Sida loo isticmaalo modulator-ka indhaha ee acousto sida badhanka indhaha

Sida loo isticmaalo qalabka wax lagu beddelo ee loo yaqaan 'acousto optic modulator' (AOM modulator) oo ah badhanka indhaha.
1. Asalka iyo macnaha guud ee horumarka tignoolajiyada
1.1 Asalka Laser-ka: Sannadkii 1960-kii, Theodore Meiman wuxuu ikhtiraacay laser-ka ruby-ga ah ee ugu horreeyay ee wax ku oolka ah, kaasoo calaamad u ah dhalashada tignoolajiyada laser-ka.
1.2 Horumarinta Laser-ka: Intaa ka dib, noocyo kala duwan oo laser ah ayaa soo baxay, sida laser-ka gaaska (sida helium neon lasers), laser semiconductor, iyo laser-ka adag (sida laser-ka YAG), iyagoo si tartiib tartiib ah u ballaarinaya baaxaddooda codsigooda ilaa goobaha militariga, warshadaha, iyo caafimaadka.
1.3 Hordhaca shuruudaha asaasiga ah: Laser-ku wuxuu u baahan yahay soo saar koronto oo deggan, codsiyo badanna, laser-ku si joogto ah uma iftiimin karo bartilmaameedka. Si looga fogaado wareejinta soo noqnoqda ee laser-ka laftiisa, badhanka indhaha ee dibadda ayaa la soo bandhigayaa si sax ah loogu xakameeyo shidista/daminta laser-ka.

2. Mabda'a shaqada ee modulator-ka indhaha ee acousto (modulator-ka AOM)
AOM waa qalab indhaha ah oo adeegsada saameynta acousto-optic, halkaas oo hirarka dhawaaqa ay ku faafaan meel dhexe si ay u sameeyaan isbeddello tusmada refractive-ka ah oo xilliyeed ah, taasoo wax ka beddesha astaamaha hirarka iftiinka ee dhex mara bartamaha, sida xoogga, soo noqnoqoshada, iyo jihada. Waqtigan xaadirka ah, diiradda waxaa la saarayaa laba qaab oo kala-soocid ah:
1.1 Kala-soocidda Bragg: Tan ugu badan ayaa ah in hirarka iftiinka iyo dhawaaqa ay sameeyaan xagal gaar ah, tamarta kala-soociddana waxay inta badan ku urursan tahay iftiinka heerka koowaad, oo la mid ah shabagga stereo. Habkan waxaa inta badan loo isticmaalaa codsiyada badhanka indhaha.
1.2 Kala-soocidda Raman: Jihada faafinta iftiinka iyo hirarka dhawaaqa waa mid toosan, iftiinka kala-soocidda lehna wuxuu muujinayaa qaybin siman oo heer badan leh, oo la mid ah shabagga toosan.
3. Habka shaqada ee modulator-ka AOM oo ah badhanka indhaha
3.1 AOM ma soo saarto calaamadda (ma shaqeyso): Laser-ku si toos ah ayuu u dhex maraa (iftiinka heerka 0) waxaana nuuga muraayadda milicsiga ee ku jirta wadada indhaha, iyada oo aan wax soo saar waxtar leh lahayn.
3.2 Calaamadda rarista AOM (shaqaynaysa): kala-soocidda ayaa la sameeyaa, iftiinka amarka koowaadna waxaa laga soo saaraa xagal gaar ah wuxuuna galaa waddada indhaha ee xigta si loo isticmaalo.
Iyadoo la xakameynayo in modulator-ka AOM uu soo raro calaamadaha, waxaa la gaari karaa beddel degdeg ah iyo wax ka beddelka laysarka, iyadoo la buuxinayo xaaladaha codsiga ee u baahan xakamaynta waqtiga shucaaca laysarka.
Marka laga soo tago in loo isticmaalo sidii badhanka indhaha, AOM waxay sidoo kale isticmaali kartaa labadeeda heer ee iftiinka si ay u abuurto faragelin iyo sameynta calaamadaha garaaca indhaha, kuwaas oo loo isticmaali karo cabbiraadda iyo meelaha kale. Baahida wax ku oolka ah ee wax soo saarka awoodda laser-ka ee deggan ayaa keentay tiknoolajiyada badhanka indhaha, iyo modulators-ka indhaha ee acousto (modulator-ka AOM) waxay ku salaysan yihiin mabda'a iyo codsiga shaqada badhanka indhaha iyadoo la adeegsanayo saamaynta acousto-optic, gaar ahaan qaabka kala-goynta Bragg.