Could you please describe your application: y,6kL2DM
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... 3la `S$c
2, is the fiber single mode or multimode? what is the NA, core dia,... d|9]E&;,
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Generally, fiber coupling efficiency of 40%~90% is reasonable. j+{cc: h"X
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Again let us know your specific bug. Fq5u%S
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