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检索条件"主题词=wavefront coding"
156 条 记 录,以下是61-70 订阅
Thermal imaging system using optimised wavefront coding operating in real-time
Thermal imaging system using optimised wavefront coding oper...
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Conference on Electro-Optical and Infrared Systems - Technology and Applications VII
作者: Hasler, Ian Bustin, Nicholas Price, Dave Qioptiq Ltd St Asaph LL17 0LL Denbigh Wales
A thermal imaging system has been demonstrated, which uses wavefront coding to provide an extended depth of field. Aberrations are introduced into the optical system, which are optimised to be insensitive to defocus;a... 详细信息
来源: 评论
The simulation of wavefront coding Imaging systems
The simulation of wavefront coding Imaging systems
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IEEE International Conference on Integration Technology
作者: Bin, Hui Li, Jingzlien Wu, Qmgyang Wen, Desheng Shenzhen Univ Coll Elect Sci & Technol Shenzhen Guangdong Prov Peoples R China Chinese Acad Sci Xian Inst Opt & Precis Mech Xian Peoples R China
In the domain of reconnaissance, remote sensing, etc., people want to get high resolution images. There is a conflict between the resolution and the optical system defocus. In order to acquire high resolution images, ... 详细信息
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Dynamic wavefront coding using deformable mirror  12
Dynamic wavefront coding using deformable mirror
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Conference on Optical Design and Testing XII
作者: Ding, Xuelin Dong, Liquan Zhao, Yuejin Liu, Ming Kong, Lingqin Hui, Mei Chu, Xuhong Beijing Inst Technol Sch Opt & Photon Beijing Key Lab Precis Photoelect Measuring Instr Beijing 100081 Peoples R China
Aiming at the problems of traditional wavefront coding system, such as single phase mask (modulation) and limited extended depth of field, a wavefront coding imaging system using deformable mirror (DM) is proposed to ... 详细信息
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Two dimensional surface slope metrology with enhanced spatial resolution based on wavefront coding method  8
Two dimensional surface slope metrology with enhanced spatia...
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8th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT) - Subnanometer Accuracy Measurement for Synchrotron Optics and X-Ray Optics
作者: Yang, Fugui Cai, Quan Liu, Peng Sheng, Weifan Zhang, Xiaowei Li, Ming Inst High Energy Phys Being Synchrotron Radiat Facil Beijing 100049 Peoples R China
The quality of X-ray optics on beamline is a key factor that limits the performance of the beam line to play. For X-ray mirror surface characterization with high accuracy, long trace profiler and NOM for flat or sligh... 详细信息
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Efficient Computation of the Strehl Ratio for the wavefront coding System with The Rotationally Symmetric Phase Mask  10
Efficient Computation of the Strehl Ratio for the Wavefront ...
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10th International Conference on Digital Image Processing (ICDIP)
作者: Chen, Xinhua Wang, Xiaofeng Shen, Weimin Soochow Univ Coll Phys Optoelect & Energy Suzhou 215006 Peoples R China Soochow Univ Key Lab Adv Opt Mfg Technol Jiangsu Prov Educ Minist China Suzhou 215006 Peoples R China Soochow Univ Key Lab Modern Opt Technol Educ Minist China Suzhou 215006 Peoples R China
The Strehl ratio (SR) describes the ratio of the on-axis intensity between the aberrated system and the diffraction limited system. It can be used to build the merit function for the optimization of phase mask in the ... 详细信息
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The effect on tolerance distributing of an off-axis three mirror anastigmatic optical system with wavefront coding technology
The effect on tolerance distributing of an off-axis three mi...
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2nd Conference on Optical System Alignment and Tolerancing
作者: Yan Feng Zhang Xue-jun Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys Opt Technol Res Ctr Changchun 130033 Peoples R China
The wavefront coding technology is known as a system-level technology which can extend the depth of focus of optical system by innovative optical design and image restoration. This technology can control misfocus rela... 详细信息
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Compound eye image scanner optimally arranged for image combining and suppressing axial chromatic aberration by wavefront coding
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OPTICAL ENGINEERING 2021年 第4期60卷 043103-043103页
作者: Kawano, Hiroyuki Takushima, Shigeru Toyoda, Yoshitaka Sugano, Miki Matsuzawa, Taku Mitsubishi Electr Corp Adv R&D Ctr Amagasaki Hyogo Japan Mitsubishi Electr Corp Commun Syst Ctr Amagasaki Hyogo Japan
A compound eye optical system design allows us to construct a compact image scanner with a large field of view and a large depth of field, both of which are beneficial for use in a copier's flatbed scanner. Our pr... 详细信息
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Development of cubic freeform optical surface for wavefront coding application for extended depth of field Infrared camera
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INFRARED PHYSICS & TECHNOLOGY 2022年 127卷
作者: Pant, L. M. Singh, M. P. Chandra, Kanchan Mishra, Vinod Pandey, Neeraj Pant, K. K. Khan, Gufran S. Sakher, Chandra Instruments Res & Dev Estab Dehra Dun 248008 Uttarakhand India IIT Delhi Ctr Sensors Instrumentat & Cyber Phys Syst Engn S New Delhi 110016 India Cent Sci Instruments Organiat Chandigarh 160030 India
Freeform surfaces are being developed for number of applications like illumination systems, compact projection systems, head up display, ophthalmic and automotive industries. One of the important use of such surfaces ... 详细信息
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The correction of dynamic aero-optical aberration of optical dome at different altitudes using wavefront coding
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OPTIK 2022年 252卷 168535-168535页
作者: Yu, Jiaqian Fan, Zhigang Harbin Inst Technol Res Ctr Space Opt Engn Harbin 150001 Heilongjiang Peoples R China
In our previous published paper [Opt. Commun. 490, 126876 (2021)], we proposed a method to correct the optical dome's aero-optical aberration using wavefront coding (WFC). The simulation results were carried out u... 详细信息
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Optical Aberration Calibration and Correction of Photographic System Based on wavefront coding
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SENSORS 2021年 第12期21卷 4011-4011页
作者: Yao, Chuanwei Shen, Yibing Zhejiang Univ State Key Lab Modern Opt Instrumentat Hangzhou 310027 Peoples R China
The image deconvolution technique can recover potential sharp images from blurred images affected by aberrations. Obtaining the point spread function (PSF) of the imaging system accurately is a prerequisite for robust... 详细信息
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