Directional coupler formation method
The method involves forming a directional coupler in a polymer by irradiating the latter with an ionising beam of given wavelength and dosage and using masking to obtain the required structure of a directional coupler having 2 parallel waveguide paths (W1,W2). Subsequent heat treatment of the polyme...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The method involves forming a directional coupler in a polymer by irradiating the latter with an ionising beam of given wavelength and dosage and using masking to obtain the required structure of a directional coupler having 2 parallel waveguide paths (W1,W2). Subsequent heat treatment of the polymer material for a given time interval is performed. POLYMERS - The directional coupler structure is formed in a polymer material, e.g. ply-methyl-meth-acrylate. |
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