Fabrication of two-dimensional organic photonic crystal filter
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A high quality two-dimensional photonic crystal filter made of polystyrene is fabricated by the method of focused ion beam etching. Scanning electron microscopy (SEM) and transmittance spectrum are used to characterize the properties of photonic crystal filter. The measured transmittance spectrum is in agreement with the theoretical one. It is found that the filtering properties of photonic crystal filter, including the position and quality factor of optical channel, can be tuned by adjusting the width of line defect.
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