| 摘要 |
PROBLEM TO BE SOLVED: To provide an inorganic polarizing plate which, even when used wavelength bands are different, can reduce reflectance by using a common structure, making it possible to achieve a desired light extinction ratio.SOLUTION: An inorganic polarizing plate has: a substrate 2 that is transparent to light in a used bandwidth; a reflective layer 3 that comprises grids formed on one surface of the substrate 2 with a pitch smaller than wavelength of light in the used bandwidth; a dielectric layer 4 that is stacked on the reflective layer 3; and an absorbing layer 5 containing FeSi fine particles.SELECTED DRAWING: Figure 1 |
