Could you please describe your application: jtS-nQ|
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... gJ \CT'/
2, is the fiber single mode or multimode? what is the NA, core dia,... o:oQF[TcFO
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 7T[Kjn^{Oj
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Again let us know your specific bug. {|!>
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