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中国物理B（英文版）
中国物理B（英文版）

欧阳钟灿

月刊

1674-1056

010-82649026 82649519

100080

北京603信箱

中国物理B（英文版）/Journal Chinese Physics　BCSCDCSTPCD北大核心EISCI
查看更多>>该刊与《物理学报》是中国物理学会主办的物理学英文和中文的综合性国际学术月刊。刊登物理学科领域中，国内外未曾公开发表的具有创新性的科学研究最新成果。内容包括物理学各领域的理论、实验技术及应用。两刊内容不重复。两刊以论文水平高、创新性强，发表速度快的特点，受到国内外物理学工作者的好评和关注。被国际著名的SCI等10种以上检索系统收录。曾多次被评为中国科学院优秀期刊一等奖，1999，2003，2005年荣获第一、第二和第三届国家期刊奖，2001年被国家新闻出版总署评为“中国期刊方阵”中的双高（高知名度、高学术水平）期刊。2001，2002，2003年两刊都评为百种中国杰出期刊。
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    Intensity correlation properties of x-ray beams split with Laue diffraction

    赵昌哲司尚禹张海鹏薛莲...
    416-421页
    查看更多>>摘要：Beam splitting is one of the main approaches to achieving x-ray ghost imaging,and the intensity correlation between diffraction beam and transmission beam will directly affect the imaging quality.In this paper,we investigate the intensity correlation between the split x-ray beams by Laue diffraction of stress-free crystal.The analysis based on the dynamical theory of x-ray diffraction indicates that the spatial resolution of diffraction image and transmission image are reduced due to the position shift of the exit beam.In the experimental setup,a stress-free crystal with a thickness of hundred-micrometers-level is used for beam splitting.The crystal is in a non-dispersive configuration equipped with a double-crystal monochromator to ensure that the dimension of the diffraction beam and transmission beam are consistent.A correlation coefficient of 0.92 is achieved experimentally and the high signal-to-noise ratio of the x-ray ghost imaging is anticipated.Results of this paper demonstrate that the developed beam splitter of Laue crystal has the potential in the efficient data acquisition of x-ray ghost imaging.
      原文链接:
    • 万方数据
    • 维普

    A 1-bit electronically reconfigurable beam steerable metasurface reflectarray with multiple polarization manipulations

    史琰徐茜雅王少泽魏文岳...
    422-433页
    查看更多>>摘要：A 1-bit electronically controlled metasurface reflectarray is presented to achieve beam steering with multiple polar-ization manipulations.A metsurface unit cell loaded by two PIN diodes is designed.By switching the two PIN diodes between ON and OFF states,the isotropic and anisotropic reflections can be flexibly achieved.For either the isotropic reflection or the anisotropic reflection,the two operation states achieve the reflection coefficients with approximately equal magnitude and 180° out of phase,thus giving rise to the isotropic/anisotropic 1-bit metasurface unit cells.With the 1-bit unit cells,a 12-by-12 metasurface reflectarray is optimally designed and fabricated.Under either y-or x-polarized incident wave illumination,the reflectarray can achieve the co-polarized and cross-polarized beam scanning,respectively,with the peak gains of 20.08 dBi and 17.26 dBi within the scan range of about±50°.With the right-handed circular polarization(RHCP)excitation,the left-handed circular polarization(LHCP)radiation with the peak gain of 16.98 dBic can be achieved within the scan range of±50°.Good agreement between the experimental results and the simulation results are observed for 2D beam steering and polarization manipulation capabilities.
      原文链接:
    • 万方数据
    • 维普

    Young's double slit interference with vortex source

    段琦琳赵鹏飞殷玉杭陈焕阳...
    434-439页
    查看更多>>摘要：The fast and convenient demultiplex of optical vortex(OV)mode is crucial for its further application.We propose a novel approach that combines classic Young's doublet with an OV source to effectively identify the OV mode through the analysis of interference patterns.The interference patterns of the OV source incident on the double slits can be perfectly illustrated by using both the classical double-slit interference method and the Huygens-Fresnel principle.The interference fringes will twist along the negative or positive direction of x axis when topological charge(TC)、＞0 or l＜0,and the degree of the movement varies with the TC,allowing for a quantitative display of the OV characteristics through the interference patterns.Additionally,we deduce analytically that the zeroth-order interference fringe has a linear relationship with the TC and the vertical position.These findings highlight the ability to identify the OV mode by analyzing the interference patterns produced by Young's doublet.
      原文链接:
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    Phase sensitivity with a coherent beam and twin beams via intensity difference detection

    刘俊邵涛李晨露张敏洋...
    440-447页
    查看更多>>摘要：We focus on the Mach-Zehnder interferometer(MZI)with the input of a coherent beam and one of the bright en-tangled twin beams with an external power reference beam employed for measurement.The results show that the phase sensitivity can reach sub-Heisenberg limit and approach quantum Cramér-Rao bound by changing the squeezing parame-ters and the photon number of the coherent beam,under the phase-matching condition.The absence of the external power reference beam will degrade the performance of the phase sensitivity.Meanwhile,this scheme shows good robustness against the losses of the photon detectors.We present a detailed discussion about the phase sensitivities when the inputs are two coherent beams,or a coherent beam plus a single-mode squeezed vacuum beam based on the MZI.This scenario can be applied in the field of phase precision measurements and other optical sensors.
      原文链接:
    • 万方数据
    • 维普

    Bessel-Gaussian beam-based orbital angular momentum holography

    季佳滢郑志刚朱家龙王乐...
    448-455页
    查看更多>>摘要：Orbital angular momentum(OAM),as a new degree of freedom,has recently been applied in holography technology.Due to the infinite helical mode index of OAM mode,a large number of holographic images can be reconstructed from an OAM-multiplexing hologram.However,the traditional design of an OAM hologram is constrained by the helical mode index of the selected OAM mode,for a larger helical mode index OAM mode has a bigger sampling distance,and the crosstalk is produced for different sampling distances for different OAM modes.In this paper,we present the design of the OAM hologram based on a Bessel-Gaussian beam,which is non-diffractive and has a self-healing property during its propagation.The Fourier transform of the Bessel-Gaussian beam is the perfect vortex mode that has the fixed ring radius for different OAM modes.The results of simulation and experiment have demonstrated the feasibility of the generation of the OAM hologram with the Bessel-Gaussian beam.The quality of the reconstructed holographic image is increased,and the security is enhanced.Additionally,the anti-interference property is improved owing to its self-healing property of the Bessel-OAM holography.
      原文链接:
    • 万方数据

    Finesse measurement for high-power optical enhancement cavity

    陆心怡柳兴田其立王焕...
    456-464页
    查看更多>>摘要：Finesse is a critical parameter for describing the characteristics of an optical enhancement cavity(OEC).This paper first presents a review of finesse measurement techniques,including a comparative analysis of the advantages,disadvan-tages,and potential limitations of several main methods from both theoretical and practical perspectives.A variant of the existing method called the free spectral range(FSR)modulation method is proposed and compared with three other finesse measurement methods,i.e.,the fast-switching cavity ring-down(CRD)method,the rapidly swept-frequency(SF)CRD method,and the ringing effect method.A high-power OEC platform with a high finesse of approximately 16000 is built and measured with the four methods.The performance of these methods is compared,and the results show that the FSR modulation method and the fast-switching CRD method are more suitable and accurate than the other two methods for high-finesse OEC measurements.The CRD method and the ringing effect method can be implemented in open loop using simple equipment and are easy to perform.Additionally,recommendations for selecting finesse measurement methods under different conditions are proposed,which benefit the development of OEC and its applications.
      原文链接:
    • 万方数据
    • 维普

    Using harmonic beam combining to generate pulse-burst in nonlinear optical laser

    许元斋李珍玲张奥楠刘可...
    465-471页
    查看更多>>摘要：The ultrashort lasers working in pulse-burst mode reveal great machining performance in recent years.The number of pulses in bursts effects greatly on the removal rate and roughness.To generate a more equal amplitude of pulses in burst with linear polarization output and time gap adjustable,we propose a new method by the harmonic beam combining(HBC).The beam combining is commonly used in adding pulses into the output beam while maintaining the pulse waveform and beam quality.In the HBC,dichroic mirrors are used to combine laser pulses of fundamental wave(FW)into harmonic wave(HW),and nonlinear crystals are used to convert the FW into HW.Therefore,HBC can add arbitrarily more HW pulses to generate pulse-burst in linear polarization with simple structure.The amplitude of each pulse in bursts can be adjusted the same to increase the stability of the burst,the time gap of each pulse can be adjusted precisely by proper time delay.Because HBC adds pulses sequentially,the peak power density of the burst is the same as each pulse,pulses can be combined without concern of back-conversion which often occurs in high peak power density.In the demonstration,the extendibility of HBC was verified by combining two beams with a third beam.The combined efficiency rates were larger than 99％,and the beam quality of each beam was maintained at M2 ≈ 1.4.
      原文链接:
    • 万方数据
    • 维普

    Giant and controllable Goos-H?nchen shift of a reflective beam off a hyperbolic metasurface of polar crystals

    薛天李宇博宋浩元王相光...
    472-480页
    查看更多>>摘要：We conduct a theoretical analysis of the massive and tunable Goos-Hänchen(GH)shift on a polar crystal covered with periodical black phosphorus(BP)-patches in the THz range.The surface plasmon phonon polaritons(SPPPs),which are coupled by the surface phonon polaritons(SPhPs)and surface plasmon polaritons(SPPs),can greatly increase GH shifts.Based on the in-plane anisotropy of BP,two typical metasurface models are designed and investigated.An enormous GH shift of about-7565.58λ0 is achieved by adjusting the physical parameters of the BP-patches.In the designed metasurface structure,the maximum sensitivity accompanying large GH shifts can reach about 6.43 ×108 λ0/RIU,which is extremely sensitive to the size,carrier density,and layer number of BP.Compared with a traditional surface plasmon resonance sensor,the sensitivity is increased by at least two orders of magnitude.We believe that investigating metasurface-based SPPPs sensors could lead to high-sensitivity biochemical detection applications.
      原文链接:
    • 万方数据

    Quasi-anti-parity-time-symmetric single-resonator micro-optical gyroscope with Kerr nonlinearity

    耿靖童徐书逸靳婷丁舒林...
    481-486页
    查看更多>>摘要：Parity-time(PT)and quasi-anti-parity-time(quasi-APT)symmetric optical gyroscopes have been proposed recently which enhance Sagnac frequency splitting.However,the operation of gyroscopes at the exceptional point(EP)is chal-lenging due to strict fabrication requirements and experimental uncertainties.We propose a new quasi-APT-symmetric micro-optical gyroscope which can be operated at the EP by easily shifting the Kerr nonlinearity.A single resonator is used as the core sensitive component of the quasi-APT-symmetric optical gyroscope to reduce the size,overcome the strict structural requirements and detect small rotation rates.Moreover,the proposed scheme also has an easy readout method for the frequency splitting.As a result,the device achieves a frequency splitting 105 times higher than that of a classical resonant optical gyroscope with the Earth's rotation.This proposal paves the way for a new and valuable method for the engineering of micro-optical gyroscopes.
      原文链接:
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    Performance analysis of single-focus phase singularity based on elliptical reflective annulus quadrangle-element coded spiral zone plates

    臧华平王宝珍郑程龙魏来...
    487-495页
    查看更多>>摘要：Optical vortices generated by the conventional vortex lens are usually disturbed by the undesired higher-order foci,which may lead to additional artifacts and thus degrade the contrast sensitivity.In this work,we propose an efficient methodology to combine the merit of elliptical reflective zone plates(ERZPs)and the advantage of spiral zone plates(SZPs)in establishing a specific single optical element,termed elliptical reflective annulus quadrangle-element coded spiral zone plates(ERAQSZPs)to generate single-focus phase singularity.Differing from the abrupt reflectance of the ERZPs,a series of randomly distributed nanometer apertures are adopted to realize the sinusoidal reflectance.Typically,according to our physical design,the ERAQSZPs are fabricated on a bulk substrate;therefore,the new idea can significantly reduce the difficulty in the fabrication process.Based on the Kirchhoff diffraction theory and convolution theorem,the focusing performance of ERAQSZPs is calculated.The results reveal that apart from the capability of generating optical vortices,ERAQSZPs can also integrate the function of focusing,energy selection,higher-order foci elimination,as well as high spectral resolution together.In addition,the focusing properties can be further improved by appropriately adjusting the parameters,such as zone number and the size of the consisted primitives.These findings are expected to direct a new direction toward improving the performance of optical capture,x-ray fluorescence spectra,and forbidden transition.
      原文链接:
    • 万方数据
    • 维普