Relative limitations of increasing the number of modulation levels in computer generated holography
Phase and amplitude spatial light modulators (SLMs) capable of both binary and multi-level modulation are widely available and offer a wide range of technologies to choose from for holographic applications. While the replay fields generated with multi-level phase-only SLMs are of a significantly hig...
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24-08-2020
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| Abstract | Phase and amplitude spatial light modulators (SLMs) capable of both binary
and multi-level modulation are widely available and offer a wide range of
technologies to choose from for holographic applications. While the replay
fields generated with multi-level phase-only SLMs are of a significantly higher
quality than those generated by equivalent binary phase-only SLMs, evidence is
presented in this letter that this improvement is not as marked for amplitude
SLMs, where multi-level devices offer only a small benefit over their binary
counterparts. Heuristic and numerical justifications for this are discussed and
conclusions drawn. |
|---|---|
| AbstractList | Phase and amplitude spatial light modulators (SLMs) capable of both binary
and multi-level modulation are widely available and offer a wide range of
technologies to choose from for holographic applications. While the replay
fields generated with multi-level phase-only SLMs are of a significantly higher
quality than those generated by equivalent binary phase-only SLMs, evidence is
presented in this letter that this improvement is not as marked for amplitude
SLMs, where multi-level devices offer only a small benefit over their binary
counterparts. Heuristic and numerical justifications for this are discussed and
conclusions drawn. |
| Author | Christopher, Peter J Wilkinson, Timothy D |
| Author_xml | – sequence: 1 givenname: Peter J surname: Christopher fullname: Christopher, Peter J – sequence: 2 givenname: Timothy D surname: Wilkinson fullname: Wilkinson, Timothy D |
| BackLink | https://doi.org/10.1016/j.optcom.2020.125353$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.2008.11519$$DView paper in arXiv |
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| Snippet | Phase and amplitude spatial light modulators (SLMs) capable of both binary
and multi-level modulation are widely available and offer a wide range of... |
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| SubjectTerms | Physics - Optics |
| Title | Relative limitations of increasing the number of modulation levels in computer generated holography |
| URI | https://arxiv.org/abs/2008.11519 |
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