Could you please describe your application: L pq)TE#
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... 9Nps<+K
2, is the fiber single mode or multimode? what is the NA, core dia,... whYk"N
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Generally, fiber coupling efficiency of 40%~90% is reasonable. >|, <9z`D
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Again let us know your specific bug. ?%`Ph ?BZl
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