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(a) Schematic illustration of the double coupling of evanescent waves and (b) simulated electromagnetic field intensity of the sample coated with the SiO2 layer.https://www.led-professional.com/media/technology_light-generation_successful-extraction-of-light-from-semiconductors-with-the-highest-efficiency_aist_evanescent_wave_coupling-jpg/viewhttps://www.led-professional.com/media/technology_light-generation_successful-extraction-of-light-from-semiconductors-with-the-highest-efficiency_aist_evanescent_wave_coupling-jpg/@@images/image-1200-c2463b19b6a4b308291a2df1f5995636.jpeg
(a) Schematic illustration of the double coupling of evanescent waves and (b) simulated electromagnetic field intensity of the sample coated with the SiO2 layer.