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1. |
Which_of_the_following_factors_does_not_cause_divergence_of_the_collimated_beam_from_a_GRIN-rod_lens?$ |
A. | Lens cut length |
B. | Size of fiber core |
C. | Refractive index profile |
D. | Chromatic aberration |
Answer» D. Chromatic aberration | |