1.

The minute perturbations and impurities in the fiber drawing process using preform technique can result in very high losses of

A. between 500 and 1000 db/km
B. between 100 and 300 db/km
C. between 1200 and 1600 db/km
D. more than 2000 db/km
Answer» B. between 100 and 300 db/km


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