1
31kviews
What is V number? What is its significance. Distinguish between single mode and multimode fiber?

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Low.

1 Answer
2
1.0kviews

An optical fiber is characterized by one more important parameter known as V number more commonly called as normalizes frequency. It is expressed as: -

V=  (2πa/λ) N.A   a is radius of core

It signifies the no of modes propagated in the fiber.

V < 2.405, the fiber can support …

Create a free account to keep reading this post.

and 3 others joined a min ago.

Please log in to add an answer.