激光杂志
激光雜誌
격광잡지
LASER JOURNAL
2013年
4期
51-51,53
,共2页
张裕仕%高珊%薛冬%田贵才%闫昕
張裕仕%高珊%薛鼕%田貴纔%閆昕
장유사%고산%설동%전귀재%염흔
光子晶体%完全带隙%介电常数%时域有限差分法
光子晶體%完全帶隙%介電常數%時域有限差分法
광자정체%완전대극%개전상수%시역유한차분법
photonic crystal%complete forbidden band%dielectric constant ratio%finite difference time domain method
基于时域有限差分法，用GaAs构成金刚石、木堆和面心立方三种典型结构三维光子晶体，数值计算得到三种结构中GaAs构成金刚石结构三维光子晶形成较宽完全带隙结构，最大完全带隙结构为0．1393 Hz。改变金刚石结构三维光子晶体中小球介电常数，介电常数大的介质小球出现完全带隙结构的半径范围较大。结论为三维光子晶体的设计制备应用提供理论依据。
基于時域有限差分法，用GaAs構成金剛石、木堆和麵心立方三種典型結構三維光子晶體，數值計算得到三種結構中GaAs構成金剛石結構三維光子晶形成較寬完全帶隙結構，最大完全帶隙結構為0．1393 Hz。改變金剛石結構三維光子晶體中小毬介電常數，介電常數大的介質小毬齣現完全帶隙結構的半徑範圍較大。結論為三維光子晶體的設計製備應用提供理論依據。
기우시역유한차분법，용GaAs구성금강석、목퇴화면심립방삼충전형결구삼유광자정체，수치계산득도삼충결구중GaAs구성금강석결구삼유광자정형성교관완전대극결구，최대완전대극결구위0．1393 Hz。개변금강석결구삼유광자정체중소구개전상수，개전상수대적개질소구출현완전대극결구적반경범위교대。결론위삼유광자정체적설계제비응용제공이론의거。
Three -dimension photonic crystal with diamond ,face -centered cubic and the wood pile structural using GaAs were calculated using finite -difference time -domain method .The results show that the structure of diamond will produce wideband complete bandgap ,the maximum complete bandgap width is 0 .1393Hz .The dielectric constant of spherical were changed in three -dimensional photonic crystals with diamond structure ,the results show that the structure of diamond will produce complete bandgap in the wider radius with increasing the dielectric constant .The numerical results provide a reference for three -dimensional photonic crystals complete bandgap characteristics .
