Mai daidaita hasken lantarki (electro-optical modulator)EOM) yana sarrafa iko, mataki da kuma rarrabuwar haske na hasken laser ta hanyar sarrafa siginar ta hanyar lantarki.
Mafi sauƙina'urar sarrafa na'urar lantarki (electro-optical modulator)wani abu nemai daidaita lokaciwanda ya ƙunshi akwatin Pockels guda ɗaya kawai, inda filin lantarki (wanda aka shafa a kan lu'ulu'u ta hanyar lantarki) ke canza jinkirin lokacin hasken laser bayan ya shiga lu'ulu'u. Yanayin rabuwar hasken wutar lantarki na hasken wutar lantarki yawanci yana buƙatar zama daidai da ɗaya daga cikin gatari na gani na lu'ulu'u don kada yanayin rabuwar hasken wutar ya canza.
A wasu lokuta ƙaramin tsari ne kawai ake buƙata (lokaci-lokaci ko lokaci-lokaci). Misali, ana amfani da EOM don sarrafawa da daidaita mitar resonators na gani. Yawanci ana amfani da masu daidaita resonance a cikin yanayi inda ake buƙatar gyare-gyare na lokaci-lokaci, kuma ana iya samun babban zurfin daidaitawa tare da matsakaicin ƙarfin tuƙi kawai. Wani lokaci zurfin daidaitawa yana da girma sosai, kuma ana samar da adadi mai yawa na gefe (janareto mai haske, tsefe mai haske) a cikin bakan.
Mai daidaita rarrabuwar kawuna
Dangane da nau'in da alkiblar lu'ulu'u mara layi, da kuma alkiblar ainihin filin lantarki, jinkirin lokaci yana da alaƙa da alkiblar rarrabuwar kawuna. Saboda haka, akwatin Pockels zai iya ganin faranti masu sarrafa raƙuman lantarki da yawa, kuma ana iya amfani da shi don daidaita yanayin rarrabuwar kawuna. Don hasken shigarwa mai layi (yawanci a kusurwar 45° daga axis na lu'ulu'u), rarrabuwar kawuna na fitowar yawanci yana da elliptical, maimakon kawai a juya shi da kusurwa daga hasken da aka juya ta layi.
Mai daidaita girman girma
Idan aka haɗa shi da wasu abubuwan gani, musamman tare da masu amfani da polarizers, ana iya amfani da akwatunan Pockels don wasu nau'ikan daidaitawa. Mai sarrafa girman a Hoto na 2 yana amfani da akwatin Pockels don canza yanayin polarization, sannan yana amfani da polarizer don canza canjin yanayin polarization zuwa canji a cikin girma da ƙarfin hasken da aka watsa.
Wasu daga cikin aikace-aikacen da ake amfani da su wajen gyaran na'urorin lantarki sun haɗa da:
Daidaita ƙarfin hasken laser, misali, don buga laser, rikodin bayanai na dijital mai sauri, ko sadarwa mai sauri;
Ana amfani da shi a cikin hanyoyin daidaita mitar laser, misali, ta amfani da hanyar Pound-Drever-Hall;
Maɓallan Q a cikin lasers masu ƙarfi (inda ake amfani da EOM don rufe resonator na laser kafin radiation mai ƙarfi);
Yanayin kullewa mai aiki (Rashin canjin rami na EOM ko matakin hasken tafiya da dawowa, da sauransu);
Sauya bugun jini a cikin na'urorin da ke ɗaukar bugun jini, amplifiers masu kyau da kuma lasers masu karkatarwa.
Lokacin Saƙo: Oktoba-11-2023