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Polarization and amplitude hybrid modulation of longitudinally polarized subwavelength-sized optical
[期刊论文] 作者:LijiaoGuo,ChangjunMin,ShibiaoWei,XiaocongYuan,
来源:ChineseOpticsLetters 年份:2013
We present a method of both polarization and amplitude modulations on an incident beam to obtain a longitudinally polarized subwavelength-sized optical needle. A 4-f system with a spatial light modulator is used to generate experimentally a......
[期刊论文] 作者:XianyouWang,YuquanZhang,YanmengDai,ChangjunMin,XiaocongYuan,
来源:PhotonicsResearch 年份:2018
Strong plasmonic focal spots, excited by radially polarized light on a smooth thin metallic film, have been widely applied to trap various micro- and nano-sized objects. However, the direct transmission part of the incident light leads to t......
[期刊论文] 作者:HoukaiChen,YuquanZhang,YanmengDai,ChangjunMin,SiweiZhu,XiaocongYuan,
来源:PhotonicsResearch 年份:2020
Tip-enhanced Raman scattering (TERS) spectroscopy is a nondestructive and label-free molecular detection approach that provides high sensitivity and nanoscale spatial resolution. Therefore, it has been used in a wide array of applications. ......
[期刊论文] 作者:YuquanZhang,XiujieDou,YanmengDai,XianyouWang,ChangjunMin,XiaocongYuan,
来源:PhotonicsResearch 年份:2018
Optical traps use focused laser beams to generate forces on targeted objects ranging in size from nanometers to micrometers. However, for their high coefficients of scattering and absorption, micrometer-sized metallic particles were deemed ......
[期刊论文] 作者:YuquanZhang,XiujieDou,YongYang,ChenXie,JingBu,ChangjunMin,andXiaocongYuan,
来源:ChineseOpticsLetters 年份:2017
Femtosecond (fs) cylindrical vector beams (CVBs) have found use in many applications in recent years. However, the existing rigid generation methods seriously limit its development. Here, we propose a flexible method for generating fs-CVBs ......
[期刊论文] 作者:WeiSong,ShanguangZheng,YananFu,ChangjunMin,YuquanZhang,ZhenweiXie,XiaocongYuan,
来源:ChineseOpticsLetters 年份:2019
Controlling both amplitude and phase of light in the subwavelength scale is a challenge for traditional optical devices. Here, we propose and numerically investigate a novel plasmonic meta-hologram, demonstrating broadband manipulation of b......
[期刊论文] 作者:YanmengDai,YuquanZhang,YoupengXie,DapengWang,XianyouWang,TingLei,ChangjunMin,XiaocongYuan,
来源:PhotonicsResearch 年份:2019
Polarization imaging finds applications in many areas, such as photoelasticity, ellipsometry, and biomedical imaging. A compact, snapshot, and high-efficiency imaging polarimeter is highly desirable for many applications. Here, based on a s......
[期刊论文] 作者:HoukaiChen,XiaojingWu,YuquanZhang,YongYang,ChangjunMin,SiweiZhu,XiaocongYuan,QiaoliangBao,JingBu,
来源:PhotonicsResearch 年份:2018
Because of the fingerprint-like specificity of its characteristic spectrogram, Raman spectral imaging has been applied widely in various research areas. Using a combination of structured illumination with the surface-enhanced Raman scatteri......
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