Na Rong
Shanghai Jiao Tong University
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Publication
Featured researches published by Na Rong.
Optics Express | 2015
Yachao Yuan; Yan Li; Chao Ping Chen; Shuxin Liu; Na Rong; Wei-Huan Li; Xiao Li; Pengcheng Zhou; Jiangang Lu; Ruili Liu; Yikai Su
In this paper, we demonstrate a holographic polymer-stabilized blue-phase liquid crystal grating fabricated using a visible laser. As blue phase is stabilized by the interfered light, polymer-concentration gradient is achieved simultaneously. With the application of a uniform vertical electric field, periodic index distribution is obtained due to polymer-concentration gradient. The grating exhibits several attractive features such as polarization-independency, a broad temperature range, sub-millisecond response, simple fabrication, and low cost, thus holding great potential for photonics applications.
IEEE\/OSA Journal of Display Technology | 2016
Xiao Li; Chao Ping Chen; Yan Li; Pengcheng Zhou; Xinhong Jiang; Na Rong; Shuxin Liu; Gufeng He; Jiangang Lu; Yikai Su
We demonstrate a real-time holographic display using quantum-dot doped liquid crystal with a build-up time of several to tens of milliseconds, and the maximum diffraction efficiency is measured up to 30%. Holographic videos of red, green, and blue colors at a refresh rate of 60 Hz are realized. The dependences of response time on the recording intensity, applied voltage, and grating period are investigated.
IEEE\/OSA Journal of Display Technology | 2016
Na Rong; Yan Li; Xiao Li; Pengcheng Zhou; Shuxin Liu; Jiangang Lu; Yikai Su
In this paper, we use a dynamic mask lithography system to fabricate a polymer-stabilized blue-phase Fresnel lens. Fresnel-zone patterned light is directly generated by a programmable spatial light modulator and then projected onto the blue phase precursor. As blue phase is cured, a Fresnel-zone refractive index distribution is achieved simultaneously. The fabricated Fresnel lens features polarization-insensitivity, a broad temperature range, submillisecond response and high spatial frequency. With easy fabrication and programmable flexibility, this method has great potential for various optical applications.
IEEE\/OSA Journal of Display Technology | 2016
Yan Li; Shuaijia Huang; Na Rong; Jiangang Lu; Chao Ping Chen; Xiao Li; Pengcheng Zhou; Yachao Yuan; Shuxin Liu; Gufeng He; Yikai Su
A double-layer in-plane-switching electrode design is proposed for transmissive and transflective blue-phase liquid crystal displays. The new design significantly reduces the operating voltage in transmissive display by 60%; in transflective displays where the bottom-layer electrodes are made of conductive reflectors, it increases transmittance to 98%, achieves single gamma driving and enhances sunlight readability.
Optics Express | 2016
Xiao Li; Yan Li; Ying Xiang; Na Rong; Pengcheng Zhou; Shuxin Liu; Jiangang Lu; Yikai Su
In this paper, we demonstrate a dynamic holographic display in a quantum dot (ZnS/InP) doped liquid crystal device, where one of the interior cell surfaces is covered by a ZnSe layer. Such a hybrid device shows substantially improved photorefractive sensitivity of 2.2 cm3/J, which is almost 300 times larger than that in ZnS/InP doped liquid crystal device without the ZnSe layer. The holographic grating can form at intensities as low as ~0.8 mW/cm2, and exhibit a fast optical response of several to tens of milliseconds. Exploiting the superior performances of photosensitivity and fast response of this device, we obtain dynamic holographic videos of red, green, and blue colors, as well as a reconstructed image of high gray-scale fidelity.
Journal of The Society for Information Display | 2016
Shuxin Liu; Yan Li; Pengcheng Zhou; Xiao Li; Na Rong; Shuaijia Huang; Wenqing Lu; Yikai Su
SID Symposium Digest of Technical Papers | 2014
Xiao Li; Chao Ping Chen; Yan Li; Wei Hu; Hongjing Li; Xinhong Jiang; Na Rong; Yachao Yuan; Jiangang Lu; Yikai Su
SID Symposium Digest of Technical Papers | 2016
Shuxin Liu; Yan Li; Xiao Li; Pengcheng Zhou; Na Rong; Yachao Yuan; Shuaijia Huang; Wenqing Lu; Yikai Su
SID Symposium Digest of Technical Papers | 2015
Yachao Yuan; Yan Li; Chao Ping Chen; Na Rong; Wei-Huan Li; Xiao Li; Wei Hu; Pengcheng Zhou; Jiangang Lu; Yikai Su
SID Symposium Digest of Technical Papers | 2015
Pengcheng Zhou; Yan Li; Chao Ping Chen; Xiao Li; Wei Hu; Na Rong; Yachao Yuan; Shuxin Liu; Yikai Su