Question #119250

A delay difference of ‘x’ns between the slowest and fastest fiber with a core refractive index of 1.5 and refractive index difference of 2%. Estimate the following

The length of the optical fiber link

RMS pulse broadening due to intermodal dispersion link

Bandwidth –length product for the maximum bit rate.

The length of the optical fiber link

RMS pulse broadening due to intermodal dispersion link

Bandwidth –length product for the maximum bit rate.

Expert's answer

The delay difference is

where *L *is the length of the optical link, therefore, if

if *x* is measured in nanoseconds.

Find the RMS pulse broadening due to intermodal dispersion link:

Prior to find the bandwidth-length product, calculate the maximum bit rate:

The bandwidth-length product is

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