Fig. 2. (Color online) Optical and microwave distribution images of ITO glasses having an electrical crack with different length: (A) Optical image of ITO glass having 3 mm length crack. (B) Microwave distribution image of an ITO glass having 3 mm length crack. The applied microwave frequency and power were 14 GHz and 30 dBm. (C) Optical image of an ITO glass having 5 mm length crack. (D) Microwave distribution image of an ITO glass having 5 mm length crack. The applied microwave frequency and power were 12 GHz and 30 dBm. (E) Optical image of an ITO glass having 10 mm length crack. (F) Microwave distribution image of an ITO glass having 10 mm length crack. The applied microwave frequency and power were 6 GHz and 30 dBm.
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