The acousto optic device includes {TAIL ~ a substrate} on which {HEAD ~ a SAW guide} for guiding a surface acoustic wave and an optical waveguide for guiding an optical wave are provided 
on
The acousto optic device includes { TAIL ~ a substrate } on which { HEAD ~ a SAW guide } for guiding a surface acoustic wave and an optical waveguide for guiding an optical wave are provided
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH