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Schematic diagram of the direct photofabrication of a MOW using photosensitive hybrimers. (a) Formation of the underclad layer through UV and thermal curing; (b) Spin coating of the core layer on the underclad layer; (c) Direct photofabrication of the large core structure in the core layer with a photo mask; and (d) Final formation of the overclad layer through UV and thermal curing.
(a) Optical micrograph and (b) scanning electron micrograph of a MOW including large core structure and under clad layer directly photofabricated using a photo mask.
(a) 3D NSOM image and (b) 2D NSOM line profile of the optical intensity representing the refractive index profile of the core area of a MOW.
(a) Light propagation near-field image and (b) propagation loss of the directly photofabricated MOW.
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