Could you please describe your application: r<ww%2HTS
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... p/(Z2N"
2, is the fiber single mode or multimode? what is the NA, core dia,... U*~-\jN1pb
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Generally, fiber coupling efficiency of 40%~90% is reasonable. RTh=x.
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Again let us know your specific bug. )G)6D"5,+G
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