Fagen aikace-aikacen masu daidaita acousto-optic (AOM Modulator)

Fagen aikace-aikacen masu daidaita acousto-optic (AOM Modulator)

Ka'idar Acousto-optic modulator:

An mai daidaita acousto-optic(AOM Modulator) yawanci yana ƙunshe da lu'ulu'u na acousto-optic, transducers, na'urorin sha da direbobi. Fitowar siginar da aka daidaita daga direban tana aiki akan transducer 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 da aka daidaita wanda ke "ɗauke" bayanai.

Babban aikace-aikacen masu gyaran acousto-optic:

Sauti da Sauti Mai Sauti Mai Sauti (AOQS)

Makullin Q-switching na acoutooptic (AOQS) yana aiki a cikin ramin laser kuma ana daidaita shi sosai.

Ana amfani da ƙimar Q a cikin ramin don samar da lasers masu bugun jini tare da gajerun bugun jini da ƙarfin kololuwa mai girma. Yawanci ana amfani da AOQS don daidaita asarar hasken oda mai 0. Lokacin da aka kunna direban mitar rediyo na AOQS, hasken oda mai 0, saboda rarrabuwa, yana hana laser a cikin ramin juyawa, yana ƙara asarar ramin da kuma toshe fitowar laser. Lokacin da aka kashe direban mitar rediyo na ɗan lokaci, ana fitar da ƙarfin gani da aka tara a cikin ramin laser a cikin nau'in bugun jini, ta haka yana samar da laser mai bugun jini. Ana iya maimaita wannan tsari a ƙimar da ta wuce 100KHz. Lokacin da AOQS ke aiki a cikin yanayin Bragg, akwai fitilar diffraction guda ɗaya kawai. a cikin

Akwai fitilun diffraction da yawa lokacin aiki a cikin yanayin Raman-Niss.

2. Acousto-optic Modulator/Switch (AOM Modulator)

Masu daidaita Acousto-optic (AOM) gabaɗaya ana amfani da su a wajen ramin laser don canza ƙarfin laser da ya faru (modulation amplitude AM). Wannan na iya zama sauƙin daidaitawar ON/OFF don sauyawa cikin sauri ko daidaitawar matakin canzawa don cimma daidaitawar ƙarfi. Yanayin daidaitawa ana ƙaddara shi ta nau'in direban RF kuma yana iya zama dijital (kunnawa/kashewa) ko analog (sine, murabba'in wave, layi, bazuwar…). Gabaɗaya magana, na'urar RF ta AOM tana ɗaukar mitar da aka ƙayyade. Maɓallin siga naMai daidaita AOMshine lokacin tashi/faɗuwa, wanda ke bayyana saurin "sauri" ko girman daidaitawar daidaitawa. Lokacin tashi/faɗuwa yayi daidai da diamita na hasken da ke cikin na'urar sarrafawa. Saboda haka, domin samun saurin hawa, dole ne a sarrafa diamita na hasken laser da ya faru. Ana iya amfani da AOM azaman rufewa (yana kunnawa da kashewa a daidai mita) da kuma azaman mai rage haske mai canzawa (yana sarrafa ƙarfin hasken da aka watsa ta hanyar aiki). Ana samun daidaitaccen laser ta hanyar sarrafa mitar rediyo don haifar da raƙuman sauti a cikin lu'ulu'u na acousto-optic.

3. Mai karkatar da Acousto-optic (AODF)

Mai karkatar da acoutooptic (AODF) zai iya samun na'urar daukar hoton haske mai ban sha'awa ta hanyar canza mitar tuƙin mitar rediyo. Matsayin na'urar daukar hoton na iya zama matsayi bazuwar, na'urar daukar hoton layi mai ci gaba da kuma karkata maki mai jere. Dangane da lu'ulu'u, tsawon rai da girman hasken, ana iya cimma lokacin amsawa na microseconds 0.05 zuwa 15 da kuma daidaitaccen ikon sarrafa nRad.

4. Mai Canza mitar Acousto-optic (AOFS)

Bayan wucewa ta dukkan na'urorin acousto-optic, hasken fitowar diffraction na hasken laser zai samar da canjin mita. Mai canza mitar acousto-optic (AOFS) ƙaramin na'ura ce da aka tsara musamman don cimma canjin mita. Dangane da kusurwoyin da aka zaɓa daban-daban na faruwa, AOFS zai canza mitar sama ko ƙasa ta hanyar mitar siginar mitar rediyo da aka yi amfani da ita, kuma ana iya haɗa na'urori biyu ko fiye don cimma haɗuwar mitar jimla ko bambanci. Kayayyakin AOFS suna ɗaukar kusurwoyin shaƙar sauti na musamman, waɗanda zasu iya rage hasken sauti da haɓaka ingancin AOFS.

5. Matatar Daidaita Acousto-optic (AOTF)

Matatar da za a iya gyarawa ta acousto-optic (AOTF) matatar mai amfani da na'urar hangen nesa ce mai ƙarfi, wacce aka yi wa magana ta hanyar lantarki kuma aka samu damar shiga bazuwar. Ana iya amfani da ita don zaɓar takamaiman raƙuman ruwa daga hanyoyin sadarwa na intanet ko layuka da yawa cikin sauri da ƙarfi. Diffraction yana faruwa ne lokacin da aka cika takamaiman yanayi tsakanin hasken sauti. Saboda haka, yana yiwuwa a sarrafa sigogin tacewa ta hanyar lantarki (kamar tsawon rai, zurfin daidaitawa, har ma da bandwidth), ta haka yana samar da damar shiga cikin sauri (yawanci ƙananan daƙiƙa), ƙarfin aiki, da kuma bazuwar zuwa ga tacewa ta gani.