System Efficiency : 0.999138 *V 4%&&{
t<ZBp0
Receiver Efficiency : 0.945327 JOJuGB-d
3dlY_z=0
Coupling Efficiency : 0.944512 (-0.2479 dB) D<|$ZuB4
F]D{[dBf
Maximum Efficiency : 0.995227 {2YqEX-I*
~(8f Uob
The system efficiency is the fraction of the energy in the source uVKe ?~RC
beam that exits the optical system. This value is determined by k%X
$@NP
the input na, entrance pupil size and position, apodization, A*~G[KC3(
transmission of the optics, and vignetting. "{ \xBX~oM
4hc[rN,]
The receiver efficiency is the fraction of the transmitted energy ]YtN6Rq/
that couples from the exit pupil to the receiving fiber. This 7e\Jg/FU
value is determined by aberrations and the na of the receiving fiber. :)i,K>y3i
l i)6^f#
The coupling efficiency is the fraction of energy radiated 3&CV!+z
by the source that couples into the receiver. This is the mt$rjk=
product of the system and receiver efficiencies. 0KTO)K
zyhM*eM.7
The maximum efficiency is the coupling efficiency if there qajZ~oB{
were no aberrations. vbn=ywz
g$^-WmX\m
数值孔径不是越大越好呀,当耦合光学系统的模式与你光线的模式完全匹配时,耦合效率最大. lg8@^Pm$r;
耦合效率的计算有一个积分过程,还是比较复杂的.