Could you please describe your application: 8vVE
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... w1G(s$;C
2, is the fiber single mode or multimode? what is the NA, core dia,... dQ8RrD=$&
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 5e+j51
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Again let us know your specific bug. 9InP2u\&:
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