Could you please describe your application: _/ 5
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... <h|&7
2, is the fiber single mode or multimode? what is the NA, core dia,... {a2Gb
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Generally, fiber coupling efficiency of 40%~90% is reasonable. @5??`n
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Again let us know your specific bug. klc$n07
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