Works matching DE "FOCAL length"

Results: 787

Broadband Achromatic Hybrid Metalens Module with 100° Field of View for Visible Imaging.

Published in:

Sensors (14248220), 2025, v. 25, n. 10, p. 3202, doi. 10.3390/s25103202

By:

Wu, Peixuan;
Li, Xingyi;
Xing, Yuanyuan;
Wang, Jiaojiao;
Zheng, Wujie;
Wang, Zekun;
Ma, Yaoguang

Publication type:

Article

Optical Camera Characterization for Feature-Based Navigation in Lunar Orbit.

Published in:

Aerospace (MDPI Publishing), 2025, v. 12, n. 5, p. 374, doi. 10.3390/aerospace12050374

By:

Federici, Pierluigi;
Genova, Antonio;
Andolfo, Simone;
Ciambellini, Martina;
Teodori, Riccardo;
Torrini, Tommaso

Publication type:

Article

The cover page.

Published in:: 2019
Publication type:: journal article

The cover page.

Published in:: Neurology India, 2019, v. 67, p. 1, doi. 10.4103/0028-3886.250722
Publication type:: Article

A Photogrammetric Approach for Stability Analysis of Weathered Rock Slopes.

Published in:

Geotechnical & Geological Engineering, 2015, v. 33, n. 3, p. 443, doi. 10.1007/s10706-014-9830-z

By:

Kim, Dong;
Gratchev, Ivan;
Balasubramaniam, Arumugam

Publication type:

Article

Kottamia Faint Imaging Spectro-Polarimeter (KFISP): opto-mechanical design, software control and performance analysis.

Published in:

Experimental Astronomy, 2022, v. 53, n. 1, p. 45, doi. 10.1007/s10686-021-09802-z

By:

Azzam, Yosry A.;
Elnagahy, F. I. Y.;
Ali, Gamal B.;
Essam, A.;
Saad, Somaya;
Ismail, Hamed;
Zead, I.;
Ahmed, Nasser M.;
Yoshida, Michitoshi;
Kawabata, Koji S.;
Akitaya, Hiroshi;
Shokry, A.;
Hendy, Y. H. M.;
Takey, Ali;
Hamed, G. M.;
Mack, Peter

Publication type:

Article

Algorithm for calculating anastigmatic three-mirror telescopes. II. Spherical primary mirror case.

Published in:

Experimental Astronomy, 2021, v. 51, n. 2, p. 383, doi. 10.1007/s10686-021-09736-6

By:

Terebizh, V. Yu.

Publication type:

Article

Algorithm for calculating anastigmatic three-mirror telescopes.

Published in:

Experimental Astronomy, 2020, v. 49, n. 1/2, p. 85, doi. 10.1007/s10686-020-09652-1

By:

Terebizh, V. Yu.

Publication type:

Article

Hyper-velocity impact risk assessment and mitigation strategies in the context of future X-ray astronomy missions.

Published in:

Experimental Astronomy, 2017, v. 44, n. 3, p. 337, doi. 10.1007/s10686-017-9546-1

By:

Perinati, Emanuele;
Rott, Martin;
Santangelo, Andrea;
Tenzer, Chris

Publication type:

Article

Focus distance estimation from photographed faces: a test of PerspectiveX using 1709 frontal and profile photographs from DSLR and smartphone cameras.

Published in:

International Journal of Legal Medicine, 2023, v. 137, n. 6, p. 1907, doi. 10.1007/s00414-023-03078-y

By:

Healy, Sean S.;
Stephan, Carl N.

Publication type:

Article

Craniofacial superimposition: a review of focus distance estimation methods and an extension to profile view photographs.

Published in:

International Journal of Legal Medicine, 2022, v. 136, n. 6, p. 1697, doi. 10.1007/s00414-022-02871-5

By:

Stephan, Carl N.;
Healy, Sean;
Bultitude, Hamish;
Glen, Chris

Publication type:

Article

Calculating Parameters of Pinhole in Collimation System of Albedo Computed Tomography of Steel Products.

Published in:

Russian Journal of Nondestructive Testing, 2020, v. 56, n. 2, p. 171, doi. 10.1134/S1061830920020102

By:

Zhuravskii, E. E.;
Kapranov, B. I.;
Belkin, D. S.;
Chakhlov, S. V.;
Shtein, A. M.

Publication type:

Article

Research on Four-View Location Method of Foreign Objects in the Gap between Rail Transit Platform Doors and Trains.

Published in:

Railway Standard Design, 2023, v. 67, n. 8, p. 147, doi. 10.13238/j.issn.1004-2954.202203240001

By:

LIU Weiming;
LI Guanjin;
WANG Liang;
MAO Liang;
QIU Qisheng;
LING Guangzheng

Publication type:

Article

基于超表面空间光调控的教学仿真实验设计.

Published in:

Experimental Technology & Management, 2023, v. 40, n. 3, p. 119, doi. 10.16791/j.cnki.sjg.2023.03.020

By:

李慧宇;
王玉;
荆日星;
胡国庆;
陈广伟;
何巍;
赵爽;
周哲海

Publication type:

Article

3D MODELING OF LUNAR PIT WALLS FROM STEREO IMAGES.

Published in:

LPI Contribution, 2019, p. 1

By:

Wagner, R. V.;
Manheim, M. R.;
Robinson, M. S.

Publication type:

Article

Optical and thermal performance of a uniaxial bidirectional tracked linear‐focusing Fresnel lens solar concentrator.

Published in:

International Journal of Energy Research, 2022, v. 46, n. 13, p. 18768, doi. 10.1002/er.8496

By:

Liang, Shen;
He, Qian;
Zheng, Hongfei;
Zhao, Zhiyong;
Kang, Huifang;
Ma, Xinglong;
Wang, Ge

Publication type:

Article

Coupled optical and thermal analysis of large aperture parabolic trough solar collector.

Published in:

International Journal of Energy Research, 2021, v. 45, n. 3, p. 4630, doi. 10.1002/er.6128

By:

Malan, Anish;
K., Ravi Kumar

Publication type:

Article

Design and experimental verification on a deformable underwater solar concentrator with bi‐layer film structure.

Published in:

International Journal of Energy Research, 2020, v. 44, n. 13, p. 10320, doi. 10.1002/er.5655

By:

Liang, Shen;
Zheng, Hongfei;
Cui, Dandan;
Ma, Xinglong

Publication type:

Article

Design of Fresnel lens with spherical facets for concentrated solar power applications.

Published in:

International Journal of Energy Research, 2020, v. 44, n. 1, p. 460, doi. 10.1002/er.4947

By:

Awasthi, Kuldeep;
Reddy, Desireddy Shashidhar;
Khan, Mohd. Kaleem

Publication type:

Article

高空摄影测量在三维场景虚拟建模中的应用研究.

Published in:

Journal of Central China Normal University, 2023, v. 57, n. 2, p. 310, doi. 10.19603/j.cnki.1000-1190.2023.02.016

By:

陈伟;
官彬

Publication type:

Article

Reflective imaging, on-axis laser heating and radiospectrometry of samples in diamond anvil cells with a parabolic mirror.

Published in:

High Pressure Research, 2021, v. 41, n. 2, p. 142, doi. 10.1080/08957959.2021.1921173

By:

Spiekermann, Georg;
Libon, Lélia;
Albers, Christian;
Sakrowski, Robin;
Petitgirard, Sylvain;
Sahle, Christoph J.;
Sundermann, Martin;
Gretarsson, Hlynur;
Sergueev, Ilya;
Sternemann, Christian;
Wilke, Max;
Murakami, Motohiko

Publication type:

Article

Airborne Constant Ground Resolution Imaging Optical System Design.

Published in:

Photonics, 2025, v. 12, n. 4, p. 390, doi. 10.3390/photonics12040390

By:

Yang, Zhiqiang;
Gao, Shizhen;
Chen, Qianxi;
Wu, Bohan;
Xu, Qiang;
Gong, Lei;
Yang, Lihong

Publication type:

Article

Numerical Study of Non-Schell Model Pulses in Nonlinear Dispersive Media with the Monte Carlo-Based Pseudo-Mode Superposition Method.

Published in:

Photonics, 2025, v. 12, n. 3, p. 236, doi. 10.3390/photonics12030236

By:

Ma, Pujuan;
Zhang, Yi;
Bai, Yanlin;
Cai, Yangjian;
Liu, Jingsong

Publication type:

Article

Adaptive Varifocal Lenses Based on Dielectric Elastomer Actuator.

Published in:

Photonics, 2025, v. 12, n. 3, p. 227, doi. 10.3390/photonics12030227

By:

Li, Shibiao;
Liu, Lin;
Xing, Haoyue;
Li, Zhaohui;
Cheng, Yang

Publication type:

Article

Design and Investigation of Linearly Polarized Modal Next-Generation Passive Optical Network–Free Space Optics System Considering Fiber-Wireless Link Losses.

Published in:

Photonics, 2025, v. 12, n. 3, p. 223, doi. 10.3390/photonics12030223

By:

Kumari, Meet;
Mishra, Satyendra K.

Publication type:

Article

Non-Uniform Microlens Array Based on Photonic Nanojets for Remote Raman Sensing of Subsurface Analytes.

Published in:

Photonics, 2025, v. 12, n. 3, p. 180, doi. 10.3390/photonics12030180

By:

Li, Xiang-Yu;
Lin, Han-Yu;
Ye, Wen-Ding;
You, En-Ming;
Liu, Jing

Publication type:

Article

Design of a Freeform Surface Optical Detection System with a Square Aperture.

Published in:

Photonics, 2025, v. 12, n. 2, p. 116, doi. 10.3390/photonics12020116

By:

Zhao, Hongkai;
Mao, Xianglong

Publication type:

Article

Zoom Auxiliary Imaging Lens Design for a Modulation Transfer Function Test System.

Published in:

Photonics, 2025, v. 12, n. 1, p. 53, doi. 10.3390/photonics12010053

By:

Sheng, Yicheng;
Xu, Sihan;
Zhang, Caishi;
Su, Binghua;
Cao, Dingxiang;
Chen, Zhe

Publication type:

Article

Visible Light Broadband Achromatic Metalens Based on Variable Height Nanopillar Structures.

Published in:

Photonics, 2025, v. 12, n. 1, p. 31, doi. 10.3390/photonics12010031

By:

Li, Yongyang;
Huang, Haiyang;
Zhang, Cong;
Shang, Xiangshuo;
Liu, Yang;
Hu, Junyan;
Shan, Dengyu;
Tang, Naiyun;
Li, Wei

Publication type:

Article

Polarization-Independent Focusing Vortex Beam Generation Based on Ultra-Thin Spiral Diffractive Lens on Fiber End-Facet.

Published in:

Photonics, 2024, v. 11, n. 12, p. 1167, doi. 10.3390/photonics11121167

By:

Wu, Luping;
Bai, Zhiyong;
Liu, Rui;
Wang, Yuji;
Yu, Jian;
Ran, Jianjun;
Chen, Zikai;
Luo, Zilun;
Liao, Changrui;
Wang, Ying;
He, Jun;
Chen, George Y.;
Wang, Yiping

Publication type:

Article

Research on Support Structure of Rectangular Cryogenic Infrared Lens with Large Aperture.

Published in:

Photonics, 2024, v. 11, n. 11, p. 1084, doi. 10.3390/photonics11111084

By:

Shao, Mingdong;
Guo, Jiang;
Qi, Hongyu;
Pang, Xinyuan;
Li, Yibo

Publication type:

Article

Optical System Design of a Self-Calibrating Real Entrance Pupil Imaging Spectrometer.

Published in:

Photonics, 2024, v. 11, n. 11, p. 1072, doi. 10.3390/photonics11111072

By:

Wang, Xinrui;
Li, Xin;
Zhang, Quan;
Shi, Yuanjian;
Wei, Wei;
Liu, Enchao

Publication type:

Article

Relationship Between Aberration Coefficients of an Optical Device and Its Focusing Property.

Published in:

Photonics, 2024, v. 11, n. 11, p. 1040, doi. 10.3390/photonics11111040

By:

Aït-Ameur, Kamel;
Hasnaoui, Abdelkrim

Publication type:

Article

Optimal Design of Small-Aperture Optical Terminals for Free-Space Links.

Published in:

Photonics, 2024, v. 11, n. 11, p. 1035, doi. 10.3390/photonics11111035

By:

Frost, Alex;
Dix-Matthews, Benjamin;
Walsh, Shane;
Gozzard, David;
Schediwy, Sascha

Publication type:

Article

The Effect of Lens Focal Length on the Output Characteristics of 1.55 μm Tunable External-Cavity Semiconductor Lasers.

Published in:

Photonics, 2024, v. 11, n. 9, p. 809, doi. 10.3390/photonics11090809

By:

Li, Xuan;
Zhang, Linyu;
Luo, Wei;
Shi, Junce;
Zheng, Zhaoxuan;
Kong, Huiyin;
Qiu, Meiye;
Sun, Kangxun;
Li, Zaijin;
Qu, Yi;
Qiao, Zhongliang;
Li, Lin

Publication type:

Article

A 2.8 W Single-Frequency Laser Output at 1064 nm from a Gradient-Doped Composite Ceramic Non-Planar Ring Oscillator.

Published in:

Photonics, 2024, v. 11, n. 8, p. 757, doi. 10.3390/photonics11080757

By:

Gao, Mingwei;
Ding, Yibo;
Wang, Qing;
Wang, Lei;
Gao, Yuan;
Wang, Junping;
Ji, Haohao;
Zhang, Jian;
Gao, Chunqing

Publication type:

Article

Laser Scanning Method for Time-Resolved Measurements of Wavefront Distortion Introduced by Active Elements in High-Power Laser Amplifiers.

Published in:

Photonics, 2024, v. 11, n. 8, p. 748, doi. 10.3390/photonics11080748

By:

Kuptsova, Alyona O.;
Kuptsov, Gleb V.;
Petrov, Vladimir A.;
Atuchin, Victor V.;
Petrov, Victor V.

Publication type:

Article

Athermal and Apochromatic Design of Equivalent Two-Component Optical System in 3D Glass Diagram.

Published in:

Photonics, 2024, v. 11, n. 8, p. 719, doi. 10.3390/photonics11080719

By:

Ma, Yingjun;
Yang, Hongtao;
Chen, Weining;
Peng, Jianwei;
Guo, Huinan;
Zhang, Guangdong

Publication type:

Article

High-Power External Spatial Beam Combining of 7-Channel Quantum Cascade Lasers Emitting at ~8.5 μm.

Published in:

Photonics, 2024, v. 11, n. 6, p. 513, doi. 10.3390/photonics11060513

By:

Dong, Haibo;
Zhou, Xuyan;
Hu, Man;
Ma, Yuan;
Qi, Aiyi;
Zhang, Weiqiao;
Zheng, Wanhua

Publication type:

Article

The Generation of Equal-Intensity and Multi-Focus Optical Vortices by a Composite Spiral Zone Plate.

Published in:

Photonics, 2024, v. 11, n. 5, p. 466, doi. 10.3390/photonics11050466

By:

Zang, Huaping;
Li, Jingzhe;
Zheng, Chenglong;
Tian, Yongzhi;
Wei, Lai;
Fan, Quanping;
Wang, Shaoyi;
Wang, Chuanke;
Xie, Juan;
Cao, Leifeng

Publication type:

Article

Dynamic Polarization Patterning Technique for High-Quality Liquid Crystal Planar Optics.

Published in:

Photonics, 2024, v. 11, n. 4, p. 350, doi. 10.3390/photonics11040350

By:

Qin, Xinwei;
Zhao, Keyang;
Zhang, Xin-jun;
Zhou, Xiaohong;
Huang, Wenbin;
Chen, Linsen

Publication type:

Article

Research on Monocular Depth Sensing Method Based on Liquid Zoom Imaging.

Published in:

Photonics, 2024, v. 11, n. 4, p. 353, doi. 10.3390/photonics11040353

By:

Gan, Zihao;
Liu, Zhaoyang;
Liu, Bin;
Lv, Jianming;
Zhang, Meng;
Hong, Huajie

Publication type:

Article

Design Method for Freeform Off-Axis Three-Mirror Anastigmat Optical Systems with a Large Field of View and Low Error Sensitivity.

Published in:

Photonics, 2024, v. 11, n. 3, p. 211, doi. 10.3390/photonics11030211

By:

Ren, Chengming;
Meng, Qingyu

Publication type:

Article

Optical–Mechanical Integration Analysis and Validation of LiDAR Integrated Systems with a Small Field of View and High Repetition Frequency.

Published in:

Photonics, 2024, v. 11, n. 2, p. 179, doi. 10.3390/photonics11020179

By:

Li, Lu;
Xing, Kunming;
Zhao, Ming;
Wang, Bangxin;
Chen, Jianfeng;
Zhuang, Peng

Publication type:

Article

The SMILE Effect in the Beam Propagation Direction Affects the Beam Shaping of a Semiconductor Laser Bar Array.

Published in:

Photonics, 2024, v. 11, n. 2, p. 161, doi. 10.3390/photonics11020161

By:

Zhang, Hongyou;
Hu, Yu;
Peng, Shuihai;
Liu, Yong

Publication type:

Article

Deep Learning for Polarization Optical System Automated Design.

Published in:

Photonics, 2024, v. 11, n. 2, p. 164, doi. 10.3390/photonics11020164

By:

Shi, Haodong;
Fan, Ruihan;
He, Chunfeng;
Wang, Jiayu;
Yang, Shuai;
Xu, Miao;
Sun, Hongyu;
Li, Yingchao;
Fu, Qiang

Publication type:

Article

Design of a Spaceborne, Compact, Off-Axis, Multi-Mirror Optical System Based on Freeform Surfaces.

Published in:

Photonics, 2024, v. 11, n. 1, p. 51, doi. 10.3390/photonics11010051

By:

Wang, Baohua;
Wang, Xiaoyong;
Jiang, Huilin;
Wang, Yuanyuan;
Yang, Chao;
Meng, Yao

Publication type:

Article

382 mW External-Cavity Frequency Doubling 461 nm Laser Based on Quasi-Phase Matching.

Published in:

Photonics, 2024, v. 11, n. 1, p. 40, doi. 10.3390/photonics11010040

By:

Chen, Yingxin;
Zhao, Guodong;
Tan, Wei;
Chang, Hong

Publication type:

Article

Performance Analysis of a Single Light Source Bidirectional Visible Light Communication Reverse Reflection Link.

Published in:

Photonics, 2024, v. 11, n. 1, p. 18, doi. 10.3390/photonics11010018

By:

Zhang, Ying;
Ren, Jiawei;
Li, Kexin;
Mou, Haibo

Publication type:

Article

Generation of Perfect Vortex Beams with Complete Control over the Ring Radius and Ring Width.

Published in:

Photonics, 2023, v. 10, n. 12, p. 1382, doi. 10.3390/photonics10121382

By:

Tao, Xin;
Liang, Yong;
Zhang, Shirui;
Li, Yueqing;
Guo, Minghao;
Li, Peng

Publication type:

Article