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Fig. 9

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Structure composée d'un empilement multicouche avec explication de l'effet « miroir de Bragg » (d'après Yablonovitch, 2001). Onde incidente sur une structure 1D (a), avec réflexion en phase sur chaque interface (b) et onde résultante stationnaire ne se propageant pas dans la structure (c).

Structure consisting of a multilayer stack with explanation of the “Bragg mirror” effect (from Yablonovitch, 2001). Incident wave on a 1D structure (a). The reflected waves are in phase and reinforce one another (b). They combine with the incident wave to produce a standing wave (c) that does not travel through the material.

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