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检索条件"任意字段=Conference on Optical Design and Testing X"

共 3529 条记录，以下是1-10 订阅

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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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25 years of current developments in lens design and optical engineering: a review 25

25 years of current developments in lens design and optical ...

引用

conference on Current Developments in Lens design and optical Engineering xxV

作者： Thibault, Simon Univ Laval COPL Quebec City PQ Canada

ISBN: (纸本)9781510679221;9781510679238

These days, nothing lasts very long, and things often change for the better, but there are sure things in our community, such as this annual event, which has been going on for 25 years. The first edition in 2000 of the Current Developments in Lens design and optical Systems Engineering conference took place during International Symposium on optical science and technology, 30 July - 4 August 2000 in San Diego. Over 45 oral presentations and ten posters were presented. The chairs were Robert E. Fischer, Warren J. Smith, R. Barry Johnson, and William H. Swantner. The proceeding was numbered 4093 and 24 years later the number is 12666 (2023). This paper looks back on the great moments of our conference, its speakers, the subjects that have come and gone, and those that have remained.

关键词： History lens design optical engineering aberration instrumentation assembly testing metrology

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design of cascaded diffractive optical elements operating at several wavelengths for generating color images and solving classification problems 14

Design of cascaded diffractive optical elements operating at...

引用

2024 conference on optical design and testing

作者： Doskolovich, Leonid L. Motz, Georgy A. Soshnikov, Daniil V. Byzov, Egor V. Bezus, Evgeni A. Bykov, Dmitriy A. Natl Res Ctr Kurchatov Inst Image Proc Syst Inst 151 Molodogvardeyskaya St Samara 443001 Russia Samara Natl Res Univ 34 Moskovskoye Shosse Samara 443086 Russia

ISBN: (纸本)9781510682023;9781510682030

We consider the design of cascaded phase diffractive optical elements (DOEs) operating at several different wavelengths. The problem of DOE design is formulated as the problem of minimizing a certain error functional that depends on the functions of diffractive microrelief height of the cascaded DOE and evaluates its performance at different design wavelengths. Explicit expressions are obtained for the Frechet derivatives of the error functional. The presented expressions for the derivatives of the error functional constitute the basis for gradient design of cascaded multiwavelength DOEs in various problems including the beam shaping and optical classification problems. As particular example, we consider the calculation of cascaded DOEs focusing radiation of three different wavelengths into different letter-shaped areas.

关键词： Diffractive optical element inverse problem scalar diffraction theory gradient method

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design, manufacturing and testing of a compact annular telescope 9

Design, manufacturing and testing of a compact annular teles...

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conference on optical design and Engineering Ix

作者： Mathieu, Karine Berthon, Jacques Mouricaud, Daniel Vavrille, Jean-Luc Daire, Benjamin Ctr Natl Etud Spatiales CNES 18 Av Edouard Belin F-31401 Toulouse France SAVIMEX 1 Ave Louison Bobet F-06130 Grasse France

ISBN: (纸本)9781510673571;9781510673564

With the aim of constantly reducing the prices and manufacturing times of space optical instruments, CNES has carried out research and development activities to evaluate new optical concepts for medium-resolution imaging applications. In reality, this study had two objectives. The first consisted of defining a disruptive optical architecture to significantly improve the compactness of telescopes. For this, we decided to target annular telescopes, which offer great compactness with a large numerical aperture, very interesting characteristics for small instruments. The second objective sought was to test a new manufacturing process, which will speed up production times. This is why the diamond turning point was chosen to create the prototype. We will therefore first present the optical design compromise between two interesting solutions for imaging applications. Detailed analyses were performed with optical software tools to prepare manufacturing files. In a second part, a description of the finalized prototype will be provided. It will focus on the opto-mechanical principle but also on the manufacturing quality obtained with diamond machining. Finally, we will detail all the characterizations on the prototype with and without sensor: optical performances evaluated in the laboratory as well as a set of images acquired on different realistic scenes. We will conclude and present perspectives for future versions.

关键词： telescope annular imagery diamond turning

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Polarization multiplexing techniques in optical testing 14

Polarization multiplexing techniques in optical testing

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optical design and testing xIV 2024

作者： Joo, Ki-Nam Park, Hyo Mi Jeong, Hyo Bin Kim, Daewook Guthery, Charlotte E. Mayer, Luke D. Ghim, Young-Sik Dept. of Photonic Engineering Chosun Univ. 309 Pilmun-daero Dong-gu Gwangju61452 Korea Republic of James Wyant College of Optical Sciences Univ. of Arizona 1630 E. University Blvd TucsonAZ85721 United States Science Town Daejeon34113 Korea Republic of

ISBN: (数字)9781510682030

ISBN: (纸本)9781510682023

In this investigation, a polarization multiplexing technique is applied to optical testing, especially shearing interferometers, low coherence interferometers and a clocking motion interpreter. Polarization multiplexing techniques possess the snapshot capability in interferometers and polarization imaging devices, and can enhance the measurement speed compared to the conventional optical techniques, which needs a timely-mannered procedure. Experimental results show the various application of the polarization multiplexing technique and give some insight to be used in optical testing area. © 2024 SPIE.

关键词： optical testing

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A design method of anamorphic optical system 13

A design method of anamorphic optical system

引用

conference on optical design and testing xIII

作者： Wu Qing Shi Guangwei Zhang xin Zhang Jianping Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys Changchun 130033 Peoples R China Univ Chinese Acad Sci Beijing 100049 Peoples R China

ISBN: (纸本)9781510667792;9781510667808

Anamorphic optical system has double-plane symmetry. it's focal length in the two symmetry planes are different. The anamorphic optical system can obtain a wider field of view when using sensors of conventional size. Based on the first-order aberration characteristics of anamorphic optical systems, a method for designing anamorphic optical systems is proposed in this paper. An anamorphic optical system is designed by using Biconic Surface.

关键词： Lens design Anamorphic optical system Biconic surface

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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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Reducing system tolerance sensitivity by controlling the stability of the chief ray 13

Reducing system tolerance sensitivity by controlling the sta...

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conference on optical design and testing xIII

作者： Zhou, Zhenxing Li, xiaotong Luo, Yimou Zhejiang Univ State Key Lab Extreme Photon & Instrumentat Hangzhou 310027 Peoples R China

ISBN: (纸本)9781510667792;9781510667808

optical systems with high tolerance sensitivity can be significantly affected by errors in manufacturing and assembly. By discussing the change in the ray position on the image surface caused by the system tolerance, we propose a scheme by controlling the change of the chief ray on the image surface as little as possible with the chief ray drift, which is called the stability of the chief ray, to reduce the tolerance sensitivity. The effectiveness of the method is demonstrated by a design example. Since it is based on controlling the real rays of the optical system, this method can theoretically be applied to all optical systems design.

关键词： optical design tolerance sensitivity the chief ray drift optimization

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design and fabrication of an off-axis Fresnel-type reflector by using 3D printing 8

Design and fabrication of an off-axis Fresnel-type reflector...

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conference on optical Fabrication and testing VIII

作者： Avendano-Alejo, Maximino Jimenez-Rodriguez, Martin Velazquez-Gomez, Ismael Ponce-Hernandez, Osvaldo Univ Nacl Autonoma Mexico Inst Ciencias Aplicadas & Tecnol Circuito Ext S-NCd Univ Ciudad De Mexico 04510 Mexico Univ Nacl Autonoma Mexico Div Estudios Posgrad Fac Ingn Apdo Postal 70-186 Cd De Mexico 04510 Mexico

ISBN: (纸本)9781510673618;9781510673601

In this work we propose a procedure to divide a regular off-axis conic surface, which defines the parent surface represented by a parametric equation, in order to describe the optical surface for an off-axis Fresnel-type reflector, in such a way that this mathematical representation allows us to implement an exact ray trace considering a plane wavefront incident on the surface. Additionally, we can simulate the performance of a preliminary prototype proposed for designing a solar collector.

关键词： Off-axis Fresnel Reflector Nonimaging Optics Solar Concentrator optical design Flat Optics

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design of a planar off-axis null-screen for characterization of a concave surface used in a seismic isolation device 8

Design of a planar off-axis null-screen for characterization...

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conference on optical Fabrication and testing VIII

作者： Campos-Garcia, Manuel Bautista-Clemente, Francisco Javier Pantoja-Arredondo, Luis Angel Espinoza-Nava, Ulises Edmundo Guerrero-Bobadilla, Hector Huerta-Carranza, Oliver Univ Nacl Autonoma Mexico Inst Ciencias Aplicadas & Tecnol Circuito Exterior S-NCiudad Univ Mexico City 04510 DF Mexico Univ Nacl Autonoma Mexico Inst Ingn Circuito Exterior S-NCiudad Univ Mexico City 04510 DF Mexico Inst Nacl Astrofis Opt & Electr Apdo Postal 216 Puebla 72000 Pue Mexico

ISBN: (纸本)9781510673618;9781510673601

This work proposes the design of an off-axis null-screen that is displayed on an LCD screen and allows characterizing the surface quality of a sliding seismic isolator. For this purpose, we design a null-screen with a pattern of quasi-elliptical dots drawn on it, so that its image, which is formed by reflection on the concave surface, becomes a precise set of circular targets if the surface under test coincides with the designed surface. It is discussed how to integrate the off-axis measurement system to calibrate it by testing a reflecting concave surface, as a result optical parameters are obtained, at the surface vertex, such as radius of curvature, conic constant, and some deformation coefficients necessary for the characterization of the deformations associated to the test surface with respect to the design surface. Finally, based on the preliminary results, the advantages and disadvantages of the proposed test are discussed.

关键词： Null-screen method optical Metrology Seismic Isolation

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