Few Mode Fiber
I designed Few Mode fiber through Optifiber and i calculated the resulting modes and they were 4 modes LP01,LP02,LP11 and LP21
then i generated “.dat” to use it in optisystem But when i tested the designed fiber in optisystem using (spatial CW laser , Measured index multimode fiber and spatial visualizer),The spatial visualizer is given only two modes LP01 and LP02.
Can anyone help me to know where the problem?
Also the LP11 is two modes LP11a and LP11b can i use the two generated modes?
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