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Photonic Band Gap materials (PBG) are important optical device structures for which NSOM is a critical characterizing tool.
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20x20um AFM image of the PBG crystal. Tapping mode with 40kHz resonance frequency. Boxed region imaged to the right in an 8x8um scan.
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8x8um AFM image of the boxed region in the 20x20um image to the left.
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3.1x3.1um image of the boxed region in the 8x8um image above. |
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