Could you please describe your application: RSfB9)3D
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... DT;n)7+,
2, is the fiber single mode or multimode? what is the NA, core dia,... s9# WkDR
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Generally, fiber coupling efficiency of 40%~90% is reasonable. !
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Again let us know your specific bug. 1tZ7%0R\g]
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