Menene na'urar daidaita sauti ta acousto-optical?Mai daidaita AOM
Tsarin daidaitawar Acousto-optic wata dabara ce ta gyaran fuska ta waje. Gabaɗaya, na'urar acousto-optic wadda ke sarrafa bambancin ƙarfin hasken laser ana kiranta damai daidaita acousto-optic(AOM modulator). Siginar da aka daidaita tana aiki akan na'urar transducer ta lantarki a cikin siginar lantarki (modulation amplitude), sannan ana canza ta zuwa wani filin ultrasonic wanda ke canzawa a cikin siginar lantarki. Lokacin da raƙuman haske suka ratsa ta tsakiyar acousto-optic, saboda tasirin acousto-optic, ana daidaita mai ɗaukar haske kuma ya zama raƙuman haske mai ƙarfi wanda ke "ɗauke" bayanai.
Ka'idar aiki
Daidaita Acousto-optictsari ne na zahiri wanda ke amfani da tasirin acousto-optic don loda bayanai a kan mai ɗaukar mitar gani. Siginar da aka daidaita tana aiki akan mai canza wutar lantarki a cikin siginar lantarki (modulation na amplitude), sannan ana canza ta zuwa filin ultrasonic wanda ke canzawa a cikin siginar lantarki. Lokacin da raƙuman haske suka ratsa ta tsakiyar acousto-optic, saboda tasirin acousto-optic, mai ɗaukar hasken yana canzawa kuma ya zama raƙuman ruwa mai ƙarfi wanda ke "ɗaukar" bayanai.
Mai daidaita sauti na acousto-optic (AOM modulator) yawanci yana ƙunshe da lu'ulu'u na acousto-optic, masu canza sauti, na'urorin sha da direbobi. Fitowar siginar da aka daidaita daga direban tana aiki akan mai canza sauti a cikin siginar lantarki sannan a canza ta zuwa raƙuman ultrasonic wanda ke canzawa a cikin siginar lantarki. Lokacin da raƙuman ultrasonic suka ratsa ta cikin matsakaiciyar acousto-optic, yana haifar da matsi na gida da tsawaita matsakaici, yana haifar da matsin lamba na roba. Wannan nau'in yana canzawa lokaci-lokaci tare da lokaci da sarari, yana sa matsakaici ya nuna wani yanayi mai canzawa, kama da grating na lokaci. Lokacin da haske ya ratsa ta wannan matsakaici wanda raƙuman ultrasonic suka dame shi, wani yanayi mai rarrabuwar ra'ayi yana faruwa. Wannan lamari ana kiransa tasirin acousto-optic. A ƙarƙashin tasirin sauti da haske, ana daidaita mai ɗaukar haske kuma ya zama raƙuman haske wanda ke "ɗauke" bayanai.
A taƙaice bayyana manyan sigogi
Ingancin diffraction da asarar daidaitawa
2. Kusurwar Bragg: Lokacin da aka shigar da hasken da ya faru a cikin wanina'urar acousto-opticalA Bragg Angle, ana iya cimma mafi kyawun ingancin diffraction. Kurakurai na kusurwa za su rage inganci.
3. Daidaita kusurwar bambanci
4. Saurin daidaitawa: Lokacin sauyawar gani ana ayyana shi ta hanyar lokacin watsa sautin ta cikin kugu a cikin lu'ulu'u na A0.
5. Ƙarfin RF Mafi Kyau (Ƙarfin Cikewa)
Lokacin Saƙo: Yuni-04-2025