Could you please describe your application: MK1#^9Zr
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... `%^w-'
2, is the fiber single mode or multimode? what is the NA, core dia,... ;<mcvm
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Generally, fiber coupling efficiency of 40%~90% is reasonable. ~d3@x\I?
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Again let us know your specific bug. cNN0-<#c
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