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Multiple-wavelength range-gated active imaging principle integrating spectral information for fifth-dimensional imaging 集成光谱信息的多波长范围门控主动成像原理，用于第五维成像
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.1364/ao.504902
A. Matwyschuk
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引用次数: 0
Research on High-Bandwidth Tilt-Tip Mirror with Octagonal Prism Flexible Mechanism 带八角棱镜柔性机构的高带宽倾斜镜研究
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.1364/ao.507687
Xingyu Xu, JiuBa Ge, Ming Hu, Qi Zhang, Hongyan Wang, Jingjing Wu, Huaxin Zhu, lifa hu
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引用次数: 0
Microhardness and Gloss of a New CAD/CAM Hybrid Material Following Accelerated Aging and Coffee Immersion. 加速老化和咖啡浸泡后新型 CAD/CAM 混合材料的显微硬度和光泽度。
4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.11607/ijp.7726
Mohammad D Al Amri, Nawaf Labban, Saleh M Alhijji, Hassan Alamri, Mounir Iskandar, Jeffrey A Platt

Purpose: To evaluate and compare the effect of accelerated aging and coffee immersion on the microhardness and gloss of a new computer-aided design and computer-aided manufacturing (CAD/CAM) hybrid material (Crystal Ultra) to those of contemporary restorative materials.

Materials and methods: A total of 160 specimens (12 × 14 × 1 mm ± 0.05 mm) were obtained from IPS e.max (IPS), VITA Enamic (VE), Crystal Ultra (CU), Lava Ultimate (LU), and CeraSmart (CS) high-translucency CAD/CAM blocks. The Vickers microhardness and gloss of the specimens were determined after thermocycling and coffee immersion. Data analysis was performed using SPSS (α = .05).

Results: IPS and CS specimens exhibited the highest (572.66 ± 11.30) and lowest (61.92 ± 3.91) microhardness, respectively. The highest gloss was observed with IPS specimens (3.31 ± 0.32), and LU specimens showed the lowest gloss (2.33 ± 0.06). A significant difference in gloss was observed between the materials at all measurement intervals (P < .01), except at T0 (P = .43). IPS specimens showed no significant changes in either group at any measurement interval.

Conclusions: The microhardness and gloss of the new CU material were comparable to those of the tested contemporary hybrid restorative materials. Glass-ceramic showed superior hardness and gloss compared to hybrid restorative materials. Accelerated aging with thermocycling and staining significantly affected the microhardness and gloss of all tested CAD/CAM materials.

目的：评估和比较加速老化和咖啡浸泡对新型计算机辅助设计和计算机辅助制造（CAD/CAM）混合材料（Crystal Ultra）与当代修复材料的显微硬度和光泽度的影响：从 IPS e.max (IPS)、VITA Enamic (VE)、Crystal Ultra (CU)、Lava Ultimate (LU) 和 CeraSmart (CS) 高透明度 CAD/CAM 块体中获得了 160 个试样（12 × 14 × 1 mm ± 0.05 mm）。试样的维氏硬度和光泽度是在热循环和咖啡浸泡后测定的。使用 SPSS 进行数据分析（α = .05）：结果：IPS 和 CS 试样的显微硬度分别最高（572.66 ± 11.30）和最低（61.92 ± 3.91）。IPS 试样的光泽度最高（3.31 ± 0.32），LU 试样的光泽度最低（2.33 ± 0.06）。除 T0（P = 0.43）外，在所有测量时间间隔内，不同材料的光泽度均存在明显差异（P < 0.01）。IPS 试样在任何测量时间间隔内均无明显变化：结论：新型 CU 材料的微硬度和光泽度与测试过的当代混合修复材料相当。玻璃陶瓷的硬度和光泽度均优于混合修复材料。热循环加速老化和染色会显著影响所有受测 CAD/CAM 材料的显微硬度和光泽度。
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引用次数: 0
Optical 2-Bit Nanoscale Multiplier Using MIM Waveguides 使用 MIM 波导的 2 位纳米级光学倍增器
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.1364/ao.514642
Y. Nukhailawi, Nashwan.J. Hussein
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引用次数: 0
Regularized Cost Function in Wavefront Shaping for Advancing Contrast of Structured Light 波前整形中的正规化成本函数，用于提高结构光的对比度
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.1364/ao.506920
Amit Kumar, Himanshu Jain, Abhishek Paul, Sarvesh Thakur, Samir Biswas
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引用次数: 0
Resolution improvement in an aerial imaging by retroreflector using micro aperture arrays 利用微孔径阵列反向反射器提高航空成像分辨率
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-18 DOI: 10.1364/ao.509984
Jiahua Chen, Yangui Zhou, Jinqiao Hou, Min Jiang, Yongyao Li, Hexiang He
{"title":"Resolution improvement in an aerial imaging by retroreflector using micro aperture arrays","authors":"Jiahua Chen, Yangui Zhou, Jinqiao Hou, Min Jiang, Yongyao Li, Hexiang He","doi":"10.1364/ao.509984","DOIUrl":"https://doi.org/10.1364/ao.509984","url":null,"abstract":"","PeriodicalId":8092,"journal":{"name":"Applied optics","volume":" 10","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138994744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Research on improved Shi-Tomasi sub-pixel corner detection based on super-wide field of view infrared image 基于超宽视场红外图像的改进型 Shi-Tomasi 亚像素拐角检测研究
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-15 DOI: 10.1364/ao.511181
Dongdong Shi, Fuyu Huang, Leilei Jia, Yuandong Niu, Limin Liu
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引用次数: 0
Research on Hollow-core Terahertz Bragg Waveguide based on Helical Support Structure 基于螺旋支撑结构的空芯太赫兹布拉格波导研究
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-15 DOI: 10.1364/ao.506552
Li-Sha Ding, Zheyan Dong, Zi-Jie Dai, Ming-Yang Chen
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引用次数: 0
Integrated multimode optical waveguides in glass using laser induced deep etching 利用激光诱导深度蚀刻技术在玻璃中集成多模光波导
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-15 DOI: 10.1364/ao.506670
B. Reitz, A. Evertz, Robin Basten, Marc Wurz, Ludger Overmeyer
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引用次数: 0
Active multi-focus vortex beams terahertz encoding metasurface based on Dirac Semimetals 基于狄拉克半金属的主动多焦点涡束太赫兹编码元表面
IF 1.9 4区 工程技术 Q3 OPTICS
Applied optics
Pub Date : 2023-12-15 DOI: 10.1364/ao.506535
Huiyun Zhang, Xinyu Lv, Chunyang Jiang, Xiaotong Sang, Zhenkai Li, Kun Wang, Meng Liu, Huifang Ma, Yuping Zhang
{"title":"Active multi-focus vortex beams terahertz encoding metasurface based on Dirac Semimetals","authors":"Huiyun Zhang, Xinyu Lv, Chunyang Jiang, Xiaotong Sang, Zhenkai Li, Kun Wang, Meng Liu, Huifang Ma, Yuping Zhang","doi":"10.1364/ao.506535","DOIUrl":"https://doi.org/10.1364/ao.506535","url":null,"abstract":"","PeriodicalId":8092,"journal":{"name":"Applied optics","volume":"3 3","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138998133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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