Could you please describe your application: ]86U-`p
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... *b> ~L
2, is the fiber single mode or multimode? what is the NA, core dia,... )s!x)< d;
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Generally, fiber coupling efficiency of 40%~90% is reasonable. *r%=p/oQ}B
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Again let us know your specific bug. -\>Xtix^-c
NKRNEq!
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