Vectorial liquid-crystal holography

Wang, Ze-Yu; Zhou, Zhou; Zhang, Han; Wei, Yang; Yu, Hong-Guan; Hu, Wei; Chen, Wei; Dai, Hai-Tao; Ma, Ling-Ling; Qiu, Cheng-Wei; Lu, Yan-Qing

doi:10.1186/s43593-024-00061-x

Cited by 21 publications

(4 citation statements)

References 51 publications

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“…(3) Presently, OAM holographic images are pre-set and cannot achieve real-time arbitrary control. Therefore, the utilization of phase change materials 100,101 or liquid crystals 102 for engineering a metasurface could facilitate real-time phase modulation, paving the way for achieving dynamic OAM holography, an exciting prospect for future advancements.…”

Section: Discussionmentioning

confidence: 99%

Nanostructure-based orbital angular momentum encryption and multiplexing

Ouyang,

Du,

Zeng

et al. 2024

Nanoscale

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Section: Discussionmentioning

confidence: 99%

Nanostructure-based orbital angular momentum encryption and multiplexing

Ouyang,

Du,

Zeng

et al. 2024

Nanoscale

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“…Recently, a published pixelated single-layer LC (liquid crystal) device showed versatile and tunable vectorial holography [30]. Such LC devices, which can modulate intensity and phase on a pixel-by-pixel basis, increase the rate of signals transmitted on a single page.…”

Section: Discussionmentioning

confidence: 99%

The Designed Phase Mask for Suppressing the Inter-Pixel Crosstalk Noise in Intensity-Modulated Multilevel Holographic Data Storage Systems

Nonaka,

Hirayama,

Shimura

et al. 2024

Photonics

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Intensity-modulated signals have the advantage of being directly detectable by the image sensor but have the drawback that the signal quality is easily deteriorated by crosstalk noise, in contrast to phase-modulated signals. In order to suppress the crosstalk noise, we propose a new signal arrangement for multilevel intensity-modulated signals. The concept of our method is to reduce the number of adjacent pixels that are a source of inter-pixel crosstalk noise and to minimize intensity modulation owing to interference with crosstalk noise. We have numerically and experimentally demonstrated that our method can reduce the error rate and improve the recording density compared to the conventional signal arrangement. Our proposed method offers a promising solution for achieving higher recording densities in intensity-modulated holographic data storage systems.

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“…The amplitude and phase of the object can be numerically reconstructed. Holographic recording and playback of waves have been used in numerous applications, including biological sample analysis, material representation, and material structure analysis 2 , 3 .…”

Section: Introductionmentioning

confidence: 99%

Quantitative phase imaging based on holography: trends and new perspectives

Huang,

Cao

2024

Light Sci Appl

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In 1948, Dennis Gabor proposed the concept of holography, providing a pioneering solution to a quantitative description of the optical wavefront. After 75 years of development, holographic imaging has become a powerful tool for optical wavefront measurement and quantitative phase imaging. The emergence of this technology has given fresh energy to physics, biology, and materials science. Digital holography (DH) possesses the quantitative advantages of wide-field, non-contact, precise, and dynamic measurement capability for complex-waves. DH has unique capabilities for the propagation of optical fields by measuring light scattering with phase information. It offers quantitative visualization of the refractive index and thickness distribution of weak absorption samples, which plays a vital role in the pathophysiology of various diseases and the characterization of various materials. It provides a possibility to bridge the gap between the imaging and scattering disciplines. The propagation of wavefront is described by the complex amplitude. The complex-value in the complex-domain is reconstructed from the intensity-value measurement by camera in the real-domain. Here, we regard the process of holographic recording and reconstruction as a transformation between complex-domain and real-domain, and discuss the mathematics and physical principles of reconstruction. We review the DH in underlying principles, technical approaches, and the breadth of applications. We conclude with emerging challenges and opportunities based on combining holographic imaging with other methodologies that expand the scope and utility of holographic imaging even further. The multidisciplinary nature brings technology and application experts together in label-free cell biology, analytical chemistry, clinical sciences, wavefront sensing, and semiconductor production.

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Vectorial liquid-crystal holography

Cited by 21 publications

References 51 publications

Nanostructure-based orbital angular momentum encryption and multiplexing

Nanostructure-based orbital angular momentum encryption and multiplexing

The Designed Phase Mask for Suppressing the Inter-Pixel Crosstalk Noise in Intensity-Modulated Multilevel Holographic Data Storage Systems

Quantitative phase imaging based on holography: trends and new perspectives

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