Optics and Laser Technology最新文献

{"title":"Goos-Hänchen shifts around Fano resonances in superconducting photonic crystals embedded with graphene","authors":"Hao Ni ,&nbsp;Siliu Xu ,&nbsp;Fanghua Liu ,&nbsp;Fangmei Liu ,&nbsp;Miaomiao Zhao ,&nbsp;Dong Zhao","doi":"10.1016/j.optlastec.2024.112186","DOIUrl":"10.1016/j.optlastec.2024.112186","url":null,"abstract":"<div><div>Lateral Goos-Hänchen (GH) shifts at the Fano resonances are theoretically investigated in superconducting photonic crystals. The photonic system consists of superconductor layer pairs with embedded graphene and a dielectric layer. With an oblique incident light, multiple Fano resonances are realized in the transmission spectrum because of the embedded graphene. Large GH shifts of the reflected light, including positive (<em>Δ</em>_p) and negative (<em>Δ</em>_n) GH shifts, are obtained around the Fano resonances. The GH shifts almost keep stable for different chemical potentials of graphene. By decreasing hydrostatic pressure or incident angle, larger <em>Δ</em>_p and |<em>Δ</em>_n| are achieved and the corresponding frequency has a redshift. By increasing the ambient temperature, <em>Δ</em>_p and |<em>Δ</em>_n| first increase smoothly and then decrease sharply. Overall, <em>Δ</em>_p is more sensitive than <em>Δ</em>_n, while the reflectance corresponding to <em>Δ</em>_n is much larger than that corresponding to <em>Δ</em>_p. Large and tunable GH shifts in our study may have great potential for optical detectors and transducers.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112186"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hollow MoS2-Co3S4 heterostructures derived from ZIF-67 as saturable absorber for generating gigahertz repetition frequency mode-locked fiber lasers","authors":"Cheng Lu ,&nbsp;Weiyu Fan ,&nbsp;Xiaoyu Zhao ,&nbsp;Kaixin Li ,&nbsp;Lezheng Wang ,&nbsp;Yutian He ,&nbsp;Huanian Zhang ,&nbsp;Nannan Xu ,&nbsp;Guomei Wang ,&nbsp;Wenfei Zhang ,&nbsp;Caixun Bai ,&nbsp;Shenggui Fu","doi":"10.1016/j.optlastec.2024.112230","DOIUrl":"10.1016/j.optlastec.2024.112230","url":null,"abstract":"<div><div>In practical applications, high repetition frequency (HRF) lasers are widely used in the fields of material processing, laser communication and medical therapy. In this work, the passive harmonic mode-locked (HML) technique is used to realize a HRF fiber laser in GHz level, effectively overcoming the limitations of traditional fiber laser structures. In order to maximize the advantages of nanomaterials, we synthesized high-purity hollow MoS₂-Co₃S₄ heterojunction materials by hydrothermal method. Then, a “sandwich” structure saturable absorber (SA) was prepared by photodeposition, and its nonlinear optical properties were investigated. The results demonstrate that the modulation depth and saturation intensity of MoS₂-Co₃S₄ SA are 24 % and 4.53 MW/cm², respectively. The fiber laser based on MoS₂-Co₃S₄ SA could realize the fundamental frequency mode-locked at 23.11 MHz with a pulse width of 0.99 ps. In addition, various high-order HML are realized with this laser system capable of stable operation for extended periods up to the highest repetition frequency of 1.109 GHz achieved thus far in this field. This research provides strong support to promote the development and commercialization of HRF fiber lasers.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112230"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An emerging aspirant for solar cell and non-conventional energy applications: Lead free fluoro-perovskites A2TlInF6 (A = K, Rb)","authors":"Deepali Shukla ,&nbsp;Ramesh Sharma ,&nbsp;A. Shukla ,&nbsp;Alka Misra ,&nbsp;Jisha Annie Abraham ,&nbsp;Sohail Ahmad ,&nbsp;Vipul Srivastava","doi":"10.1016/j.optlastec.2024.112225","DOIUrl":"10.1016/j.optlastec.2024.112225","url":null,"abstract":"<div><div>In the present work; structural, electronic, optical, and thermoelectric properties of double perovskites A₂TlInF₆ (A = K, Rb) have been studied using the ab-initio method in conjunction with full potential Linear Augmented Plane Wave (FP-LAPW) method and PBE-GGA potential. Structural properties, cohesive energy, and formation enthalpy collectively confirmed the stability of the halide perovskites in a cubic structure with Fm3m symmetry. Electronic properties revealed the p-type semiconductor nature of both materials. The indirect band gap values for K₂TlInF₆ and Rb₂TlInF₆ were found to be 3.489 eV and 3.591 eV, respectively, with PBE. With PBE + SOC, the values dropped to 3.445 eV and 3.546 eV, respectively. Optical properties such as Dielectric function <span><math><mrow><mi>ε</mi><mrow><mfenced><mrow><mi>ω</mi></mrow></mfenced></mrow></mrow></math></span>, Refractive Index <span><math><mrow><mi>n</mi><mrow><mfenced><mrow><mi>ω</mi></mrow></mfenced></mrow></mrow></math></span>, Extinction Coefficient <span><math><mrow><mi>κ</mi><mrow><mfenced><mrow><mi>ω</mi></mrow></mfenced></mrow></mrow></math></span>, Optical Conductivity <span><math><mrow><mi>σ</mi><mo>(</mo><mi>ω</mi><mo>)</mo></mrow></math></span>, Reflectivity <span><math><mrow><mi>R</mi><mo>(</mo><mi>ω</mi><mo>)</mo></mrow></math></span>, Electron Energy Loss Function <span><math><mrow><mi>L</mi><mo>(</mo><mi>ω</mi><mo>)</mo></mrow></math></span>, and Absorption Coefficient <span><math><mrow><mi>α</mi><mrow><mfenced><mrow><mi>ω</mi></mrow></mfenced></mrow></mrow></math></span> were determined using PBE-GGA potential. BoltzTraP code was used to determine thermoelectric properties, namely, Seebeck Coefficient (S), Electrical Conductivity (<span><math><mrow><mi>σ</mi><mo>)</mo></mrow></math></span>, Thermal Conductivity (K), Power Factor (PF), and Figure of merit (ZT) which were studied in detail. The study suggests halide-based double perovskites may have the potential for solar energy utilization due to their high absorption coefficient<strong>,</strong> large values of refractive index, and optimal values of the figure of merit.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112225"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tuning the essential physical properties of thermodynamically stable LaAlO3 perovskite: A first principles quantum analysis for the developments in optoelectronic devices","authors":"Naqash Hussain Malik ,&nbsp;Shafaat Hussain Mirza ,&nbsp;Sikander Azam ,&nbsp;Muhammad Farooq Nasir ,&nbsp;Muhammad Jawad ,&nbsp;Abdullah M. Al-Enizi ,&nbsp;Amna Parveen","doi":"10.1016/j.optlastec.2024.112194","DOIUrl":"10.1016/j.optlastec.2024.112194","url":null,"abstract":"<div><div>The structural, electronic, optical, elastic, mechanical and thermoelectric properties of cubic LaAlO₃ are studied under different pressure ranges (0–100 GPa) using first-principles calculations. The calculations are done using the Generalized Gradient approximation-Perdew-Burke-Ernzerhof (GGA-PBE) by utilizing the CASTEP code. The presence of positive phonon affirms the dynamical stability of cubic LaAlO₃ compound under applied pressures. It was noticed that with the increase of applied pressure, the band gap increased and the nature of the band gap changed from being indirect to direct at 60 GPa. The optical aspects of cubic LaAlO₃ have been thoroughly studied via the use of different optical parameters like the complex refractive index, complex dielectric function, absorption coefficient, energy loss function, real optical conductivity and reflectivity. These investigations cover a broad energy range from 0-50 eV. The photon absorption initiates in the visible region, with the highest level of absorption occurring inside the UV energy range. Our study indicates that LaAlO₃ sustains its cubic phase and has superb mechanical stability, demonstrating its brittle nature under applied pressure between 0 and 100 GPa. The positive values of the Hall coefficient confirm that the holes are the predominant carriers under all externally given pressures from 0 to 100 GPa. As a result, the cubic LaAlO₃ perovskite oxide exhibits suitability for energy-efficient white-LED devices and different optoelectronic applications across various applied pressures.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112194"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Precise passive synchronization of dissipative soliton resonance lasers via cascaded cross-phase- and cross-absorption-modulation for mid-infrared mode-locked pulse generation","authors":"Piotr Bojęś,&nbsp;Piotr Jaworski,&nbsp;Karol Krzempek","doi":"10.1016/j.optlastec.2024.112214","DOIUrl":"10.1016/j.optlastec.2024.112214","url":null,"abstract":"<div><div>We present the first demonstration of utilizing cascaded cross-phase and cross-absorption modulation effects for synchronizing the pulse parameters of two mode-locked fiber lasers operating in the dissipative soliton resonance regime. By utilizing the cross-absorption modulation effect we achieve a significant improvement in pulse repetition frequency synchronization dynamic range (13.5 cm cavity optical path mismatch, or 1.87 kHz pulse repetition frequency mismatch) while simultaneously achieving passive pulse duration synchronization through injection of synchronization pulses into the gain fiber of one of the Slave lasers. This approach leads to a record pulse repetition frequency synchronization dynamic range. Subsequently, the synchronized DSR lasers at 1.06 µm and 1.56 µm are employed in a nonlinear difference frequency generation stage to generate mode-locked mid-infrared pulses with a pulse repetition rate of ∼ 2 MHz and an exceptional fractional instability of 3.60 × 10^-13, measured for a 1000 s integration time.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112214"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Numerical study of paste-bridge transfer process for laser induced high-viscosity silver paste","authors":"Yanmei Zhang ,&nbsp;Shaoxia Li ,&nbsp;Chongxin Tian ,&nbsp;Yucui Yu ,&nbsp;Sining Pan ,&nbsp;Xiuli He ,&nbsp;Gang Yu","doi":"10.1016/j.optlastec.2024.112221","DOIUrl":"10.1016/j.optlastec.2024.112221","url":null,"abstract":"<div><div>Laser-induced forward transfer (LIFT) is promising for solar-cell metallization and electronic printing due to its low dependence on paste viscosity and nozzle-free process. In this paper, the transfer process and morphological characteristics for LIFT of high-viscosity silver paste were studied through simulations and experiments. The shear-thinning rheological properties were considered using the fitted Carreau model. Variations of paste protrusion with single pulse energy and time were obtained from the high-speed imaging. The evolution of initial pressure that induces the paste protrusion was solved inversely and quantitatively expressed by a polynomial function. The internal pressure should be sufficiently larger than 40 MPa to induce the effective transfer. In the simulation, the induced bubble undergoes a non-spherical transition from mushroom to pea-pod and capsule shapes due to constraints from surrounding paste and substrate. The deposition morphology formed by the induced mushroom-shaped bubble shows high printing precision with thin width (&lt;30 μm) and large height (∼10 μm). The simulated diameter and height of transferred single voxel agree with those from experimental measurement. It can gain insight into the transfer dynamics of high-viscosity pastes and provide process optimization for precision printing of voxels by LIFT.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112221"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optical fiber membrane-based Fabry–Perot tactile force sensing platform powered by LED ambient lighting","authors":"Luis M. Arellano-Gonzalez ,&nbsp;Enrique Delacruz-Mendoza ,&nbsp;Miguel E. Gutierrez-Rivera ,&nbsp;Daniel Jauregui-Vazquez","doi":"10.1016/j.optlastec.2024.112231","DOIUrl":"10.1016/j.optlastec.2024.112231","url":null,"abstract":"<div><div>This study introduces an optical fiber tactile force sensing platform powered by ambient LED lighting. Based on the interaction between a multimode optical fiber and a micro-polymer membrane, it is possible to excite an Extrinsic Fabry-Perot Interferometer (EFPI); this EFPI is pumped by collected incident light from the ambient LED lighting environment; here, a Fresnel lens and multimode fiber collect this light. The collector system maintains suitable light intensity even during 360° rotation. When transversal loads between 0 to 1 N are applied over the membrane, the tactile force sensor shows a wavelength shift towards shorter wavelengths; consequently, a 6.5 nm/N sensitivity and resolution of 0.15 N are obtained. Moreover, the phase analysis of the Fourier spectrum addresses intensity variations during rotation, revealing a sensitivity of 3 rad/N. The sensor offers stability, minimal hysteresis, minimal temperature modulation, and suitable time response across four sensing areas. Moreover, the statistical analysis and tactile force sensor performance ensure reliable tactile measurement with a null probability of overlap upon force application. It is crucial to note that this tactile force sensor provides a genuinely low-cost implementation due to the utilization of ambient LED lighting as the light source. This aspect represents an exciting advancement in fiber sensing technology.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112231"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"1.45 ps All-solid-state Q-switched mode-locked laser based on new material Bi2Te3/Sb2Te3","authors":"Yueyang Pan,&nbsp;Kangyao Jia,&nbsp;Yan Xiong,&nbsp;Han Pan,&nbsp;Shubo Cheng,&nbsp;Shufang Gao","doi":"10.1016/j.optlastec.2024.112228","DOIUrl":"10.1016/j.optlastec.2024.112228","url":null,"abstract":"<div><div>In this work, the improvement of material properties and the optimization of mode-locked devices are discussed. The lateral heterojunction Bi₂Te₃/Sb₂Te₃ is prepared by a simple solvothermal method to overcome the limitation of traditional single material and improve the nonlinear optics properties. Based on a Bi₂Te₃/Sb₂Te₃ saturable absorber, the stable passive Q-switched mode-locked operation with wavelength of 1064 nm is achieved in Nd: YVO₄ crystal. When the pump power reaches 5.5 W, a Q-switched mode-locked output with a maximum power of 910 mW is obtained, and the corresponding optical–optical conversion efficiency is 16.5 %. The repetition frequency of Q-switched pulse envelopes is 83.81 kHz, the pulse width is 1.8 μs, and the pulse energy is 10.8 μJ. The repetition frequency of the mode-locked pulse in the Q-switched envelope is 312.8 MHz and the pulse width is 1.45 ps. This flexible tunable laser provides high peak power, narrow pulse width, and highly stable laser output, broadening its application prospects in high-performance pulsed lasers.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112228"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multifunctional ultrawideband terahertz metasurfaces with full space modulation","authors":"Lei Fan,&nbsp;Wangting Fu,&nbsp;Shan Huang,&nbsp;Xingfang Luo","doi":"10.1016/j.optlastec.2024.112196","DOIUrl":"10.1016/j.optlastec.2024.112196","url":null,"abstract":"<div><div>In the field of metasurface technology, it is a major challenge to realize full-space multifunctional integration under ultra-wide bandwidth. In this study, we propose an innovative full-space terahertz (THz) metasurface design strategy that utilizes the cascaded mirror Fabry-Perot (F-P) cavity structure combined with the phase transition properties of vanadium dioxide (VO₂) to realize dynamic functional modulation of the metasurface in full space over an ultra-wide bandwidth. The proposed metasurface demonstrates exceptional capabilities within the 0.9–1.9 THz range, including polarization conversion (PC) for both linearly and circularly polarized waves in reflection mode, linear-to-circular polarization conversion (LTCPC), asymmetric transmission (AT), and circular dichroism (CD). Particularly noteworthy is the ability of the metasurface to work not only on transmission or reflection space alone, but also to modulate both spaces simultaneously. In order to demonstrate its full-space modulation capability in a wide bandwidth, the generation of a focused vortex beam is realized in the upper surface, and high-quality imaging is achieved in the lower surface space. Meanwhile, by adjusting the relative rotation angles of the metal layer structures, efficient PC is achieved in the reflection space and circular dichroism is exhibited in the transmission space. This design, characterized by full-space tunability and multifunctionality, offers innovative approaches for THz device integration and application while providing valuable insights for future optical device design.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112196"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temperature-mechanically reconfigurable bidirectional multifunctional metasurface","authors":"Xuesong Bai ,&nbsp;Yuxin Wang ,&nbsp;Yijia Zhao ,&nbsp;Jinping Tian ,&nbsp;Wenmei Zhang ,&nbsp;Rongcao Yang","doi":"10.1016/j.optlastec.2024.112224","DOIUrl":"10.1016/j.optlastec.2024.112224","url":null,"abstract":"<div><div>In this paper, we propose a temperature-mechanically reconfigurable bidirectional multifunctional metasurface based on vanadium dioxide, which can operate in both forward and backward working modes and function as a reflective absorber in terahertz frequency range, as well as a reflective and transmissive polarization converter. In the forward mode, by mechanically rotating the top polarization modulation layer at the temperature of over 340 K, the metasurface can switch between reflective linear polarization (LP) converter and absorber. When the metasurface works as a reflective LP converter, the polarization conversion rate exceeds 90 % in 0.75–1.15 THz. Also, the LP wave can be converted to the right-handed circularly polarized (RHCP) wave at 0.56 THz; when the metasurface is utilized as an absorber, the absorptivity is above 90 % in 1.14–1.21 THz and reaches a peak of 95.6 % at 1.18 THz. In the backward mode, the metasurface can act as a transmissive polarization converter and an absorber at the room temperature. When the metasurface as a transmissive polarization converter, the LP wave is converted to the RHCP wave at 1.0 THz; when it works as an absorber, the absorptivity is over 90 % in 1.20–1.61 THz. Through temperature regulation and mechanical reconfiguration, the metasurface can achieve bidirectional multifunction including absorption, linear and circular polarization conversion, which is expected to be applied in antennas, electromagnetic stealth, military radar, terahertz communication, detection and other scenarios.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"182 ","pages":"Article 112224"},"PeriodicalIF":4.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}