Could you please describe your application: fm[_@L%
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1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... &zO3qt6
2, is the fiber single mode or multimode? what is the NA, core dia,... C{8i7D
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Generally, fiber coupling efficiency of 40%~90% is reasonable. @< wYT$
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Again let us know your specific bug. =DGn,i9
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