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基于蓝光外腔半导体激光器的水下调频连续波激光测距 基于蓝光外腔半导体激光器的水下调频连续波激光测距
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235206.0614001
马超峰 MA Chaofeng, 姜琦 Jiang Qi, 吴莹 Wu Ying, 梁伟 LIANG Wei
{"title":"基于蓝光外腔半导体激光器的水下调频连续波激光测距","authors":"马超峰 MA Chaofeng, 姜琦 Jiang Qi, 吴莹 Wu Ying, 梁伟 LIANG Wei","doi":"10.3788/gzxb20235206.0614001","DOIUrl":"https://doi.org/10.3788/gzxb20235206.0614001","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70529611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
高速光探测器的集成微透镜结构设计与制备 高速光探测器的集成微透镜结构设计与制备
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0823001
杨晓伟 YANG Xiaowei, 袁纬方 YUAN Weifang, 李同辉 LI Tonghui, 李玉 LI Yu, 董晓雯 DONG Xiaowen, 刘凯 LIU Kai, 黄永清 HUANG Yongqing, 段晓峰 DUAN Xiaofeng
{"title":"高速光探测器的集成微透镜结构设计与制备","authors":"杨晓伟 YANG Xiaowei, 袁纬方 YUAN Weifang, 李同辉 LI Tonghui, 李玉 LI Yu, 董晓雯 DONG Xiaowen, 刘凯 LIU Kai, 黄永清 HUANG Yongqing, 段晓峰 DUAN Xiaofeng","doi":"10.3788/gzxb20235208.0823001","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0823001","url":null,"abstract":"高速光探测器以获得更高的3 dB带宽为目标，减小器件台面面积能够使结电容降低从而提高带宽，但同时也增大了系统中的光耦合损耗。针对该问题，在高速光探测器衬底背面单片集成微透镜结构是一种有效的解决方案，该结构可通过补偿对准偏差来提高器件的光耦合效率。设计了一种面向数据中心应用的，与1.31 μm光探测器芯片单片集成的InP基微透镜结构；通过热熔法制作微透镜胶型，并利用电感耦合等离子体刻蚀实现微透镜胶型转移，电感耦合等离子体刻蚀过程选择SiCl4和Ar作为刻蚀气体以保证实验的安全性；制备了一种直径90.3 μm、冠高18.5 μm、表面形貌光滑的InP基微透镜结构。单片集成微透镜的PIN光探测器在1.31 μm波长处，入射光偏离主光轴3°的情况下，光探测器的响应度仅下降4%。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135156081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
宽度与曲率双渐变型低损耗硅基弯曲光波导设计 宽度与曲率双渐变型低损耗硅基弯曲光波导设计
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0823002
周悦 ZHOU Yue, 孙耀辉 SUN Yaohui, 吴浩宇 WU Haoyu, 陆梦佳 LU Mengjia, 胡国华 HU Guohua, 恽斌峰 YUN Binfeng, 崔一平 CUI Yiping
{"title":"宽度与曲率双渐变型低损耗硅基弯曲光波导设计","authors":"周悦 ZHOU Yue, 孙耀辉 SUN Yaohui, 吴浩宇 WU Haoyu, 陆梦佳 LU Mengjia, 胡国华 HU Guohua, 恽斌峰 YUN Binfeng, 崔一平 CUI Yiping","doi":"10.3788/gzxb20235208.0823002","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0823002","url":null,"abstract":"采用内、外曲线分别为圆形弯曲和欧拉-圆形弯曲曲线，以及内、外曲线分别为欧拉-圆形弯曲和欧拉弯曲曲线，提出并优化了两种曲率与宽度双渐变的硅基单模弯曲光波导结构。采用有限时域差分对提出的两种弯曲光波导结构进行了仿真优化，并与圆形弯曲、欧拉弯曲、欧拉-圆形弯曲和贝塞尔弯曲光波导的性能进行了比较。结果表明在等效弯曲半径为2 μm时，内、外曲线分别为圆形弯曲和欧拉-圆形弯曲的弯曲光波导损耗值仅为0.005 6 dB/90°，且具有低的损耗波长相关性。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135156089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
高压电缆源平移扫描CT高效重建算法 高压电缆源平移扫描CT高效重建算法
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0734002
倪松 NI Song, 陈杰 CHEN Jie, 余海军 YU Haijun, 段晓礁 DUAN Xiaojiao, 陈大兵 CHEN Dabing, 刘建军 LIU Jianjun
{"title":"高压电缆源平移扫描CT高效重建算法","authors":"倪松 NI Song, 陈杰 CHEN Jie, 余海军 YU Haijun, 段晓礁 DUAN Xiaojiao, 陈大兵 CHEN Dabing, 刘建军 LIU Jianjun","doi":"10.3788/gzxb20235207.0734002","DOIUrl":"https://doi.org/10.3788/gzxb20235207.0734002","url":null,"abstract":"为提高在役高压电缆X射线扫描图像重建速度，结合传统的滤波反投影算法，提出基于数据平滑的局部扫描重建算法。分析了源直线扫描局部计算机断层成像方法存在的有限角和数据截断问题，提出数据平滑方式解决方法。主要途径是利用余弦函数沿探测器方向和射线源方向分别进行数据平滑插值，避免投影数据值在这两个方向上突然降为零，起到抑制截断伪影和有限角伪影的作用。实验证明，所提方法能有效抑制图像伪影，有利于电缆阻水缓冲层缺陷识别。相较于原有的联合迭代重建算法，该方法缩短了重建时间且图像重建质量相当；相较于传统滤波反投影算法，重建图像质量提高但重建耗时基本一致。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135156289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于光载微波干涉的距离测量方法 基于光载微波干涉的距离测量方法
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0812002
徐培源 XU Peiyuan, 郑博伦 ZHENG Bolun, 潘震 PAN Zhen, 周次明 ZHOU Ciming
{"title":"基于光载微波干涉的距离测量方法","authors":"徐培源 XU Peiyuan, 郑博伦 ZHENG Bolun, 潘震 PAN Zhen, 周次明 ZHOU Ciming","doi":"10.3788/gzxb20235208.0812002","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0812002","url":null,"abstract":"提出了一种基于光载微波干涉的测距方法，通过电光调制器将微波调制到宽谱激光上，光纤光栅反射部分载波波长的微波调制光实现分光，FBG的反射光与待测目标反射光在环形器中发生非相干叠加，由于两者光程不同，经过光电转换后探测到微波干涉信号，通过分析微波的频域干涉谱计算出光程差，进而得到待测距离。本文进行了多组测距实验验证该方法的可行性，结果表明，该测距系统具有较高的稳定性和精度，在150~450 mm的测距范围内，测距结果的稳定性为±2.7 μm，测距精度为±1.6 μm，为高精度测量领域提供了一种新的方法。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135156312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
聚乙烯吡咯烷酮链段长度依赖的钙钛矿结晶动力学和电致发光研究 聚乙烯吡咯烷酮链段长度依赖的钙钛矿结晶动力学和电致发光研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0816001
陈文轩 CHEN Wenxuan, 何敏 HE Min, 陈平 CHEN Ping, 陈琪 CHEN Qi
{"title":"聚乙烯吡咯烷酮链段长度依赖的钙钛矿结晶动力学和电致发光研究","authors":"陈文轩 CHEN Wenxuan, 何敏 HE Min, 陈平 CHEN Ping, 陈琪 CHEN Qi","doi":"10.3788/gzxb20235208.0816001","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0816001","url":null,"abstract":"基于低温溶液工艺的钙钛矿发光二极管由于低成本，高色纯度，宽色域等优势受到广泛关注。然而，在溶液结晶成膜过程中，钙钛矿晶粒无规形核、快速生长，导致薄膜存在大量的针孔和缺陷，严重影响器件性能。本文通过原位荧光和结构表征技术证实，聚乙烯吡咯烷酮（PVP）添加剂在特定的链段长度下，能优化调控钙钛矿结晶动力学，延缓晶粒生长速度，使得钙钛矿薄膜粗糙度由1.489 nm降低到0.954 nm，缺陷密度从1.55×1018 cm-3降低至1.05×1018 cm-3。相应地，薄膜荧光量子产率从16.9%提升到58.9%，器件外量子效率从8.55%提高到了18.00%。本文通过原位表征技术，全方位解析了添加剂分子结构对钙钛矿结晶动力学的调控机理，为添加剂分子的优化设计提供了直观依据。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135157608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
扫描方向对金属和硅复合薄膜表面激光诱导自组织加工质量的影响（特邀） 扫描方向对金属和硅复合薄膜表面激光诱导自组织加工质量的影响（特邀）
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0752303
石理平 SHI Liping, 耿娇 GENG Jiao, 仇旻 QIU Min
{"title":"扫描方向对金属和硅复合薄膜表面激光诱导自组织加工质量的影响（特邀）","authors":"石理平 SHI Liping, 耿娇 GENG Jiao, 仇旻 QIU Min","doi":"10.3788/gzxb20235207.0752303","DOIUrl":"https://doi.org/10.3788/gzxb20235207.0752303","url":null,"abstract":"激光诱导周期性表面结构的质量可通过调整激光参数、改善材料表面和优化扫描策略等手段来提高。研究了扫描方向对线偏振激光诱导金属/硅复合薄膜表面氧化LIPSS的影响。结果表明，当扫描方向垂直于激光偏振方向时，纳米结构会出现分叉、不连续等问题；当扫描方向平行于激光偏振方向时，纳米结构呈现短程有序，但在光斑拼接处存在扭曲；而当扫描方向与激光偏振方向存在一定夹角时，容易获得长程均匀有序的周期性纳米结构。数值仿真结果表明造成这些现象的原因是近场效应对自组织过程具有不可忽略的影响。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135158127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于超像素的硅基OLED微显示器数字驱动成像质量研究 基于超像素的硅基OLED微显示器数字驱动成像质量研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0911002
季渊 JI Yuan, 陈鸿港 CHEN Honggang, 陈宝良 CHEN Baoliang, 张引 ZHANG Yin, 许怡晴 XU Yiqing
{"title":"基于超像素的硅基OLED微显示器数字驱动成像质量研究","authors":"季渊 JI Yuan, 陈鸿港 CHEN Honggang, 陈宝良 CHEN Baoliang, 张引 ZHANG Yin, 许怡晴 XU Yiqing","doi":"10.3788/gzxb20235209.0911002","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0911002","url":null,"abstract":"针对微显示器分辨率、刷新率低，显示运动画面时产生动态假轮廓等成像问题，通过分析超像素技术的特性及驱动原理，结合数字驱动方式，提出数字驱动型超像素扫描策略。利用人眼的积分特性和视觉暂留特性，通过帧与帧之间在时间上切换，空间上偏移的方式，降低数据传输带宽，改善动态假轮廓现象，提升显示器成像效果。结合超像素技术设计一款数字驱动型超像素微显示控制器，并在分辨率为2 048×2 048的全彩硅基OLED微显示器上验证其可行性。仿真分析结果表明，基于超像素的数字驱动扫描策略在分辨率主观感知不变的条件下，数据传输带宽减少50%。利用最小可察觉失真积分法进行评估，超像素扫描策略动态假轮廓等于0和不超过8灰度的概率分别约为93.3%和99.3%，成像质量有较大提升。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135158144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
近红外激光泵浦的可调谐中红外固体激光器研究进展（特邀） 近红外激光泵浦的可调谐中红外固体激光器研究进展（特邀）
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0914001
陈锴 CHEN Kai, 徐德刚 XU Degang, 贺奕焮 HE Yixin, 钟凯 ZHONG Kai, 李吉宁 LI Jining, 王与烨 WANG Yuye, 姚建铨 YAO Jianquan
{"title":"近红外激光泵浦的可调谐中红外固体激光器研究进展（特邀）","authors":"陈锴 CHEN Kai, 徐德刚 XU Degang, 贺奕焮 HE Yixin, 钟凯 ZHONG Kai, 李吉宁 LI Jining, 王与烨 WANG Yuye, 姚建铨 YAO Jianquan","doi":"10.3788/gzxb20235209.0914001","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0914001","url":null,"abstract":"基于非线性光学频率变换技术的可调谐中红外激光器在光电对抗、气体检测、生物医学等应用领域有着重要价值。近红外激光，尤其是1 μm激光直接泵浦的可调谐中红外激光器具有结构紧凑、调谐范围宽、稳定性高的优势。从非线性光学频率变换技术的核心器件——非线性晶体出发，综述新型非氧化型晶体在可调谐中红外激光产生中的应用现状，介绍了不同晶体的光学特性及实现中红外产生的方法。针对可调谐中红外激光源的调谐范围、单脉冲能量、重复频率等关键参数，分析了不同晶体的中红外产生性能及其适用的中红外产生方法。最后对近红外激光器泵浦的可调谐中红外激光器进行了展望。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135158148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
硫化锌表面微结构抗反射特性的理论模拟及制备 硫化锌表面微结构抗反射特性的理论模拟及制备
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0752308
罗兴 LUO Xing, 李明 LI Ming, 毛建勇 MAO Jianyong
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