Could you please describe your application: !ox &`
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... T{uktIO/
2, is the fiber single mode or multimode? what is the NA, core dia,... tH_#q"@)
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Generally, fiber coupling efficiency of 40%~90% is reasonable. u`bWn
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Again let us know your specific bug. 3M%EK2 ,
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