Could you please describe your application: u#9 H
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... uE {r09^q\
2, is the fiber single mode or multimode? what is the NA, core dia,... Z$qLY<aV
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Generally, fiber coupling efficiency of 40%~90% is reasonable. >bQ'*!
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Again let us know your specific bug. HRX}r$
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