Search Results - "Qian, Yixian"

Generation and manipulation of multi-twisted beams via azimuthal shift factors by Hu, Juntao, Lan, Yanping, Fan, Haihao, Ye, Wenni, Zeng, Peiqi, Qian, Yixian, Li, Xinzhong

“…We develop the effective experimental approach to generate multi-twisted beams (MTBs) with twisted intensity lobes by superimposing helical phases consisting…”
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A dynamically adjustable broadband terahertz absorber based on a vanadium dioxide hybrid metamaterial by Liu, Yongchen, Qian, Yixian, Hu, Fangrong, Jiang, Mingzhu, Zhang, Longhui

“…•A dynamically adjustable terahertz (THz) broadband absorber based on a vanadium dioxide (VO2) hybrid metamaterial is theoretically designed.•The absorber…”
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Manipulating self-focusing beams induced by high-dimensional parabolic umbilic beams by Sun, Zhuo, Hu, Juntao, Wang, Yishu, Ye, Wenni, Qian, Yixian

“…•A high-dimensional circular parabolic umbilic beams are generated by the diffraction catastrophe theory.•Due to the flexibility of high dimensionality,…”
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Caustics and wavefront of Swallowtail-Gauss catastrophe beams by Teng, Houan, Hu, Juntao, Cai, Yiming, Lan, Yanping, Qian, Yixian

“…We analytically derive the propagating wavefront form of Swallowtail-Gauss beams (SGBs), and we demonstrate the propagation characteristics of SGBs…”
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Generation of diffraction-free petallike beams based on stationary phase principle by Gong, Ning, Xu, Fuyang, Yang, Jingyu, Shi, Yile, Qian, Yixian, Ren, Zhijun

“…Lately, a kind of so-called “combined half-integer Bessel-like beams,” in which their subfamilies include radial carpet, petallike, and ringlike vortex beams,…”
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Accelerating Airy Beams Along Tunable Propagation Trajectories by Qian, Yixian, Dong, Liangwei, Mao, Hongxing

“…We present a simple and highly efficient approach to directly generate tunable Airy beams, which can propagate along arbitrary monotonic curves. Such beams are…”
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Generation of High-Power Bottle Beams and Autofocusing Beams by Qian, Yixian, Lai, Songtao, Mao, Hongxing

“…We propose and experimentally demonstrate an optical bottle beam (BB) and an abruptly autofocusing beam (AB), which were generated using a ring-Airy beam…”
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Quasi-Airy beams along tunable propagation trajectories and directions by Qian, Yixian, Zhang, Site

“…We present a theoretical and experimental exhibit that accelerates quasi-Airy beams propagating along arbitrarily appointed parabolic trajectories and…”
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Manipulation of accelerating beam in gradient potentials by Qian, Yixian, Zhang, Site

“…We demonstrate the manipulation of accelerating beams by gradient potentials. An analytical solution for arbitrarily accelerating beam is derived from the…”
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Swallowtail-type diffraction catastrophe beams by Teng, Houan, Qian, Yixian, Lan, Yanping, Cui, Wentao

“…We demonstrate a universal approach for generating high-order diffraction catastrophe beams, specifically for Swallowtail-type beams (abbreviated as…”
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Annular arrayed-Airy beams carrying vortex arrays by Qian, Yixian, Shi, Yile, Jin, Weimin, Hu, Fangrong, Ren, Zhijun

“…We propose and experimentally demonstrate annular arrayed-Airy beams (AAABs) carrying vortex arrays by combining multiple beams. The propagation dynamics and…”
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Generation of polygonal non-diffracting beams via angular spectral phases by Hu, Juntao, Wei, Wenjun, Li, Xinzhong, Qian, Yixian

“…In this study, an effective approach for generating polygonal non-diffracting beams (PNDBs) is demonstrated using optical caustics and cross-phases. The…”
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Generation for high-dimensional caustics and artificially tailored structured caustic beams by Sun, Zhuo, Hu, Juntao, Wang, Yishu, Li, Xinzhong, Qian, Yixian

“…We theoretically propose and demonstrate topological parabolic umbilic beams (PUBs) with high-dimensional caustic by mapping catastrophe theory into optics…”
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Customizing twisted structured light beams by Hu, Juntao, Wei, Wenjun, Sun, Zhuo, Li, Xinzhong, Qian, Yixian

“…•We demonstrate a practical approach to generate twisted structured beams using a superimposed phase by introducing an azimuthal rotation factor.•Diverse…”
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Virtual source for the fractional-order Bessel–Gauss beams by Song, Lvbin, Ren, Zhijun, Fan, Changjiang, Qian, Yixian

“…First, the nonparaxial integral expression of fractional-order Bessel–Gauss (FBG) beams during propagation is rigorously derived by using the virtual source…”
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Tunable Polycyclic Chiral Beams by Lan, Yanping, Qian, Yixian, Ren, Zhijun

“…The generation of polycyclic chiral beams by inducing annular spiral zone phases that consist of multiple subphases is numerically and experimentally…”
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Controllable symmetric caustic beams by Qian, Yixian, Mao, Hongxing, Lai, Songtao

“…We proposed controllable symmetric caustic beams (SCBs), which can follow any desired convex or concave propagation trajectory. The analytical relation between…”
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Generation of perfect helical Mathieu vortex beams by Li, Xiaoxiao, Ren, Zhijun, Xu, Fuyang, Song, LvBin, Lv, Xiang, Qian, Yixian, Yu, Ping

“…We introduced a kind of novel perfect optical vortex beam, which we termed herein as perfect helical Mathieu vortex (PHMV) beams. The theoretical mechanism…”
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Generation of high-dimensional caustic beams via phase holograms using angular spectral representation by Sun, Zhuo, Hu, Juntao, Wang, Yishu, Ye, Wenni, Qian, Yixian, Li, Xinzhong

“…Using angular spectral representation, we demonstrate a generalized approach for generating high-dimensional elliptic umbilic and hyperbolic umbilic caustics…”
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Generation of Accelerating Beams along Arbitrary Trajectories by Qian, Yixian, Zhang, Site, Ren, Zhijun

“…A phase superposition approach for generating arbitrarily accelerating beams is proposed, where the superimposed phase is composed of multiple sub‐phases, each…”
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