SHAPED ILLUMINATION GEOMETRY AND INTENSITY USING A DIFFRACTIVE OPTICAL ELEMENT
First Claim
Patent Images
1. An apparatus for illuminating a target, comprising:
- a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target.
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Accused Products
Abstract
A method and apparatus to illuminate a target. The apparatus can comprise a first lens configured to receive light from the light source, a diffractive optical element configured to receive the light from the first lens and to regulate the light into regulated light, and second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target.
50 Citations
68 Claims
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1. An apparatus for illuminating a target, comprising:
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a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target. - View Dependent Claims (3, 4, 5, 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, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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2. An apparatus for illuminating a target, comprising:
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a light source chosen from at least one of a laser, an electroluminescent light source, an incandescent light source, an arc lamp, and a light emitting diode;
a first lens configured to receive light from the light source;
a diffractive optical element configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target. - View Dependent Claims (6)
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54. An apparatus for illuminating a target, comprising:
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a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target, wherein the target comprises microwells.
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55. An apparatus for illuminating a target, comprising:
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a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target, wherein the target comprises chemically functionalized beads.
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56. An apparatus for illuminating a target, comprising:
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a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target, wherein the target comprises a target array.
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57. An apparatus to perform an assay on a sample, comprising:
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a target configured to receive the sample;
a light source;
a first lens configured to receive light from the light source;
a diffractive diffuser configured to receive the light from the first lens, and to regulate the light into regulated light; and
a second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target. - View Dependent Claims (58, 59)
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60. An apparatus to perform an assay on a sample, comprising:
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a target configured to receive the sample;
a light source;
a first lens configured to receive light from the light source; and
a diffractive diffuser configured to receive the light from the first lens, to regulate the light into regulated light, and to direct the regulated light onto a selected area of the target. - View Dependent Claims (61, 62)
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63. A method to provide illumination of a target, comprising:
- generating light from a light source;
directing the light with a first lens to a diffractive diffuser;
generating regulated light with the diffractive diffuser; and
focusing the regulated light with a second lens onto a selected area of the target.
- generating light from a light source;
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64. A method to produce an optical response, comprising generating light from a light source;
- directing the light with a first lens to a diffractive diffuser;
generating regulated light with the diffractive diffuser; and
focusing the regulated light with a second lens onto a selected area of a target, wherein the selected area comprises at least one optically active species. - View Dependent Claims (65)
- directing the light with a first lens to a diffractive diffuser;
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66. A method to provide illumination of a target, comprising:
- generating light from a light source chosen from at least one of a laser, an incandescent light source, a fluorescent light source, an arc lamp, and a light emitting diode;
directing the light with a first lens to a diffractive optical element;
generating regulated light with the diffractive optical element; and
focusing the regulated light with a second lens onto a selected area of the target.
- generating light from a light source chosen from at least one of a laser, an incandescent light source, a fluorescent light source, an arc lamp, and a light emitting diode;
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67. An analysis method, comprising generating light from a light source;
- directing the light with a first lens to a diffractive diffuser;
generating regulated light with the diffractive diffuser;
delivering the regulated light onto a selected area of a target, said target comprising at least one optically active species; and
detecting changes in an optical signature of the at least one optically active species. - View Dependent Claims (68)
- directing the light with a first lens to a diffractive diffuser;
Specification