Could you please describe your application: u&j_;Y !6
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... ~T=a]V
2, is the fiber single mode or multimode? what is the NA, core dia,... 7#PQ1UWl
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 1#XZVp;M
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Again let us know your specific bug.
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