System Efficiency : 0.999138 qM d4awB
R
<II>io ;
Receiver Efficiency : 0.945327 0"mr*hyj
d @b ]/
Coupling Efficiency : 0.944512 (-0.2479 dB) {@ tO9pc`8
]C-a[
Maximum Efficiency : 0.995227 PD^Cj?wm
d( , M
The system efficiency is the fraction of the energy in the source lQ2vQz-J
beam that exits the optical system. This value is determined by / !hxW}>^
the input na, entrance pupil size and position, apodization, S e!B,'C%
transmission of the optics, and vignetting. Z ..s /K {
{w v{"*Q9Q
The receiver efficiency is the fraction of the transmitted energy aM\Ph&c7e'
that couples from the exit pupil to the receiving fiber. This >PUT(yNL
value is determined by aberrations and the na of the receiving fiber. 'lgS;ItpKu
u )Vn7zh
The coupling efficiency is the fraction of energy radiated k !g%vx
by the source that couples into the receiver. This is the 2:1
kSR^Ky
product of the system and receiver efficiencies. R] d934s
e8)8QmB{o
The maximum efficiency is the coupling efficiency if there cM=_i{c
were no aberrations. KP
gzB^>
]QF*\2b-I2
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. Fw%S%*B8g
耦合效率的计算有一个积分过程,还是比较复杂的.
