Optical Communication Practice Test 2

1. In single mode fibers, which is the most beneficial index profile?

2. A polarization maintaining fiber operates at a wavelength 1.2μm and have a modal birefringence of 1.8*10^-3. Calculate the period of perturbation.

3. The fibers mostly not used nowadays for optical fiber communication system are ___________

4. The optical source used for detection of optical signal is ____________

5. Which statistics are used for calculations of strengths of optical fibers?

6. 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.

7. A measure of amount of optical fiber emitted from source that can be coupled into a fiber is termed as ______________

8. Which materials are unsuitable for the fabrication of graded index fiber?

9. P₂O₅ is used as a _____________

10. Multimode step index fiber has a large core diameter of range is ___________