Show that the group dispersion parameter, d 2 β/dÏ 2 , for a given mode in a
Question:
where Ïc is the radian cutoff frequency for the mode in question [note that the first derivative form was already found, resulting in Eq. (57)].
Eq. (57)
Transcribed Image Text:
d²B We\27-3/2 do? Ост sin Om ---=) 1 – Vgm ||
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