Protected Aluminum (PAL)
Protected Aluminum is the most commonly used metal coating for less demanding, general purpose applications. As a front surface reflector, aluminum is overcoated with one of several transmissive materials, depending on the wavelength region of interest. As a back surface reflector, aluminum is overcoated with a black epoxy paint. Protected aluminum is not sensitive to wavelength, angle of incidence and polarization, so it useful for a wide range of low power monochromatic and polychromatic applications. Durability meets MIL SPEC requirements. |
Protected Aluminum coating sample reflectance curve for UV reflectance
Protected Aluminum coating sample reflectance curve for VIS/NIR reflectance
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