Optical retarders and methods of making the same
First Claim
Patent Images
1. An article, comprising:
- a first layer comprising spaced-apart rows of a first material, and a multilayer film adjacent the first layer, wherein the first layer and the multilayer film are each independently birefringent for light of a wavelength λ
propagating along an axis that intersects the first layer and the multilayer film, and λ
is in a range from about 150 nm to about 5,000 nm.
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Abstract
In certain aspects, the disclosure features an article that includes a first layer having spaced-apart rows of a first material, and a multilayer film adjacent the first layer. The first layer and the multilayer film are each independently birefringent for light of a wavelength λ propagating along an axis that intersects the first layer and the multilayer film, and λ is in a range from about 150 nm to about 5,000 nm.
79 Citations
43 Claims
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1. An article, comprising:
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a first layer comprising spaced-apart rows of a first material, and a multilayer film adjacent the first layer, wherein the first layer and the multilayer film are each independently birefringent for light of a wavelength λ
propagating along an axis that intersects the first layer and the multilayer film, and λ
is in a range from about 150 nm to about 5,000 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. An optical retarder, for light having a wavelength of about 5,000 nm or less, comprising:
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a form birefringent a-plate for radiation at a wavelength λ
; and
a form birefringent c-plate for radiation at λ
,wherein λ
is about 5,000 nm or less.
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41. A method, comprising:
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using atomic layer deposition to deposit a multilayer film on a surface of a substrate, wherein the multilayer film is a form birefringent c-plate for light having a wavelength λ and
λ
is in a range from about 150 nm to about 5,000 nm. - View Dependent Claims (42, 43)
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Specification