Could you please describe your application: 1<uwU(
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... "2h5m4
2, is the fiber single mode or multimode? what is the NA, core dia,... ~eo^`4O{{
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Generally, fiber coupling efficiency of 40%~90% is reasonable. *1;23BiH-
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Again let us know your specific bug. ci7~KewJ*
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