Menene na'urar motsa jiki ta AOM modulator

Menene na'urar motsa jiki ta acousto-opticAOM modulator

Modulation na Acousto-optic fasaha ce ta waje. Gabaɗaya, na'urar acousto-optic da ke sarrafa ƙarfin bambance-bambancen katako na Laser ana kiranta daacousto-optic modulator(AOM modulator). Siginar da aka daidaita tana aiki akan mai jujjuyawar wutar lantarki a cikin nau'in siginar lantarki (amplitude modulation), sannan kuma ana jujjuya shi zuwa filin ultrasonic wanda ke canzawa cikin sigar siginar lantarki. Lokacin da raƙuman haske suka ratsa ta cikin matsakaicin acousto-optic, saboda tasirin acousto-optic, mai ɗaukar hoto yana daidaitawa kuma ya zama igiyoyin da aka daidaita mai ƙarfi wanda ke “dauke” bayanai.

Ƙa'idar aiki

Modulation na Acousto-optictsari ne na zahiri wanda ke amfani da tasirin acousto-optic don loda bayanai akan mai ɗaukar mitar gani. Siginar da aka daidaita tana aiki akan mai jujjuyawar wutar lantarki a cikin nau'in siginar lantarki (amplitude modulation), sannan kuma ana jujjuya shi zuwa filin ultrasonic wanda ke canzawa cikin sigar siginar lantarki. Lokacin da raƙuman haske suka ratsa ta cikin matsakaicin acousto-optic, saboda tasirin acousto-optic, mai ɗaukar hoto yana daidaitawa kuma ya zama igiyoyin da aka daidaita mai ƙarfi wanda ke “dauke” bayanai.

Modulator na gani (AOM modulator) yawanci yana kunshe da lu'ulu'u na acousto-optic, transducers, na'urorin sha da direbobi. Fitar da siginar da aka daidaita daga direban yana aiki akan transducer a cikin nau'in siginar lantarki sannan kuma a canza shi zuwa igiyoyin ultrasonic wanda ya bambanta ta hanyar siginar lantarki. Lokacin da ultrasonic kalaman wucewa ta cikin acousto-optic matsakaici, yana haifar da matsawa na gida da elongation na matsakaici, samar da na roba iri. Wannan nau'in yana canzawa lokaci-lokaci tare da lokaci da sarari, yana haifar da matsakaici don nuna wani sabon abu mai yawa, kama da grating lokaci. Lokacin da haske ya ratsa cikin wannan matsakaicin da raƙuman ruwa na ultrasonic ke damun su, wani abu mai ban mamaki yana faruwa. Ana kiran wannan sabon abu da tasirin acousto-optic. Ƙarƙashin tasirin sauti da haske, mai ɗaukar hoto yana gyare-gyare kuma ya zama igiyoyin da aka daidaita wanda ke "dauke" bayanai.

A taƙaice kwatanta manyan sigogi

Haɓaka haɓakawa da asarar daidaitawa

2. Bragg Angle: Lokacin da aka shigar da hasken abin da ya faru a cikin wanina'urar acousto-optica Bragg Angle, za a iya cimma mafi kyawun ingantaccen aiki. Kurakurai angular za su rage inganci.

3. Daidaituwar Angle Divergence

4. Saurin daidaitawa: Lokacin juyawa na gani yana bayyana ta hanyar watsa lokacin motsin sauti ta cikin kullin katako a cikin crystal A0.

5. Mafi kyawun ƙarfin RF (Ikon jikewa)