OPTICAL ELEMENT AND OPTICAL DEVICE
An optical element includes a holographic pinhole array. The holographic pinhole array includes a plurality of holographic pinhole grating sets. The holographic pinhole grating sets are configured to diffract light incident on the optical element into a plurality of light beams respectively. Each of...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An optical element includes a holographic pinhole array. The holographic pinhole array includes a plurality of holographic pinhole grating sets. The holographic pinhole grating sets are configured to diffract light incident on the optical element into a plurality of light beams respectively. Each of the light beams has a field of view. |
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