檢視 *-cavitygainloss 的原始碼

The cavity gain and cavity loss are save for plotting the cavity loss and cavity gain at the same time. The format is  

 N_modes , R_l , R_r,  L
 loss_1
 loss_2
 loss_3
 ...
 loss_N 
 Energy  Cavity_gain_1 Cavity_gain_2, Cavity_gain_3 ......
 Energy  Cavity_gain_1 Cavity_gain_2, Cavity_gain_3 ......
 Energy  Cavity_gain_1 Cavity_gain_2, Cavity_gain_3 ......
 ...
 ...
 ...