| 摘要 |
The interferometric modulator of the invention includes a transparent substrate (refractive index: n0) 12, an optical thin film (complex index of refraction: N1=n1-i.k1) 13 provided on the transparent substrate 12, and an absorber layer (complex index of refraction: Ns=ns-i.ks) 14 opposed to the optical thin film 13, the distance of a gap to the optical thin film 13 being variable, wherein the relation n1>n0, k1≅0 and ns>n0 is satisfied.
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