System Efficiency : 0.999138 %'\D _W&
QC4_\V>[
Receiver Efficiency : 0.945327 9foQ0#R
BxZ}YS:
Coupling Efficiency : 0.944512 (-0.2479 dB) dyWW gC%A
Ze WHSU
Maximum Efficiency : 0.995227 b_V)]>v+
!SJmu}OB]
The system efficiency is the fraction of the energy in the source i+(`"8W
beam that exits the optical system. This value is determined by 'Z T!a]4
the input na, entrance pupil size and position, apodization, =Z#tZ{"
transmission of the optics, and vignetting. !"2 OcDFx
Uj k``;
The receiver efficiency is the fraction of the transmitted energy <py~( q
that couples from the exit pupil to the receiving fiber. This 5`x9+XvoN
value is determined by aberrations and the na of the receiving fiber. iCAd7=o
pe , c
The coupling efficiency is the fraction of energy radiated DX$`\PA
by the source that couples into the receiver. This is the h^hEyrJw
product of the system and receiver efficiencies. 42z9N\ f
9-Ib+/R0
The maximum efficiency is the coupling efficiency if there % Pa-fee
were no aberrations. aE,x>I 7 D
-2
t Z
数值孔径不是越大越好呀,当耦合光学系统的模式与你光线的模式完全匹配时,耦合效率最大. C dZ;ZR
耦合效率的计算有一个积分过程,还是比较复杂的.
