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US 2025/0093015 A1Published application
Source-matched diffuser for low speckle illumination
AssigneeViavi Solutions Inc.
InventorTasso R. M. SALES
Life of this patent
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Abstract
A diffuser is disclosed. A system comprising a light source and a diffuser is disclosed. The light source is aligned with a microlens of the diffuser in a static configuration. A method of reducing speckle with the system is also disclosed.
Claims19
A diffuser comprising:
- a random distribution of microlenses, wherein each microlens includes a scattering unit and a boundary shape,
- wherein the random distribution of microlenses includes a randomized distribution of the boundary shapes;
- and
- wherein each scattering unit is randomly distributed across a surface of the diffuser at different scales.
1 more element
A system comprising:
- a plurality of light sources;
- and
- a diffuser comprising a distribution of microlenses;
- wherein each light source of the plurality of light sources is aligned with a single microlens of the diffuser, and
- wherein the system is in a static configuration.
2 more elements
A method of using a system, comprising:
- emitting light from a plurality of light sources, wherein each light source of the plurality of light sources is aligned with a single corresponding microlens of a plurality of microlenses of a diffuser;
- and
- receiving the emitted light from a single light source of the plurality of light sources in the corresponding microlens of the plurality of microlenses of the diffuser;
- wherein the system is in a static configuration.
1 more element
Dependencies are inferred from the claim text.