简介:Wepresentatabletop-scalespotlight-modedown-lookingsyntheticapertureimagingladar(DLSAIL)demonstrator,whichisperformedbyacollimatorwith10mfocallengthtosimulatethefar-fieldopticalfield.Aspecular-pointtargetandadiffuse-reflectiontargethavebeenusedforresolutionanalysisand2Dimaging,respectively.Theexperimentalresultisinagreementwiththetheoreticaldesign.Theexperimentsetupiscapableofsimulatingarealapplicationscenarioforfurtherstudy.ThisLetterisfocusedonthepropositionandimplementationofspotlight-modeDLSAIL.