Antireflection film and optical element having the same

Details Antireflection film and optical element having the same Antireflection film and optical element having the same

2006-04-25

2006-04-25

Nguyen, Thong Q (Department: 2872)

Optical: systems and elements

Having significant infrared or ultraviolet property

Multilayer filter or multilayer reflector

C359S587000, C359S586000

Reexamination Certificate

active

07035000

ABSTRACT:
An antireflection film includes alternately deposited high-refractive-index layers and low-refractive-index layers. The refractive indexes and extinction coefficients of the layers are such that the antireflection film exhibits sufficient antireflection characteristics even if the geometrical thickness thereof is small. An optical element having the antireflection film on a substrate exhibits high transmittance and has excellent optical characteristics.

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