Dab tsi yog hu ua dispersion?
Dab tsi yog hu ua dispersion?

Video: Dab tsi yog hu ua dispersion?

Video: Dab tsi yog hu ua dispersion?
Video: Poj hmoob dab tsi muaj plhus ua luaj - npawg lem & Tubzeb vwj nkauj tawm tshiab 2021 2024, Kaum ib hlis
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Dispersion txhais tau tias yog kev sib kis ntawm lub teeb dawb rau hauv nws cov spectrum tag nrho ntawm wavelengths. Ntau technically, kev tawg tshwm sim thaum twg muaj cov txheej txheem uas hloov cov kev taw qhia ntawm lub teeb nyob rau hauv ib yam uas nyob ntawm wavelength.

Ces, dispersion teb yog dab tsi?

Teb . Dispersion yog qhov tshwm sim nyob rau hauv uas theem tshaj tawm ntawm nthwv dej nyob ntawm nws qhov zaus. Wave nrog ntau zaus yog diffracted ntau tshaj cov uas muaj tsawg zaus.

Ib yam li ntawd, dispersion yog dab tsi thiab nws hom? Hauv qhov nruab nrab kho qhov muag, xws li fiber ntau, muaj peb hom ntawm kev tawg , chromatic, modal, thiab khoom siv. Chromatic Dispersion . Chromatic kev tawg tshwm sim los ntawm spectral dav ntawm lub emitter. Qhov dav spectral txiav txim seb tus naj npawb ntawm cov wavelengths sib txawv uas tawm ntawm LED lossis laser.

Tsis tas li ntawd, koj txhais li cas los ntawm lub sij hawm dispersion?

Dispersion yog ib qho kev txheeb cais lub sij hawm uas piav txog qhov loj ntawm qhov kev faib tawm ntawm cov txiaj ntsig xav tau rau ib qho kev sib txawv. Dispersion tau ntsuas los ntawm ntau yam kev txheeb cais, xws li ntau yam, qhov sib txawv, thiab tus qauv sib txawv.

Dab tsi yog qhov zoo li dispersion?

Kev txhais ntawm ib txwm dispersion .: kev tawg (raws li lub teeb los ntawm ib qho kev kho qhov muag grating) nyob rau hauv uas kev sib cais ntawm cov khoom nyob rau hauv ib tug spectrum nce mus tas li thiab yuav luag uniformly nrog lub wavelength, qhov kev sib cais yog ib tug monotonic muaj nuj nqi ntawm lub kev tawg sib txawv.

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