Could you please describe your application: <M
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1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... H|.cD)&eYy
2, is the fiber single mode or multimode? what is the NA, core dia,... 8t)?$j$
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Generally, fiber coupling efficiency of 40%~90% is reasonable. |3bCq(ZR\P
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Again let us know your specific bug. FxFRrRRH@
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