Although the above described three dimensional structure may preferably be used as {HEAD ~ an optical coupler} in {TAIL ~ the manner} described in FIG 5, it will be apparent such devices may be shaped to serve as waveguides, and may provide curved as well as linear structures and connections, since the process described hereinabove may be used to fabricate structures of arbitrary shape 
in
Although the above described three dimensional structure may preferably be used as { HEAD ~ an optical coupler } in { TAIL ~ the manner } described in FIG 5 , it will be apparent such devices may be shaped to serve as waveguides , and may provide curved as well as linear structures and connections , since the process described hereinabove may be used to fabricate structures of arbitrary shape
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH