Physics · Optical Fibers
In optical fibers, regarding group velocity vg, group delay τg per unit length, dispersion parameter D, propagation constant β, and wavelength λ, the following statements are given: (A) 1vg = τg = −λ22πc dβdλ (B) vg = −λ22πc dβdλ (C) D = −2πcλ2 β2, where β2 = d2βdω2 (D) β2 = −2πcλ2 × D (E) Material dispersion is a function of wavelength (λ) Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(B), (D), (E) only
- 2(B), (C), (E) only
- 3(A), (E) only
- 4(A), (C), (E) only✓
Correct answer
(A), (C), (E) only
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