea λ.<br />
amoxsna<br />
M wertilSi talRebis Sekrebis Sedegi damokidebulia maT Soris fazaTa<br />
sxvaobaze. Tu svlaTa sxvaoba ∆d udris talRis λ sigrZes, maSin meore<br />
talRa pirvelTan SedarebiT daigvianebs erTi periodiT (am droSi talRa<br />
gaivlis talRis sigrZis tol manZils). am SemTxvevaSi orive talRis Txemebi<br />
(ise rogorc Rrmulebi) erTmaneTs daemTxveva. am rxevebis Sekrebis Sedegad<br />
miiReba rezultaturi rxeva gaor kecebuli amplitudiT. igive moxdeba, Tu<br />
∆d monakveTze Tavsdeba talRis sigrZis ara erTi, aramed nebismieri mTeli<br />
ricxvi.<br />
garemos mocemuli wertilis rxevebis amplituda maqsimaluria, Tu ori<br />
talRis, romlebic aRagzneben rxevebs am wertilSi, svlaTa sxvaoba, talRis<br />
sigrZis mTeli ricxvis tolia.<br />
∆d=kλ, sadac k=0, 1, 2, ...<br />
Tu ∆d monakveTze Tavsdeba talRis sigrZis naxevari, maSin meore talRa<br />
pirvels CamorCeba naxevari periodiT. fazaTa sxvaobaa π, e. i. rxevebi warmoebs<br />
sapirispiro fazebSi. am rxevebis Sekrebis Sedegad, jamuri rxevis<br />
amplituda udris nuls da gansaxilvel wertilSi rxevebi ar gvaqvs. igive<br />
moxdeba, Tu ∆d monakveTze Tavsdeba naxe vartalRebis nebismieri kenti<br />
ricxvi.<br />
garemos mocemuli wertilis rxevebis amplituda minimaluria, Tu ori<br />
talRis, romlebic aRagzneben rxevebs am wertilSi, svlaTa sxvaoba naxevartalRebis<br />
kenti ricxvis tolia.<br />
∆d<br />
d 1<br />
d 2<br />
Tu svlaTa sxvaoba iRebs λ da λ/2-s Soris Sualedur mniSvnelobas, ma<br />
Sin jamuri rxevis amplitudac iRebs garkveul Sualedur mniSvnelobas<br />
gaorkecebul amplitudasa da nuls Soris. mniSvnelovania is, rom rxevis<br />
amplituda nebismier wertilSi ar icvleba drois mixedviT.<br />
2. ra minimaluri manZili unda iyos dabrkolebamde, rom eqo<br />
gavigonoT?<br />
amoxsna<br />
eqo SeiZleba gavigonoT, Tu dabrkolebamde S manZili ar iqneba imaze<br />
naklebi, romelsac bgera iqiT da aqeT gaivlis 1/15 wm-Si. Tu CavTvliT,<br />
23
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