Walker, Ezekiel; Reyes Contreras, Delfino; Mayorga Rojas, Miguel; Krokhin, Arkadii; Neogi, Arup; Wang, Zhiming
(APPLIED PHYSICS LETTERS, 2014-09-07)
A tunable phononic crystal based ultrasonic filter was designed by stimulating the phase of the
polymeric material embedded in a periodic structure using infrared radiation. The acoustic filter
can be tuned remotely using ...