G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/37 (2006.01) G02F 1/377 (2006.01)
Patent
CA 2085759
ABSTRACT OF THE DISCLOSURE In an optically non-linear (NLO) polymeric material a frequency doubling structure composed of alternatingly poled NLO polymer is made. This structure can be made by forming a layer of NLO polymer, effecting poling in it with the use of an electric field, partially removing the layer of NLO polymer by etching, such that in the polymer a grating structure is formed composed of etched grooves and projecting polymer parts, the width of the grooves matching that of the polymer parts, dividing the polymer layer containing the grating structure into at least two sections, and placing the two sections one on top of the other, such that grooves of the one section are back-filled by projecting polymer parts of the other section. To prevent the enclosure of air a filler may be added, preferably in the form of a solution of the NLO polymer.
Horsthuis Winfried Henri Gerard
Moehlmann Gustaaf Ronald
Akzo N.v.
Marks & Clerk
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