Could you please describe your application: #I0FWZ>W
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... #TR!x,Hc
2, is the fiber single mode or multimode? what is the NA, core dia,... sfw*_}y
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Generally, fiber coupling efficiency of 40%~90% is reasonable. =CD6x=
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Again let us know your specific bug. :6t73\O
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