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design and optimization of test platform for QSFP-DD optical module

Design and optimization of test platform for QSFP-DD optical...

引用

2024 International conference on Physics, Photonics, and optical Engineering, ICPPOE 2024

作者： Zeng, Baili Wuxi Taihu University Wuxi China

ISBN: (数字)9781510689121

ISBN: (纸本)9781510689114

The thesis introduces the working principle of QSFP-DD optical module and its performance parameter index, builds the overall architecture of the automatic test platform according to the index requirements of product testing,and selects the corresponding test instruments in combination with the performance index requirements of optical module,develops the test system database and test software according to the enterprise requirements,builds the optical module The automatic test system completes the automatic testing and calibration of the main parameters of the optical module,which improves the testing efficiency of the optical *** automatic test platform is applied to the enterprise QSFP-DD optical module test,the results show that:the test platform meets the QSFP-DD optical module test requirements, the optical power and the standard value of the error is stable within ±2dBm,the test indicators are to meet the QSFP-DD optical module enterprise test standards,the average test module time in about 48 seconds,improve the test efficiency of optical modules,to ensure the product test performance indicators consistency. © 2025 SPIE.

关键词： Automatic testing

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design of Reliability Test for Nerve Electrode Wires of Deep Brain Stimulator

Design of Reliability Test for Nerve Electrode Wires of Deep...

引用

2024 International conference Optoelectronic Information and optical Engineering, OIOE 2024

作者： Liu, Xun Yu, Hongyi Li, Yonghua Hu, Sheng Chen, Ya Li, Chengling Department of Active Medical Device Testing Shanghai Institute of Medical Device Testing Shanghai201318 China Key Laboratory for Medical Electrical Equipment NMPA Shanghai201318 China

ISBN: (数字)9781510688209

ISBN: (纸本)9781510688193

Deep Brain Stimulator (DBS) is a long-term active implantable medical device. It is imperative to study the effects of the implantation site and the operational environment on its reliability to ensure patient safety. This study addresses the typical environmental stresses affecting DBS leads and proposes a reliable testing framework for assessing the reliability of these electrode leads. Furthermore, this work offers a practical foundation for the optimal design and quality enhancement of DBS electrode wires, providing guidance for relevant regulatory and evaluation activities within the industry. © 2025 SPIE.

关键词： Electrodes Reliability Medical devices Lead

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Exploring the educational potential: application of hologram in interactive card game design for preschoolers

Exploring the educational potential: application of hologram...

引用

2024 International conference on optical and Photonic Engineering, icOPEN 2024

作者： Liu, Guanyu Wang, Shuo Zhou, Yangbin Zhu, Zhilin Yang, Jie Holographic Arts Center Beijing Institute of Graphic Communication No.1 Xinhua Street Daxing District Beijing China

ISBN: (数字)9781510688117

ISBN: (纸本)9781510688100

This paper focuses on the field of educational games targeting children aged three to six, exploring the application of hologram in interactive card game design. It first examines the potential applications of holography in children's education, emphasizing the crucial role of interactive games in promoting children's cognitive development. Furthermore, the paper elaborates on the core principles of game design, including educational value, interactivity, entertainment, and safety, while highlighting the importance of considering children's psychological and cognitive characteristics in the design process. This study demonstrates the integration of hologram with children's educational games by introducing interactive mechanisms, visual design, narrative techniques, and educational objectives, creating game content that is both educational and entertaining. Through preliminary user testing, feedback was collected from child users and the game's impact on their cognitive abilities, creativity, and problem-solving skills was evaluated, with results supporting the potential of games in promoting children's development. Finally, the paper provides prospects for the future development of holographic interactive card games and proposes further design improvements and research directions based on testing feedback, aiming to bring innovative educational tools to the field of children's educational games. © 2025 SPIE.

关键词： Holograms

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Experimental study of strain in retired fiber optic cables based on Brillouin sensing 4

Experimental study of strain in retired fiber optic cables b...

引用

4th International Computational Imaging conference, CITA 2024

作者： Weiwei, Dou Xuebin, Feng Dongyang, Lin Mingqing, Gu Hongjie, He Chao, Han China electric power research institute China Jiangsu Electric Power Construction Co. Ltd. China Jiangsu Electric Power Co. Ltd. China

ISBN: (纸本)9781510688834

OPGW optical cables carry the vast majority of power system communication services and have a direct impact on the safety and reliability of power system communication and the power grid. Fiber optic composite overhead ground wire is greatly affected by strain, which not only affects the quality of fiber core communication, but also causes safety accidents such as cable breakage and tower collapse, seriously threatening the operation safety of the power grid. The main cause of these accidents is due to stress concentration, which occurs when the stress exceeds the design value. This article aims to simulate the different stress states of optical cables during real operation by applying different degrees of tension using Brillouin sensing technology, tensile testing machines, and pulley testing machines. The strain state of the returned optical cable is experimentally studied to analyze the causes of cable failures and provide reference and guidance for the construction of new optical cable lines. The linear correspondence between Brillouin scattering light power and frequency shift and external temperature/strain provides a theoretical basis for distributed fiber optic sensing. This article uses the principle of Brillouin sensing to design and simulate the strain changes of optical cables under different tensions during operation and different bending during construction, using returned optical cables. Repeated experiments are conducted, and the experimental results show that both horizontal tensile tension and optical cable bending will cause an increase in optical cable strain to varying degrees. When the optical cable is subjected to a horizontal tension of 60% RTS, strain begins to occur. As the horizontal tension increases, the strain also increases, and the strain suddenly increases when the horizontal tension reaches 100% RTS. Bending under a horizontal tension of 15% RTS can cause a sharp increase in optical cable strain, and repeated bending cycles will not

关键词： Tensile testing

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design of optical testing turntable data acquisition system based on LabVIEW 16

Design of optical testing turntable data acquisition system ...

引用

16th International conference on Signal Processing Systems, ICSPS 2024

作者： Jiang, Mingyang Liu, Xiang Qiao, Yajie Aerospace Life-Support Industries Ltd. China

ISBN: (纸本)9781510689251

Aiming at the problems of complicated information processing and error analysis steps and low efficiency of the existing turntable data acquisition system, an optical testing turntable data acquisition system based on LabVIEW is developed. The system uses Compact RIO hardware, which can be directly programmed by FPGA to achieve data input, output, and processing. The NI 9401 digital IO module and SEA 9510 communication module with high update rate are designed, which can respond to the external trigger signal and the high-speed image synchronization signal within 100ns, and ensure that the angle output of the encoder and the synchronization error of the high-speed image are within the required range. LabVIEW development platform is used to write system software to realize data processing, display and storage. The test results show that the acquisition system runs stably and can achieve high-level synchronization output between the encoder angle data and high-speed images, with a synchronization error of less than 0.5ms. The software realizes the simultaneous acquisition and storage mode, which verifies the accuracy and efficiency of the data collected by the turntable. © 2025 SPIE.

关键词： optical testing

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design and testing of a 400G optical transmitter

Design and testing of a 400G optical transmitter

引用

2024 International conference on Optoelectronic Materials and Devices, ICOMD 2024

作者： Song, Zeguo Yin, Xiaojie Hao, Qinfen Huang, Chetung Wuxi Institute of Interconnect Technology Co. Ltd. Wuxi China Institute of Semiconductors Chinese Academy of Sciences Beijing China Institute of Computing Technology Chinese Academy of Sciences Beijing China Product Line Management Skorpios Technologies Inc. Albuquerque United States

ISBN: (数字)9781510689046

ISBN: (纸本)9781510689039

With the large-scale application of 5G and artificial intelligence, the optical transmitter will develop to high speed and small size in the future. Aiming at the above needs, this paper proposes a 400G optical transmitter design based on silicon-based heterogeneous integration enabled by Skorpios Tru-SiPhTM technology. We first introduce the 400G optical transmitter-related protocols and standards. Then, we present the general design of the transmitter framework. Finally, we conduct a performance test, and the test results show that the transmitter is in accordance with the agreement and the provisions of the standard. The resultant optical transmitter boasts compact dimensions and high-speed capabilities, positioning it as a viable transmitting component within optical input/output frameworks. Its applicability extends to co-packaged optics and systems on wafers that demand high transmission rates. © 2025 SPIE.

关键词： Silicon wafers

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2024 2nd International conference on Engineering of optical Systems and Precision Instruments, ICEOP 2024

2024 2nd International Conference on Engineering of Optical ...

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2nd International conference on Engineering of optical Systems and Precision Instruments, ICEOP 2024

The proceedings contain 13 papers. The topics discussed include: a high precision optical-fiber temperature sensor based on fluorescence lifetime;high-yield and reproducible fabrication of high-Q optical micro-resonators on thin-film lithium niobate;parallelized collision detection algorithm for non-contact machining simulation based on space partitioning and path point equalization;infield simulation and testing method of ATP in laser anti UAV system;design of a narrow-linewidth 203-210nm UV laser source for neutral hydrogen/deuterium atomic density measurement;study on speeding up the production of flavored thread filter rods;simulation of three-dimensional polarization distribution in SERF inertial measurement atomic spin ensembles based on light field manipulation;research on vector geophone based on Michelson fiber optic interference principle;and structural design and dynamic analysis of a deep space exploration zoom camera.

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Advanced Fiber Laser conference, AFL 2024

Advanced Fiber Laser Conference, AFL 2024

引用

2024 Advanced Fiber Laser conference, AFL 2024

ISBN: (纸本)9781510688872

The proceedings contain 86 papers. The topics discussed include: research on routing technology for high dynamic optical satellite networks;design and development for power supply circuit of a low-light detection imaging system;evolution of the propagation characteristics of vortex beam in plasma sheath turbulence;research on the horizontal 1 km experimental performance based on the optical pin beams;fast synchronization of distributed power resources based on subgraph partitioning;all-fiber construction of a femtosecond erbium-doped laser and study of frequency doubling;effect of thermal history on the material structure and optical performance of Yb-doped fibers;and application of high time-resolution echelle spectrometer in transient spectral testing of energetic materials.

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Cooling design of a Three-Dimensional Cascade Extensible Digital Sub-Array

Cooling Design of a Three-Dimensional Cascade Extensible Dig...

引用

2024 International conference Optoelectronic Information and optical Engineering, OIOE 2024

作者： Yu, Shengjie Xu, Haiqi Li, Qian The 8th Research Institute of CSSC Nanjing China

ISBN: (数字)9781510688209

ISBN: (纸本)9781510688193

The sub-array is an important part of phased array radar, and its performance directly determines the performance of the phased array. For the problems of low integration, large size, high power consumption, complicated installation and poor maintenance of the brick-type module used in the traditional phased array, a novel digital sub-array is designed. It uses a sheet cold plate and a shunt structure to design the sub-array as a front "brick" and a back "Tile" structure. In view of the cooling problem of an extensible digital sub-array of a three-dimensional laminated structure, this paper uses a liquid cooling method to take away the internal heat of the sub-array at the same time, the cold plate was optimized and designed, the main heat source was theoretically calculated and simulated. Finally, the optimized digital sub-matrix was simulated and tested to achieve a better cooling effect. Through simulation and testing, the maximum temperature of the chip is 60.7℃ when the digital sub-matrix is working, which better meets the requirements. © 2025 SPIE.

关键词： Brick

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design and testing of a four-arm apple harvesting robot in Tall-Spindle structured orchard

Design and testing of a four-arm apple harvesting robot in T...

引用

2024 International conference on optical and Photonic Engineering, icOPEN 2024

作者： Lei, Xiaojie Liu, Jizhan Wang, Jie Xu, Baocheng Jiang, Houkang Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment Jiangsu University Zhenjiang China Jiangsu Province and Education Ministry Co-sponsored Synergistic Innovation Center of Modern Agricultural Equipment Jiangsu University Zhenjiang China National Digital Agricultural Equipment Artificial Intelligence and Agricultural Robotics Innovation Sub-Centre Jiangsu University Zhenjiang China

ISBN: (数字)9781510688117

ISBN: (纸本)9781510688100

With the increasing demand for high-speed mechanized operations in apple harvesting, the development of multi-arm harvesting robots for modern orchards has become a major trend in the harvesting robot industry. However, the level of agronomic standardization continues to present challenges to the advancement of existing multi-arm harvesting robots. Therefore, by analyzing the advantages and disadvantages of existing multi-arm harvesting robots and targeting the widely used Tall-Spindle apple orchards in modern China, this paper proposes a design scheme for a mobile four-arm apple harvesting robot. This design not only satisfies the demand for simultaneous four-arm picking in these scenarios, but also optimizes the allocation of tasks among the four cameras and robotic arms, thereby improving the overall picking efficiency. Experimental results indicate that the robot is capable of simultaneous four-arm harvesting in Tall-Spindle apple orchards. It successfully harvests 78.64% of the fruits within the growing range, and the average harvesting efficiency of the four arms is 3.39 fruits/s. This significantly improves the current challenges associated with the high labor intensity of manual picking. © 2025 SPIE.

关键词： Orchards

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