Laser Multi-Target Indication Technique Based on Liquid Crystal Optical Phased Array and Volume Holographic Grating

Zongqun, 闫宗群 Yan; Tao, 国涛 Guo; Jian, 吴健 Wu; Shun, 王顺 Wang; Gaopo, 贾高坡 Jia; Jianchang, 杨建昌 Yang

doi:10.3788/aos202040.0323001

光学学报

2020

DOI: 10.3788/aos202040.0323001

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Laser Multi-Target Indication Technique Based on Liquid Crystal Optical Phased Array and Volume Holographic Grating

闫宗群 Yan Zongqun¹,

国涛 Guo Tao²,

吴健 Wu Jian³

et al.

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Electro-optic high-speed optical beam shifting based on a lithium niobate tapered waveguide

Shang¹,

Chen²,

Zhan

et al. 2022

Opt. Express

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We propose an electro-optic on-chip beam shifting device based on gradient microstructured electrodes and an optical tapered waveguide fabricated using lithium niobate (LN). The distribution of refractive index variations of the optical waveguide can be electro-optically defined and tailored by the designed gradient microstructured electrodes, which directs the beam propagation and shifting. The length of the beam shifting device is 18 mm and the width of the waveguide is gradually increased from 8 μm to 80 μm. The functionality of the beam shifting device is experimentally demonstrated, and it is observed that it has an electro-optic tunability of 0.41 μm/V, and a high-speed response time of 19 ns (λ=1310 nm). This study can provide potential applications in optical switching and modulation, beam scanning and ranging, optical spatial communications, etc.

show abstract

Electro-optic high-speed optical beam shifting based on a lithium niobate tapered waveguide

Shang¹,

Chen²,

Zhan

et al. 2022

Opt. Express

View full text Add to dashboard Cite

show abstract

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Laser Multi-Target Indication Technique Based on Liquid Crystal Optical Phased Array and Volume Holographic Grating

Cited by 1 publication

References 0 publications

Electro-optic high-speed optical beam shifting based on a lithium niobate tapered waveguide

Electro-optic high-speed optical beam shifting based on a lithium niobate tapered waveguide

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