"Polarization" wata siffa ce ta gama gari ta nau'ikan laser daban-daban, wanda aka ƙaddara ta hanyar ƙa'idar samuwar laser.hasken laserana samar da shi ta hanyar hasken da ke motsa ƙwayoyin matsakaici masu fitar da haske a cikinlaserHasken da aka ƙarfafa yana da wata siffa mai ban mamaki: lokacin da photon na waje ya bugi barbashi a cikin yanayin kuzari mafi girma, barbashi yana haskaka photon kuma yana canzawa zuwa yanayin kuzari mafi ƙanƙanta. Photon da aka samar a cikin wannan tsari suna da mataki ɗaya, alkiblar yaɗuwa da yanayin polarization kamar photon na ƙasashen waje. Lokacin da aka samar da kwararar photon a cikin laser, duk photons a cikin rafin photon na yanayi suna raba mataki ɗaya, alkiblar yaɗuwa, da yanayin polarization. Saboda haka, dole ne a raba yanayin laser na tsayi (mita).
Ba dukkan lasers ne ke da polarization ba. Yanayin polarization na laser yana shafar abubuwa da yawa, ciki har da:
1. Tunani na resonator: Domin tabbatar da cewa an gano ƙarin photons don samar da tsayayyun juyawa a cikin ramin da kuma samar da su.hasken laser, ƙarshen fuskar resonator yawanci ana rufe shi da fim mai haske mai kyau. A cewar dokar Fresnel, aikin fim mai haske mai faɗi da yawa yana sa hasken da aka nuna na ƙarshe ya canza daga hasken halitta zuwa layi ɗaya.haske mai rarrabuwa.
2. Halayen hanyar samun riba: samar da laser ya dogara ne akan hasken da aka ƙarfafa. Lokacin da ƙwayoyin halitta masu motsawa suna haskaka photons a ƙarƙashin motsin photons na ƙasashen waje, waɗannan photons suna girgiza a cikin alkibla ɗaya (yanayin polarization) kamar photons na ƙasashen waje, suna ba da damar laser ya kiyaye yanayin polarization mai ƙarfi da na musamman. Ko da ƙananan canje-canje a cikin yanayin polarization za a tace ta ta hanyar resonator saboda ba za a iya samar da oscillations masu ƙarfi ba.
A cikin ainihin tsarin kera laser, yawanci ana ƙara farantin raƙuman ruwa da lu'ulu'u na polarization a cikin laser don gyara yanayin kwanciyar hankali na resonator, don haka yanayin polarization a cikin rami ya zama na musamman. Wannan ba wai kawai yana sa kuzarin laser ya fi yawa ba, ingancin motsawa ya fi girma, har ma yana guje wa asarar da rashin iya juyawa ke haifarwa. Saboda haka, yanayin polarization na laser ya dogara ne akan abubuwa da yawa kamar tsarin resonator, yanayin matsakaicin riba da yanayin oscillation, kuma ba koyaushe yake na musamman ba.
Lokacin Saƙo: Yuni-17-2024