By an accurate theoretical analysis, an equivalent point is found where the
filtered optic wave lengths of the two acoustic-optic reactions of “e
in o out” and “o in e out” are the same with
the same acoustic frequency. Two cases of δ=0 and δ≠0
are discussed and compared. The merits of the equivalent point is discussed in
different points of view. The discussions conclude that the parameters set
around the equivalent point leading to the optimum designing.
© 1999 Optical Society of America
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