Q.1] A single-mode step index fiber with a core refractive index of 1.49 has a critical bending radius of 10.4 mm when illuminated with light at a wavelength of 1.30 µm. If the cutoff wavelength for the fiber is 1.15 µm calculate its relative refractive index difference. Ans. 0.47%

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Q.1] A single-mode step index fiber with a core refractive index of 1.49 has a
critical bending radius of 10.4 mm when illuminated with light at a wavelength
of 1.30 um. If the cutoff wavelength for the fiber is 1.15 µm calculate its
relative refractive index difference.
Ans. 0.47%
Transcribed Image Text:Q.1] A single-mode step index fiber with a core refractive index of 1.49 has a critical bending radius of 10.4 mm when illuminated with light at a wavelength of 1.30 um. If the cutoff wavelength for the fiber is 1.15 µm calculate its relative refractive index difference. Ans. 0.47%
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