Regarding the present invention, a type of S bent line is not limited to circular arcs although {HEAD ~ a way} of arranging {TAIL ~ an optical waveguide} for an optical splitter of the present invention employing circular arcs will be explained below 
of arranging
Regarding the present invention , a type of S bent line is not limited to circular arcs although { HEAD ~ a way } of arranging { TAIL ~ an optical waveguide } for an optical splitter of the present invention employing circular arcs will be explained below
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH