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IEEE Journal of Quantum Electronics最新文献

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Burst-Mode Nd: YAG/Cr⁴⁺:YAG Laser With Tunable Pulse Chain Sequence and Intervals 具有可调脉冲链序列和间隔的脉冲串模式 Nd：YAG/Cr⁴⁺：YAG 激光器
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-26 DOI: 10.1109/JQE.2024.3468999
Nihui Zhang;Di Xin;Zhenjiao Shan;Fengxin Dong;Xuyan Zhou;Hongbo Zhang;Wanhua Zheng
{"title":"Burst-Mode Nd: YAG/Cr⁴⁺:YAG Laser With Tunable Pulse Chain Sequence and Intervals","authors":"Nihui Zhang;Di Xin;Zhenjiao Shan;Fengxin Dong;Xuyan Zhou;Hongbo Zhang;Wanhua Zheng","doi":"10.1109/JQE.2024.3468999","DOIUrl":"https://doi.org/10.1109/JQE.2024.3468999","url":null,"abstract":"We employed 808 nm and 885 nm pumping sources for time-shared pumping of the compact Nd:YAG/Cr4+:YAG passively Q-switched laser by incorporating time and sequence modulation functions into the electrical modulation signals. Through adjusting the pumping peak powers and pulse widths of the two pump sources, various burst-mode lasers were realized. The repetition frequency and time intervals between pulse chain sequences, as well as the intervals between sub-pulses within a sequence, could be adjustable, addressing the challenge of precise timing control in burst-mode lasers. The time-shared pumping Q-switched laser displayed significantly better controllable pulse characteristic compared to the conventional single-pulse output mode of burst-mode lasers. In conclusion, this work has effectively expanded the application scope of burst-mode lasers, representing a novel contribution to the field.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-7"},"PeriodicalIF":2.2,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142438567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Analysis of Relative Intensity Noise of Distributed-Feedback Fiber Lasers Considering Spatial Mode Profile 考虑空间模式轮廓的分布式反馈光纤激光器相对强度噪声数值分析
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-26 DOI: 10.1109/JQE.2024.3468998
Xuanchen Guo;Yinyang Pei;Jianzhong Zhang
{"title":"Numerical Analysis of Relative Intensity Noise of Distributed-Feedback Fiber Lasers Considering Spatial Mode Profile","authors":"Xuanchen Guo;Yinyang Pei;Jianzhong Zhang","doi":"10.1109/JQE.2024.3468998","DOIUrl":"https://doi.org/10.1109/JQE.2024.3468998","url":null,"abstract":"The spatial mode profile of distributed feedback (DFB) lasers is a unique characteristic that distinguishes them from lasers based on F-P cavities. It is utilized to achieve single-mode operation and improve relative intensity noise (RIN) performance. The effective cavity length method, as an approximate method for spatial mode profiling, is conveniently used for theoretical analysis. In this paper, the RIN of DFB fiber lasers was analyzed by considering their spatial mode profile without any approximations, and the results were compared with experimental findings. Additionally, numerical simulations of DFB fiber lasers with different structures were conducted to analyze their noise characteristics and the impact of spatial mode profile on the RIN of the lasers was discussed. The spatial mode profile was solved using the shooting method, with boundary conditions provided based on the erbium ion gain model. The spatial mode profile was then substituted into the RIN expression, yielding the RIN of DFB lasers influenced by spatial mode profile. This physical model is widely applicable and can be used to effectively analyze the dynamic characteristics of most DFB fiber laser structures.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-10"},"PeriodicalIF":2.2,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laser Cavity Analysis Method Considering Dynamic Change of Thermal Lens Effect 考虑热透镜效应动态变化的激光腔分析方法
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-26 DOI: 10.1109/JQE.2024.3468994
Yuko Kono;Shigeyuki Takagi
{"title":"Laser Cavity Analysis Method Considering Dynamic Change of Thermal Lens Effect","authors":"Yuko Kono;Shigeyuki Takagi","doi":"10.1109/JQE.2024.3468994","DOIUrl":"https://doi.org/10.1109/JQE.2024.3468994","url":null,"abstract":"We have developed an experimental method for estimating the thermal lens effect of a Nd:YAG rod during laser oscillation in a high-power pulsed laser. By combining a stability analysis by cavity simulation with the change in the focal length of the rod and the beam quality according to the input, we were able to correct the reduction of the thermal effect on the rod due to laser oscillation. The proposed method makes it possible to design a resonator that appropriately considers the stability of the resonator that changes in accordance with the input power.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-7"},"PeriodicalIF":2.2,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142595046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultra-Compact, Fully Packaged Broadband Thin-Film Lithium Niobate Modulator for Microwave Photonics 用于微波光子学的超小型全封装宽带铌酸锂薄膜调制器
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-18 DOI: 10.1109/JQE.2024.3462950
Jinye Li;Dechen Li;Peng Wang;Jinming Tao;Run Li;Qianqian Jia;Jianguo Liu
{"title":"Ultra-Compact, Fully Packaged Broadband Thin-Film Lithium Niobate Modulator for Microwave Photonics","authors":"Jinye Li;Dechen Li;Peng Wang;Jinming Tao;Run Li;Qianqian Jia;Jianguo Liu","doi":"10.1109/JQE.2024.3462950","DOIUrl":"10.1109/JQE.2024.3462950","url":null,"abstract":"Broadband, compact electro-optic modulator is one of the key components in optical communication networks and microwave photonic systems. Here, this paper reports a thin-film lithium niobate electro-optic modulator with a 3 dB electro-optic bandwidth greater than 50 GHz after encapsulation, and discusses the electro-optic response and thermo-optic phase-shifting performance of the device. The modulator chip has a 3 dB electro-optic bandwidth greater than 67 GHz, and the fully encapsulated device has a small size (31 mm \u0000<inline-formula> <tex-math>$times 10$ </tex-math></inline-formula>\u0000 mm \u0000<inline-formula> <tex-math>$times 5.3$ </tex-math></inline-formula>\u0000 mm) while having a high electro-optic bandwidth of up to 51 GHz and an excellent half-wave voltage length product as low as 2.5 V\u0000<inline-formula> <tex-math>$cdot$ </tex-math></inline-formula>\u0000 cm. The DC bias is thermally shifted with a 2.3V half-wave voltage for reliable and stable bias characteristics.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-9"},"PeriodicalIF":2.2,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Spectrally Selective Terahertz Detection in a Photo-Thermoelectric Graphene Detector With Dual Nano-Grating Gates 带双纳米光栅的光热电石墨烯探测器的增强型光谱选择性太赫兹探测功能
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-18 DOI: 10.1109/JQE.2024.3462953
Faramarz Alihosseini;Hesam Zandi
{"title":"Enhanced Spectrally Selective Terahertz Detection in a Photo-Thermoelectric Graphene Detector With Dual Nano-Grating Gates","authors":"Faramarz Alihosseini;Hesam Zandi","doi":"10.1109/JQE.2024.3462953","DOIUrl":"10.1109/JQE.2024.3462953","url":null,"abstract":"We introduce a high-performance terahertz detector based on the photo-thermoelectric effect (PTE) in graphene. Our study outlines a novel approach to enhance terahertz detection through a photodetector that employs a hybrid structure. This structure combines the localized surface plasmon resonance of dual grating gates with the resonant modes of a Fabry-Perot cavity configuration, facilitating a strong interaction between terahertz light and the active graphene layer, thereby improving light absorption. Our numerical investigation reveals frequency selectivity within the terahertz absorptance spectrum for incident waves with transverse magnetic polarization, leading to near-perfect absorptance of graphene. This substantial absorption creates an amplified thermal gradient across the graphene channel due to localized heat generation from terahertz wave absorption. The detector’s absorption characteristics can be adjusted by altering geometrical parameters and tuning two gate voltages. Furthermore, incorporating dual grating gates to create a pn-junction leads to a non-uniform Seebeck coefficient along the channel, enhancing the generated voltage. At a resonant frequency of 1.6 THz, the detector demonstrates a responsivity of 1.26 V/W and a noise-equivalent power (NEP) of \u0000<inline-formula> <tex-math>$5.2 mathrm {nW}/sqrt {mathrm {Hz}}$ </tex-math></inline-formula>\u0000 at room temperature, under biasing the two grating gates with the low voltages of ±0.2 V.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-8"},"PeriodicalIF":2.2,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mode-Locking and Q-Switching in Holmium Doped Fiber Laser Using Topological Insulator (Sb₂Te₃) as Saturable Absorber 使用拓扑绝缘体 (Sb2Te3) 作为饱和吸收体的掺钬光纤激光器中的模式锁定和 Q 开关
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-09 DOI: 10.1109/JQE.2024.3456073
H. Ahmad;K. Kamaruzzaman;M. Z. Samion
{"title":"Mode-Locking and Q-Switching in Holmium Doped Fiber Laser Using Topological Insulator (Sb₂Te₃) as Saturable Absorber","authors":"H. Ahmad;K. Kamaruzzaman;M. Z. Samion","doi":"10.1109/JQE.2024.3456073","DOIUrl":"10.1109/JQE.2024.3456073","url":null,"abstract":"This work demonstrates mode-locking and Q-switching in a holmium-doped fiber laser (HDFL) using topological insulator (TI) antimony telluride (Sb2Te3) as the saturable absorber (SA). The TI was drop-casted on an arc-shaped fiber to generate mode-locked pulses and used in thin-film form to generate Q-switched pulses. The mode-locked pulses obtained were centered at 2081.1 nm with a repetition rate of 13.4 MHz, signal-to-noise ratio of 42 dB, and 1.85 ps pulse width. The Q-switched pulses were generated at the center wavelength of 2086.3 nm within the pump power of 1.55 W until 1.80 W. Within this range, the repetition rate peaked at 50.76 kHz and the pulse width dropped to a minimum value of \u0000<inline-formula> <tex-math>$2.64~mu $ </tex-math></inline-formula>\u0000s. To the best of the author’s knowledge, this is the first work to use a topological insulator in an HDFL to generate both mode-locked and Q-switched pulses.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-8"},"PeriodicalIF":2.2,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142191334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frequency Modulation Nonlinear Correction and Ranging in FMCW LiDAR FMCW 激光雷达中的调频非线性校正与测距
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-05 DOI: 10.1109/JQE.2024.3454604
Yuchen Jiang;Miao Hu;Mengmeng Xu;Haozhen Li;Xuefang Zhou;Meihua Bi;Sunqiang Pan;Chong Liu
{"title":"Frequency Modulation Nonlinear Correction and Ranging in FMCW LiDAR","authors":"Yuchen Jiang;Miao Hu;Mengmeng Xu;Haozhen Li;Xuefang Zhou;Meihua Bi;Sunqiang Pan;Chong Liu","doi":"10.1109/JQE.2024.3454604","DOIUrl":"10.1109/JQE.2024.3454604","url":null,"abstract":"The linearity of the laser frequency modulation is a crucial factor that affects the performance of the frequency-modulated continuous wave (FMCW) LiDAR ranging. Nonlinearity can influence ranging resolution and introduce errors. This paper proposes a method for correcting frequency modulation nonlinearity based on waveform preprocessing for the modulation signal of the laser. After correction, the residual nonlinearity (1-r2) of the laser is reduced to \u0000<inline-formula> <tex-math>$1.85times 10^{-4}$ </tex-math></inline-formula>\u0000 for the up-sweeping and \u0000<inline-formula> <tex-math>$8.47times 10^{-4}$ </tex-math></inline-formula>\u0000 for the down-sweeping using the modulation signal with the repetition frequency of 50 kHz. The full-width at half of the maximum (FWHM) of the spectrum decreases by 86% compared to pre-correction, resulting in the ranging error of 0.37% at the distance of 38 cm. With distances of 0.90 m, 1.80 m, 2.89 m, and 4.13 m, respectively, the ranging error stabilizes at 0.2%, and the minimum deflection of distance can reach \u0000<inline-formula> <tex-math>$8~mathrm {mu m}$ </tex-math></inline-formula>\u0000.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-7"},"PeriodicalIF":2.2,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142191335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phase Shifts in Gain-Switched Semiconductor Laser Subharmonic Pulse Trains 增益开关半导体激光器次谐波脉冲序列中的相位偏移
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-09-02 DOI: 10.1109/JQE.2024.3453281
Thomas B. Simpson;Joseph S. Suelzer;Nicholas G. Usechak
{"title":"Phase Shifts in Gain-Switched Semiconductor Laser Subharmonic Pulse Trains","authors":"Thomas B. Simpson;Joseph S. Suelzer;Nicholas G. Usechak","doi":"10.1109/JQE.2024.3453281","DOIUrl":"10.1109/JQE.2024.3453281","url":null,"abstract":"Gain switching of semiconductor lasers by strong sinusoidal current modulation can generate Period Two (P2) and Period Three (P3) sub-harmonic pulse trains. It is known that these pulse trains can be interrupted by bursting events, for the P2 pulse train predominantly consisting of short segments of relatively weak pulses at the modulation frequency (a P1-like state) before the system returns to the dominant P2 state. Similarly, for systems operating in the P3 state, intermittent switching yields combinations of P1- and P2-like pulses. To better understand these experimental observations, we perform numerical simulations using a standard model coupling the circulating optical field to the carriers of the gain medium and then compare the results with our experimental measurements on a single-mode distributed feedback laser. The simulations show that low optical power events typically precede the interruptions of the dominant sub-harmonic pulse trains. During these events, stochastic sources, such as spontaneous emission noise, which interact with the circulating optical field are found to dominate the deterministic changes to the calculated trajectory. With output in either P2 or P3 dominant pulse trains, we numerically and experimentally demonstrate that the induced phase fluctuations follow the statistics of classical telegraph noise for the P2 state, and a three-state variant for the P3 state.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-12"},"PeriodicalIF":2.2,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142191336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
All-Optical General RS Flip-Flop and Clocked RS Flip-Flop Based on Cascaded PPLN Waveguides 基于级联 PPLN 波导的全光通用 RS 触发器和时钟 RS 触发器
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-08-26 DOI: 10.1109/JQE.2024.3450371
Jing Shen;Yujuan Feng
{"title":"All-Optical General RS Flip-Flop and Clocked RS Flip-Flop Based on Cascaded PPLN Waveguides","authors":"Jing Shen;Yujuan Feng","doi":"10.1109/JQE.2024.3450371","DOIUrl":"10.1109/JQE.2024.3450371","url":null,"abstract":"By utilizing the principle of optical logic signal processing of periodically poled lithium niobate (PPLN) waveguide, this paper proposes schemes of all-optical general set-reset (RS) flip-flop and clocked RS flip-flop based on cascaded second-order nonlinearities of sum-frequency generation (SFG) and difference-frequency generation (DFG), and the principle is theoretically investigated. The waveforms, eye diagrams, extinction ratio (ER) and full width at half maximum (FWHM) of the light waves are calculated and simulated numerically. The results of static simulation demonstrate that the logic of general and clocked RS flip-flops are achieved well by these schemes; the timing sequential simulation demonstrate that the logic properties of flip-flops with a feedback loop can also be achieved well for timing sequential optical signals.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 6","pages":"1-8"},"PeriodicalIF":2.2,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142191337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Performance Very Long Wave Infrared Quantum Cascade Detector Grown by MOCVD 利用 MOCVD 技术生长的高性能甚长波红外量子级联探测器
IF 2.2 3区 工程技术
IEEE Journal of Quantum Electronics Pub Date : 2024-08-22 DOI: 10.1109/JQE.2024.3448399
Kai Guo;Yixuan Zhu;Yu Chen;Kun Li;Shenqiang Zhai;Shuman Liu;Ning Zhuo;Jinchuan Zhang;Lijun Wang;Fengqi Liu;Xiaohua Wang;Zhipeng Wei;Junqi Liu
{"title":"High-Performance Very Long Wave Infrared Quantum Cascade Detector Grown by MOCVD","authors":"Kai Guo;Yixuan Zhu;Yu Chen;Kun Li;Shenqiang Zhai;Shuman Liu;Ning Zhuo;Jinchuan Zhang;Lijun Wang;Fengqi Liu;Xiaohua Wang;Zhipeng Wei;Junqi Liu","doi":"10.1109/JQE.2024.3448399","DOIUrl":"https://doi.org/10.1109/JQE.2024.3448399","url":null,"abstract":"We present a very long wave infrared (VLWIR) quantum cascade detector (QCD) optimized for the extraction region grown by metal organic chemical vapor deposition (MOCVD). The wave function of high-energy states has been tailored into a funnel-shaped miniband structure. This design accelerates the extraction and collection of electrons, thereby enhancing the device’s extraction efficiency, with a theoretical calculation value of 91%. Besides, this miniband extraction scheme also increases the number of well barrier pairs between the ground state and the longitudinal optical (LO) phonon step level. The electron loss caused by thermal backfilling and thermally activated leakage can be effectively reduced. For a \u0000<inline-formula> <tex-math>$200~mu $ </tex-math></inline-formula>\u0000m \u0000<inline-formula> <tex-math>$times 200~mu $ </tex-math></inline-formula>\u0000m mesa device from a 4-inch wafer, a peak responsivity of 66 mA/W and a peak specific detectivity of \u0000<inline-formula> <tex-math>$1.4 times 10^{11}$ </tex-math></inline-formula>\u0000 Jones were obtained at 30 K, with the maximum operating temperature persists up to 170 K.","PeriodicalId":13200,"journal":{"name":"IEEE Journal of Quantum Electronics","volume":"60 5","pages":"1-5"},"PeriodicalIF":2.2,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142169758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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