Photonic crystal device

G - Physics – 02 – B

Patent

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Details

G02B 1/02 (2006.01) B42D 15/00 (2006.01) B44F 1/12 (2006.01) C30B 29/58 (2006.01) C30B 29/68 (2006.01) G02B 1/04 (2006.01) G02B 6/122 (2006.01) G07D 7/12 (2006.01)

Patent

CA 2734739

A photonic crystal device comprising: a photonic crystal material having an initial ordered structure and a viewing surface, the initial ordered structure giving rise to a first optical effect detectable from the viewing surface; and a removal layer removably attached with the viewing surface or an opposing surface of the photonic crystal material opposite to the viewing surface; wherein mechanical removal of at least a portion of the removal layer results in a structural change in at least a portion of the initial ordered structure of at least a portion of the photonic crystal material respective to the portion of the removed removal layer, thereby resulting in a changed portion different from the initial ordered structure, the changed portion giving rise to a second optical effect detectable from the viewing surface and detectably different from the first optical effect.

Dispositif à cristaux photoniques comprenant: un matériau de cristaux photoniques qui présente une structure initiale ordonnée et une surface de visualisation donnant lieu à un premier effet optique depuis ladite surface; et une couche détachable fixée amovible sur la surface de visualisation ou sur une surface opposée au matériau de cristaux photoniques, le retrait d'au moins une partie de cette couche entraînant un changement structurel d'au moins une partie du matériau de cristaux photoniques par rapport à la partie de la couche déposable retirée, ce qui génère une partie modifiée différente de la structure ordonnée initiale. Cette partie modifiée donne lieu à un second effet optique détectable depuis la surface de visualisation et différent du premier effet optique.

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