Could you please describe your application: :cK;|{f
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... T4{&@b
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2, is the fiber single mode or multimode? what is the NA, core dia,... VClw!bm
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 4c=oAL
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Again let us know your specific bug. u!DSyHR
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