Could you please describe your application: !z7j.u`Y
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... '<.@a"DnJ
2, is the fiber single mode or multimode? what is the NA, core dia,... CXr]V"X9
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 8R;)WlLu=
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Again let us know your specific bug. j~d<n_
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