Speckle pattern is generated due to interference of nodes from a coherent source especially when the coherence time of source is _________ the intermodal dispersion time in the fiber.
A. Less than
B. Greater than
C. Equal to
D. None of the above
Answer:B
Speckle pattern is generated due to interference of nodes from a coherent source especially when the coherence time of source is _________ the intermodal dispersion time in the fiber.
A. Less than B. Greater than C. Equal to D. None of the above