Could you please describe your application: eKz?"g/j
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... \uq/x^?yo
2, is the fiber single mode or multimode? what is the NA, core dia,... Cc<,z*T
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Generally, fiber coupling efficiency of 40%~90% is reasonable. V$icWu
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Again let us know your specific bug. E+ tB&
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