Could you please describe your application: 6Sb'Otw.
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... Iwt2}E(e
2, is the fiber single mode or multimode? what is the NA, core dia,... V1`5D7Z
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Generally, fiber coupling efficiency of 40%~90% is reasonable. P\X=*
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Again let us know your specific bug. < k+fKl
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