Ngokulawula isigaba se-unit beam kwi-beam array, iteknoloji ye-optical phased array inokufezekisa ukwakhiwa ngokutsha okanye ukulawulwa ngokuchanekileyo kwe-array beam isopic plane. Inezibonelelo zomthamo omncinci kunye nobunzima benkqubo, isantya sokuphendula ngokukhawuleza kunye nomgangatho olungileyo we-beam.
Umgaqo osebenzayo weteknoloji ye-optical phased array kukutshintsha ngokufanelekileyo (okanye ukulibazisa) isignali yento esisiseko ecwangciswe ngokomthetho othile ukuze kufunyanwe ukuphambuka kwe-array beam. Ngokwenkcazo engentla, iteknoloji ye-optical phased array ibandakanya iteknoloji ye-large-angle beam deflection ye-beam emission arrays kunye neteknoloji ye-array telescope interference imaging yokufota nge-high-resolution yeethagethi ezikude.
Ngokwembono yokukhupha, i-optical phased array kukulawula i-phase ye-array transmitted beam, ukuze kufezekiswe ukuphambuka okupheleleyo kwe-array beam okanye i-phase error compensation. Umgaqo osisiseko we-optical phased array uboniswe kuMfanekiso 1. UMfanekiso 1 (a) yi-incoherent synthetic array, oko kukuthi, kukho "i-array" kuphela ngaphandle kwe-"phased array". Umfanekiso 1 (b) ~ (d) ubonisa iimeko ezintathu zokusebenza ezahlukeneyo ze-optical phased array (oko kukuthi, i-coherent synthetic array).
Inkqubo yokwenziwa kwe-Incoherent yenza kuphela i-superposition elula yamandla e-array beam ngaphandle kokulawula isigaba se-array beam. Umthombo wayo wokukhanya unokuba zii-laser ezininzi ezine-wavelengths ezahlukeneyo, kwaye ubungakanani be-far-field spot bumiselwa bubungakanani beyunithi ye-transmitter array, ngaphandle kwenani lezinto ze-array, i-aperture elinganayo ye-array kunye nomlinganiselo womsebenzi we-beam array, ngoko ke ayinakubalwa njenge-phased array ngengqiqo yokwenyani. Nangona kunjalo, inkqubo yokwenziwa kwe-incoherent isetyenzisiwe kakhulu ngenxa yesakhiwo sayo esilula, imfuneko ephantsi ekusebenzeni komthombo wokukhanya kunye namandla aphezulu okukhupha.
Ngokwembono yokufumana, i-optical phased array isetyenziswa kwi-high-resolution imaging yee-remote targets (FIG. 2). Yenziwe yi-telescope array, i-phase retarder array, i-beam combinator kunye ne-imaging device. Ukuhambelana okuntsonkothileyo komthombo we-target kufunyanwa. Umfanekiso we-target ubalwe ngokwe-Fanssert-Zernick theorem. Le ndlela ibizwa ngokuba yi-interference imaging technique, enye yeendlela ze-synthetic aperture imaging. Ngokwembono yesakhiwo senkqubo, ulwakhiwo lwe-interferometric imaging system kunye ne-phased array emission system iyafana, kodwa indlela yokudlulisela indlela ye-optical kwizicelo ezimbini ichasene.
Ixesha lokuthumela: Meyi-26-2023