OPTICAL FILTER

Abstract: an optical filter includes: a substrate, an antireflection layer including a dielectric multilayer film laminated on one main surface side of the substrate, and an antireflection layer including a dielectric multilayer film laminated on the other main surface side of the substrate. the substrate includes a near-infrared ray absorbing glass and a resin film, the resin film includes a resin, a uv dye having a maximum absorption wavelength in 350 nm to 410 nm in the resin, and an ir dye having a maximum absorption wavelength in 700 nm to 850 nm in the resin, and the optical filter satisfies all of the characteristics (i-1) to (i-7).

Inventor(s): Yuichiro ORITA, Kazuhiko SHIONO, Takashi NAGATA, Takahiro SAKAGAMI

CPC Classification: G02B5/208 (Filters (polarising elements ))

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