| http://www.w3.org/ns/prov#value | - The light absorption layer has a thickness d1 in a range of 0.1 ??/(n1???k1)???d1???1.0 ??/(n1???k1), where ?? is a wavelength of the light beams, and n1 and k1 are a refractive index and an extinction coefficient, respectively, of the light absorption layer at the wavelength ??.
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