A single mode fiber has a zero dispersion wavelength of 1.21 m and a d – McqOptions

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1.	A single mode fiber has a zero dispersion wavelength of 1.21 m and a dispersion slope of 0.08 psnm^-2km^-1. What is the total first order dispersion at wavelength 1.26 m.
A.	-2.8psnm<sup>-1</sup> km<sup>-1</sup>
B.	-3.76psnm<sup>-1</sup> km<sup>-1</sup>
C.	-1.2psnm<sup>-1</sup> km<sup>-1</sup>
D.	2.4psnm<sup>-1</sup> km<sup>-1</sup>
Answer» C. -1.2psnm<sup>-1</sup> km<sup>-1</sup>

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