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07

2024-02

剑芯光电荣获2023姑苏创新创业领军人才奖

剑芯光电(苏州)有限公司，是一家致力于硅基液晶LCOS芯片的研发与制造的光电子企业，自公司成立以来一直秉持创新驱动的理念，为光通讯、激光加工、AR HUD等领域提供专业的定制解决方案。自公司成立以来，得到了江苏省产业技术研究院、苏州创投-苏州市产业技术研究院以及苏州工业园区领军创投的大力支持。

2024-02-07

剑芯光电荣获2023姑苏创新创业领军人才奖

29

2024-02

Phase flicker in liquid crystal on silicon devices

This paper reviews the phase flicker associated with the phase-only liquid crystal on silicon (LCOS) technology. The phase response of the LCOS device often fluctuates with the driving waveforms. Such phase flicker can cause detrimental effect in applications operating on either holographic or non-holographic principles. The origin of the phase flicker and its impact on the performances of various LCOS-based optical systems are explained. Methods to characterise the temporal response of the LCOS device will also be presented. The efforts to reduce the phase flicker in LCOS devices were reviewed. Perspectives on the future directions are also given.

2024-02-29

Phase flicker in liquid crystal on silicon devices

29

2024-02

High quality micro liquid crystal phase lenses for full resolution image steering in auto stereoscopic displays

The use of pixel-level tunable liquid crystal (LC) lenses to steer the images shown on a flat panel display in full resolution for auto stereoscopic applications was proposed. Micro lenticular LC lenses of different full widths ranging from 40 to 140 μm were designed and fabricated with laser patterned transparent ITO electrodes as narrow as 10 μm in width and two LC materials of high birefringence. Optical characterization of the lenses showed consistent parabolic phase profiles closely matched to that of ideal lenses. A proof-of-concept device with an array of tunable micro LC lenses each covers two sub-pixels of different colors was fabricated and applied on a standard computer monitor to confirm its capability of sub-pixel-level image steering.

2024-02-29

High quality micro liquid crystal phase lenses for full resolution image steering in auto stereoscopic displays

29

2024-02

Improvements of phase linearity and phase flicker of phase-only LCoS devices for holographic applications

Significant phase distortion corrections were achieved by optimizing the digital driving patterns of phase-only liquid crystal on silicon devices for digital holographic applications. Nearly perfect phase linearity and phase flicker of 0.09% over 256 addressed phase levels in respect to the total modulation range of 2𝜋 were realized, enabling a meaningful increase of phase levels from 8 bits (256 levels) to 9 bits (512 levels). Tests were carried out to evaluate the qualities of optically reconstructed holographic images with reduced phase flicker and optimized phase linearity, and an increase of 17.7% in the root-mean-square contrast was demonstrated.

2024-02-29

Improvements of phase linearity and phase flicker of phase-only LCoS devices for holographic applications
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