11. A single mode fiber has refractive indices n1=1.50, n2 = 2.23, core diameter of 8μm, wavelength = 1.5μm cutoff wavelength = 1.214μm. Find the radius of curvature?
12. 0.4 dB/km, 1.4μm, 6μm, 550MHz. Find threshold optical power for stimulated Raman scattering.
13. A single mode fiber has a zero dispersion wavelength of 1.21μm and a dispersion slope of 0.08 psnm-2km-1. What is the total first order dispersion at wavelength 1.26μm.
14. Linear scattering effects are . . . . . . . . in nature.
15. For many applications that involve optical fiber transmission, an intensity modulation optical source is not required.
16. Which equation is used to calculate MFD?
17. . . . . . . . . results from a case of nonlinear dispersion compensation in which the nonlinear dispersion compensation in which the nonlinear chirp caused by self-phase modulation balances, postpones, the temporal broadening induced by group velocity delay.
18. When λ is the optical wavelength in vacuum, k is given by $$k = \frac{{2\pi }}{\lambda }.$$ What does k stand for in the
19. An alternative modification of the dispersion characteristics of single mode fibers involves achievement of low dispersion gap over the low-loss wavelength region between . . . . . . . .
20. Digital transmission is more likely to be affected by modal noise.
Read More Section(Optical Communication)
Each Section contains maximum 100 MCQs question on Optical Communication. To get more questions visit other sections.