src/material/InN/InN_Optical.cc

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*              8888888         88888888         88888888                    */
   4 /*            8                8                8                            */
   5 /*           8                 8                8                            */
   6 /*           8                  88888888         88888888                    */
   7 /*           8      8888                8                8                   */
   8 /*            8       8                 8                8                   */
   9 /*              888888         888888888        888888888                    */
  10 /*                                                                           */
  11 /*       A Two-Dimensional General Purpose Semiconductor GaAsmulator.        */
  12 /*                                                                           */
  13 /*  GSS material database Version 0.4                                        */
  14 /*  Last update: Feb 17, 2006                                                */
  15 /*                                                                           */
  16 /*  Gong Ding                                                                */
  17 /*  gdiso@ustc.edu                                                           */
  18 /*  NINT, No.69 P.O.Box, Xi'an City, China                                   */
  19 /*                                                                           */
  20 /*****************************************************************************/
  21 //
  22 // Material Type: InN
  23
  24
  25 #include "PMI.h"
  26
  27 typedef struct
  28 {
  29    PetscScalar  wavelength;
  30    PetscScalar  RefractionIndexRe;
  31    PetscScalar  RefractionIndexIm;
  32 } table;
  33
  34
  35 static table  InN[] =  {
  36 //i can't find any reflection data for InN...
  37 };
  38
  39 class GSS_InN_Optical : public PMIS_Optical
  40 {
  41 private:
  42   int   table_size;
  43 public:
  44   complex<PetscScalar> RefractionIndex(PetscScalar lamda, PetscScalar Eg=1.12, PetscScalar Tl=1.0) const
  45   {
  46     complex<PetscScalar> n(1.0,0.0);
  47     if(!table_size) return n;
  48     if(lamda<InN[0].wavelength)
  49       return complex<PetscScalar> (InN[0].RefractionIndexRe,InN[0].RefractionIndexIm);
  50     if(lamda>InN[table_size-1].wavelength)
  51       return complex<PetscScalar> (InN[table_size-1].RefractionIndexRe,InN[table_size-1].RefractionIndexIm);
  52     for(int i=0;i<table_size-1;i++)
  53     {
  54        if(lamda>=InN[i].wavelength && lamda<=InN[i+1].wavelength)
  55        {
  56           complex<PetscScalar> n1(InN[i].RefractionIndexRe,InN[i].RefractionIndexIm);
  57           complex<PetscScalar> n2(InN[i+1].RefractionIndexRe,InN[i+1].RefractionIndexIm);
  58           PetscScalar d1 = lamda-InN[i].wavelength;
  59           PetscScalar d2 = InN[i+1].wavelength-lamda;
  60           n = (n1*d2 + n2*d1)/(d1+d2);
  61           break;
  62        }
  63     }
  64     return n;
  65   }
  66
  67 // constructions
  68 public:
  69   GSS_InN_Optical(const PMIS_Environment &env):PMIS_Optical(env)
  70   {
  71     table_size = sizeof(InN)/sizeof(table);
  72     //the wave length should be scaled
  73     for(int i=0;i<table_size;i++)
  74     {
  75         InN[i].wavelength*=um;
  76     }
  77   }
  78
  79   ~GSS_InN_Optical()
  80   {}
  81 }
  82 ;
  83
  84 extern "C"
  85 {
  86   PMIS_Optical*  PMIS_InN_Optical_Default (const PMIS_Environment& env)
  87   {
  88     return new GSS_InN_Optical(env);
  89   }
  90 }
  91