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Unformatted text preview: v p in m/sec , the group velocity index N g , the group velocity v g in m/sec , and the disperi-son parameter D in ps/km/nm for this material at a freespace wavelength of 1 . 5 μm . Express refractive indices accurately to ± . 00001, velocities accurately to within ±ve sig-ni±cant ±gures, and the dispersion parameter accurately to four signi±cant ±gures. Put your ±nal answers in the spaces provided below. n = v p = m/sec N g = v g = m/sec D = ps/km/nm...
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- Spring '08
- Wavelength, refractive index, Sellmeier equation