Could you please describe your application: 3L
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1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... e3HF"v]2!
2, is the fiber single mode or multimode? what is the NA, core dia,... )_x8?:lv
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Generally, fiber coupling efficiency of 40%~90% is reasonable. 1s^$oi}
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Again let us know your specific bug. Gaw,1Ow!`2
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