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Conductive ITO Coated Window
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The shaded region in the plot represents the specified wavelength range for optimum performance.
Thorlabs’ Conductive Window is available with our standard -C (1050 - 1620 nm) broadband antireflection coating deposited on one surface and a conductive Indium Tin Oxide (ITO) coating on the other surface. ITO conductive glass windows can be used for EMI/RFI shielding or other electro-optical applications such as liquid crystals and solar cells. The ITO coating thickness was chosen to provide an excellent balance between the sheet resistance of 50 - 80 Ω/sq and optical performance. N-BK7 provides excellent transmission in the visible and near infrared portions of the spectrum.
R = Rs * (L/W)
Where L and W are the length and width of the window, respectively, and Rs is the sheet resistance. Sheet resistance is defined as ρ/t: the resistivity (Ω*m) divided by the thickness (m) of the conductive film. Under the specific geometry of a square, where L = W, the resistance of the conductive windows is equal to the sheet resistance regardless of size. Under this special case, the sheet resistance is given in units of Ω/sq (Ohms per square).
Please contact Tech Support for more sizes, thicknesses, and wavelength options.