Makhalidwe aAOM acousto-optic modulator
Pitirizani ndi mphamvu yayikulu yowunikira
Chowongolera cha AOM acousto-optic chimatha kupirira mphamvu ya laser yamphamvu, kuonetsetsa kuti ma laser amphamvu amatha kudutsa bwino. Mu ulalo wa laser wokhala ndi ulusi wonse,modulator ya fiber acousto-opticAmasintha kuwala kosalekeza kukhala kuwala kozungulira. Chifukwa cha kayendedwe kochepa ka kuwala kwa kuwala, mphamvu zambiri zowunikira zimakhala mkati mwa kuwala kwa zero-order. Kuwala kwa diffraction kwa ola loyamba ndi kuwala kwa zero-order kunja kwa kristalo ya acousto-optic zimafalikira mu mawonekedwe a kuwala kwa Gaussian kosiyana. Ngakhale kuti zimakwaniritsa zofunikira zolekanitsa, gawo la mphamvu zowunikira za kuwala kwa zero-order zimasonkhana m'mphepete mwa optical fiber collimator ndipo sizingatumizidwe kudzera mu optical fiber, pamapeto pake zimayaka kudzera mu optical fiber collimator. Kapangidwe ka diaphragm kamayikidwa munjira yowunikira kudzera mu chimango chosinthira chapamwamba kwambiri cha magawo asanu ndi limodzi kuti aletse kufalikira kwa kuwala kozungulira pakati pa optical fiber, ndipo kuwala kwa zero-order kumatumizidwa ku nyumba kuti kulepheretse kuwala kwa zero-order kuyatsa optical fiber collimator.
Nthawi yokwera mofulumira
Mu ulalo wa laser wokhala ndi ulusi wonse, nthawi yofulumira ya kugunda kwa kuwala kwa AOM imakweramodulator ya acouste-opticZimaonetsetsa kuti kugunda kwa chizindikiro cha dongosolo kumatha kudutsa bwino kwambiri, pomwe zimaletsa phokoso la maziko kulowa mu shutter ya nthawi-domain acouste-optic (chipata cha nthawi-domain pulse). Chofunika kwambiri pakukwaniritsa nthawi yokwera mwachangu kwa ma pulse optical ndikuchepetsa nthawi yodutsa ya mafunde a ultrasonic kudzera mu kuwala. Njira zazikulu zimaphatikizapo kuchepetsa m'chiuno mwa kuwala kwa chochitika kapena kugwiritsa ntchito zipangizo zomwe zili ndi liwiro lalikulu la mawu kuti apange makristasi a acoust-optic.
Chithunzi 1 Nthawi yokwera ya kugunda kwa mtima kwa kuwala
Kugwiritsa ntchito mphamvu zochepa komanso kudalirika kwambiri
Zombo za m'mlengalenga zili ndi zinthu zochepa, mikhalidwe yovuta komanso malo ovuta, zomwe zimapangitsa kuti magetsi a AOM modulators azigwiritsidwa ntchito kwambiri komanso kudalirika.AOM modulatorimagwiritsa ntchito kristalo yapadera ya tangential acousto-optic, yomwe ili ndi acousto-optic quality factor M2 yapamwamba kwambiri. Chifukwa chake, pansi pa mikhalidwe yomweyi yogwira ntchito bwino, mphamvu yoyendetsera yofunikira ndi yochepa. Chowongolera cha fiber optical acoust-optic chimagwiritsa ntchito kapangidwe kameneka ka mphamvu yochepa, komwe sikungochepetsa kufunikira kwa mphamvu yoyendetsera ndikusunga zinthu zochepa mumlengalenga, komanso kumachepetsa kuwala kwa maginito kwa chizindikiro choyendetsera ndikuchepetsa kupsinjika kwa kutentha pamakina. Malinga ndi zofunikira zoletsedwa (zoletsedwa) zazinthu zamlengalenga, njira yokhazikika yokhazikitsira maginito ya optical fiber acousti-optic modulators imangogwiritsa ntchito njira yolumikizira rabara ya silicone yokhala ndi mbali imodzi. Rabara ya silicone ikalephera, magawo aukadaulo a kristalo adzasintha pansi pa mikhalidwe yogwedezeka, yomwe siyikwaniritsa zofunikira za njira zopangira ndege. Mu ulalo wa laser, kristalo ya optical fiber acoust-optic modulator imakhazikika pophatikiza fixation yamakina ndi silicone rabara bonding. Kapangidwe ka malo oyika pamwamba ndi pansi ndi kofanana momwe zingathere, ndipo nthawi yomweyo, malo olumikizirana pakati pa pamwamba pa kristalo ndi nyumba yoyika amakulitsidwa kwambiri. Ali ndi ubwino wa mphamvu yotaya kutentha kwambiri komanso kugawa kwa kutentha kofanana. Ma collimator achikhalidwe amakhazikika ndi rabara ya silicone yolumikizana. Pansi pa kutentha kwakukulu ndi kugwedezeka, amatha kusuntha, zomwe zimakhudza magwiridwe antchito azinthu. Kapangidwe ka makina tsopano kagwiritsidwa ntchito kukonza collimator ya fiber optical, yomwe imakulitsa kukhazikika kwazinthu ndikukwaniritsa zofunikira za njira zopangira ndege.
Nthawi yotumizira: Julayi-03-2025