LED based indoor visible light communications: State of the art

D Karunatilaka, F Zafar, V Kalavally… - … surveys & tutorials, 2015 - ieeexplore.ieee.org
Visible Light Communication (VLC) is an emerging field in Optical Wireless Communication
(OWC) which utilizes the superior modulation bandwidth of Light Emitting Diodes (LEDs) to …

Phase control algorithms for focusing light through turbid media

IM Vellekoop, AP Mosk - Optics communications, 2008 - Elsevier
Light propagation in materials with microscopic inhomogeneities is affected by scattering. In
scattering materials, such as powders, disordered metamaterials or biological tissue …

Li-Fi: Light fidelity-a survey

X Bao, G Yu, J Dai, X Zhu - Wireless Networks, 2015 - Springer
Visible light communication (VLC), which uses a vast unregulated and free light spectrum,
has emerged to be a viable solution to overcome the spectrum crisis of radio frequency …

[PDF][PDF] 高精度纯相位液晶空间光调制器的研究

刘永军, 宣丽, 胡立发, 曹召良, 李大禹, 穆全全… - 光学学报, 2005 - researching.cn
研制了平行排列液晶空间光调制器(LCSLM). 论述了平行排列液晶相位调制的理论,
进行了计算模拟. 对液晶空间光调制器相位调制特性和振幅调制特性进行了测量, 实验结果表明 …

Spatial light modulators with changeable phase masks for use in holographic data storage

MA Handschy, MJ O'callaghan - US Patent 7,733,557, 2010 - Google Patents
(57) A holographic data storage system that includes a write head that includes a pixellated
spatial light modulator and a sepa rate or integral phase mask that varies the phase …

Modeling the spatial shape of nondiffracting beams: Experimental generation of Frozen Waves via holographic method

TA Vieira, M Zamboni-Rached, MRR Gesualdi - Optics Communications, 2014 - Elsevier
In this paper we experimentally implement the spatial shape modeling of nondiffracting
optical beams via computer generated holograms reconstructed optically by spatial light …

Binary-phase spatial light filters for mode-selective excitation of multimode fibers

G Stepniak, L Maksymiuk… - Journal of lightwave …, 2011 - ieeexplore.ieee.org
In this paper, spatial light modulation is proposed to increase the transmission capacity of
graded-index multimode fibers. In the method, selected linearly polarized eigenmodes of the …

Wireless visible light communication technology using optical beamforming

SM Kim, SM Kim - Optical Engineering, 2013 - spiedigitallibrary.org
We propose and demonstrate a new wireless visible light communication (VLC) technology
using optical beamforming to improve signal-to-noise ratio (SNR) and transmission distance …

Visible light communication using TDMA optical beamforming

SM Kim, MW Baek, SH Nahm - EURASIP Journal on Wireless …, 2017 - Springer
Optical beamforming is a technique to focus light-emitting diode (LED) light on a desired
target and has been used to improve the performance of visible light communications (VLC) …

Wireless optical energy transmission using optical beamforming

SM Kim, SM Kim - Optical Engineering, 2013 - spiedigitallibrary.org
We propose and demonstrate a wireless optical energy transmission using optical
beamforming with a spatial light modulator. We demonstrate an optical beamforming …