Could you please describe your application: 2x&mJ}o#k
1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... 'Ijjk`d&c
2, is the fiber single mode or multimode? what is the NA, core dia,... RzLbPSTQ
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Generally, fiber coupling efficiency of 40%~90% is reasonable. _,;|,
Up kw.`D`
Again let us know your specific bug. r(QjVLjj`k
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