Optical element having minute periodic structure
First Claim
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1. An optical element comprising:
- a base member; and
a resin layer which is formed on the base member and has a linear expansion coefficient different from a linear expansion coefficient of the base member, wherein the resin layer has a minute periodic structure which has a period smaller than a wavelength of incident light on the optical element.
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Abstract
An optical element is disclosed which is resistant to changes in environmental characteristics such as temperature and humidity and achieves a stable and favorable reflection suppressing effect. The optical element has a base member and a resin layer which is formed on the base member and has a linear expansion coefficient different from that of the base member. The resin layer has a minute periodic structure which has a period smaller than the wavelength of incident light on the optical element.
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Citations
12 Claims
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1. An optical element comprising:
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a base member; and
a resin layer which is formed on the base member and has a linear expansion coefficient different from a linear expansion coefficient of the base member, wherein the resin layer has a minute periodic structure which has a period smaller than a wavelength of incident light on the optical element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification