INTEGRATED PHOTONICS MODULE FOR OPTICAL PROJECTION
First Claim
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1. Optical apparatus, comprising:
- a semiconductor substrate;
an edge-emitting radiation source, mounted on a surface of the substrate so as to emit optical radiation along an axis that is parallel to the surface;
a reflector, which is fixed to the substrate in a location on the axis and is configured to reflect the optical radiation in a direction that is angled away from the surface; and
one or more optical elements, which are mounted on the substrate so as to receive and transmit the optical radiation reflected by the reflector.
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Abstract
Optical apparatus includes a semiconductor substrate and an edge-emitting radiation source, mounted on a surface of the substrate so as to emit optical radiation along an axis that is parallel to the surface. A reflector is fixed to the substrate in a location on the axis and is configured to reflect the optical radiation in a direction that is angled away from the surface. One or more optical elements are mounted on the substrate so as to receive and transmit the optical radiation reflected by the reflector.
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Citations
32 Claims
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1. Optical apparatus, comprising:
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a semiconductor substrate; an edge-emitting radiation source, mounted on a surface of the substrate so as to emit optical radiation along an axis that is parallel to the surface; a reflector, which is fixed to the substrate in a location on the axis and is configured to reflect the optical radiation in a direction that is angled away from the surface; and one or more optical elements, which are mounted on the substrate so as to receive and transmit the optical radiation reflected by the reflector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. Optical apparatus, comprising:
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a semiconductor substrate; a first array of surface-emitting radiation sources, which are mounted on a surface of the substrate so as to emit optical radiation along respective axes that are perpendicular to the surface; and a second array of optical elements, which are mounted over the first array and aligned with the respective axes so that each optical element receives and transmits the optical radiation emitted by a respective radiation source.
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19. An imaging system, comprising:
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an illumination assembly, which is configured to project a pattern of optical radiation onto an object, and which comprises; a semiconductor substrate; at least one radiation source, mounted on a surface of the substrate so as to emit optical radiation along an axis; and optical elements, which are mounted on the substrate in alignment with the axis so as to receive and transmit the optical radiation toward the object; an imaging assembly, which is configured to capture an image of the pattern on the object; and a processor, which is configured to process the image so as to generate a depth map of the object.
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20. A method for producing a photonics module, comprising:
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mounting an edge-emitting radiation source on a surface of a semiconductor substrate so that the source emits optical radiation along an axis that is parallel to the surface; fixing a reflector to the substrate in a location on the axis so as to reflect the optical radiation is a direction that is angled away from the surface; and mounting one or more optical elements on the substrate so as to receive and transmit the optical radiation reflected by the reflector. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification