Holographic imaging systems with DC balance
US8411339B2 · kind B2 · utility
1Cited by
9References
15Claims
0Family size
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Inventor
Key dates
| Filing date | Nov 23, 2011 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Nov 23, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A holographic imaging system includes an electrical addressable spatial light modulator (EASLM) and an optically addressable spatial light modulator (OASLM). A read light is configured to illuminate the OASLM, and a controller is configured to address the EASLM with both positive and negative sub-images and transmit the positive and negative sub-images to the OASLM. The controller is further configured to address the OASLM with an operating voltage, wherein the read light generates a holographic image comprised of diffraction patterns from the positive and negative sub-images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.