[1] LI Ying,LIU Zhengyou,QIU Chunyin.Negative Refraction Imaging of Acoustic Waves by a Two-Dimensional Three-Component Phononic Crystal[J].Phys. Rev. B,2006,73:054 302-054 306.[2] SIGALAS M M,ECONOMOU E N.Band Structure of Elastic Waves in Two-Dimensional System[J].Solid State Commun.,1993,86:141-143.[3] KUSHWAHA M S,HALEVI P,DOBRZYNSKI L,et al.Acoustic Band Structure of Periodic Elastic Composites[J].Phys. Rev. Lett.,1993,71(13):2 022-2 025.[4] LIU Zhengyou,ZHANG Xixiang,MAO Yiwei,et al,Locally Resonant Sonic Materials[J].Science,2000,289:1 734-1 736.[5] SUKHOVICH A,MERHEB B,MURALIDHARAN K,et al.Experimental and Theoretical Evidence for Subwavelength Imaging in Phononic Crystals[J].Phys. Rev. Lett.,2009,102:154 301-154 304.[6] LI Bo,DENG Ke,ZHAO Heping.Acoustic Guiding and Subwavelength Imaging with Sharp Bending by Sonic Crystal[J].Appl. Phys. Lett.,2011,99:051 908-051 912.[7] QIU Chunyin,ZHANG Xiangdong,LIU Zhengyou.Far-Field Imaging of Acoustic Waves by Two-Dimensional Sonic Crystal[J].Phys. Rev. B,2005,71:054 302-054 308.[8] LI Jing,LIU Zhengyou.Negative Refraction Imaging of Acoustic Waves by Two-Dimensional Three-Component Phononic Crystal[J].Phys. Rev. B,2006,73:054 302-054 306.[9] QIU Chunyin,LIU Zhengyou,SHI Jing,et al.Directional Acoustic Source Based on Resonant Cavity of Two-Dimensional Phononic Crystal[J].Appl. Phys. Lett.,2005,86:224 105.[10] NOTOMI M.Theory of Light Propagation in Strongly Modulated Photonic Crystals:Refraction Like Behavior in the Vicinity of the Photonic Band Gap[J].Phys. Rev. B,2000,62:10 696-10 705.[11] SMITH D R,PENDRY J B,WILTSHIRE M C K.Metamaterials and Negative Refractive Index[J].Science,2004,305(5 685):788-792.[12] VESELAGO V G.The Electrodynamics of Substances with Simultaneously Negative Values of ε and μ[J].Sov. Phys. Usp.,1968,10:509-514. |