In this paper we calculated the acoustic intensity distribution of different transducers, and designed acousto-optic tunable filter(AOTF) based on different transducers. Through the experiment, we find sidelobe can be reduced by changing the transducer geometry.
Fan Guo-fang ,Yang Ji-sheng,Sang Wei, Xu Ke-xinDepartment of Applied Physics, State Key Laboratory of Precision Technology and Instruments, Tianjin University.P.R.China, Tel:86-22-27402284,Fax:86-22-27890681 ,E-mail:fgf78@eyou.com