国际光学工程学会
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作者:Yuting Yang , Gongli Xiao , Hongyan Yang ...
来源:[C].Other Conferences2019SPIE
摘要:The plasmonic color filter with a suitable bandwidth, high transmittance is usually regarded as an essential optical element for a variety of utilization. Here, we propose an ultra-thin plasmonic color filter based on a substrate free dielectric film waveguide composed of two siz...
作者:Wenchao Zhang , Lijing Li , Wen Chen
来源:[C].Other Conferences2019SPIE
摘要:Optical waveguide phased array can realize high-speed beam scanning without mechanical deflection, which is a research hotspot of new system LiDAR. Limited by the manufacturing error of the device, the theoretical value of the modulation phase cannot achieve precise beam ste...
作者:Hong Gao , Xueguang Qiao , Qinpeng Liu ...
来源:[C].Other Conferences2019SPIE
摘要:Resonance frequency calculation of accelerometer based on equal strength cantilever beam by Rayleigh method has been proposed and experimentally demonstrated. The accelerometer is with a compact structure in which a short section of fiber stubs containing a fiber Bragg grating (F...
作者:Lanjian Chen , Rui Song , Jing Hou
来源:[C].Other Conferences2019SPIE
摘要:Supercontinuum (SC) generated in random fiber laser (RFL) containing visible spectrum components is firstly demonstrated. Mechanism of visible components generation in this case is analyzed and discussed. The experimental setup of this SC source is constructed in a typical half-o...
作者:Canlin Zhou , Shuchun Si , XiaoLei Li ...
来源:[C].Other Conferences2019SPIE
摘要:Digital holography is a powerful tool for noncontact quantitative phase imaging. According to the relative incident angle between the object beam and the reference beam, digital holography is grouped into on-axis and off-axis digital holography, The measurable area is narrow in o...
作者:Kai Yang , Zhi Ling , Jinlong Li ...
来源:[C].Other Conferences2019SPIE
摘要:The use of spatial coding schemes is always a research hotspot of structural light 3D reconstruction. Spatial coding only needs one frame of image to reshape the three-dimensional feature of the object. However, it is difficult to obtain higher resolution due to fewer feature poi...
作者:Jin Shen , Weiquan Zhang , Guibin Zan ...
来源:[C].Other Conferences2019SPIE
摘要:X-ray sources are widely used in non-destructive testing applications. The focal spot shape and size of an X-ray source are important factors that influence the resolution and contrast of images. A monochromatic imaging method using a spherically bent crystal is proposed to ...
作者:Can Shi , Min Zhang , Dahai Han ...
来源:[C].Other Conferences2019SPIE
摘要:We propose a Visible light positioning (VLP) system which can satisfy the requirements in the places where monitors are required to grasp the location of multiple people or vehicles, such as unmanned supermarkets, warehouses, factories, and other large buildings with safety ...
作者:Huang Xiechen , Jiang Yun Wang , Cui Ma ...
来源:[C].Other Conferences2019SPIE
摘要:This paper introduces a new portable platelet aggregation instrument based on optical transmittance measurement. The platelet-rich plasma is aggregated after adding trapping agent and leads to a transmittance enhancement. By analyzing the transmittance evolution curve, the platel...
作者:Rui Mao , Qi Zhang , Xiangjun Xin ...
来源:[C].Other Conferences2019SPIE
摘要:A modulation format identification (MFI) scheme based on orthogonal coding scheme is proposed to solve the modulation format identification problem in wavelength division multiplexing (WDM) systems. The scheme uses sidebands to carry orthogonally encoded modulation format informa...

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