4.2. The Fresnel reflection at a butt joint with an air gap in a multimode step index fiber is 0.46 dB. Determine the refractive index of the fiber core. Ans. 1.59

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4.2. The Fresnel reflection at a butt joint with an air gap in a multimode step index
fiber is 0.46 dB. Determine the refractive index of the fiber core.
Ans. 1.59
Transcribed Image Text:4.2. The Fresnel reflection at a butt joint with an air gap in a multimode step index fiber is 0.46 dB. Determine the refractive index of the fiber core. Ans. 1.59
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