ULTRAVIOLET

作品数：668被引量：962H指数：12
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  • 期刊=Chinese Optics Lettersx
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Ultraviolet spot position measurement based on 4 H-SiC quadrant photodetectors
《Chinese Optics Letters》2024年第11期131-135,共5页Peichen Yang Yifu Wang Weizong Xu Dong Zhou Fangfang Ren Dunjun Chen Rong Zhang Youliao Zheng Hai Lu 
supported by the Innovation Program for Quantum Science and Technology (No.2021ZD0303400);the National Natural Science Foundation of China (Nos.61921005,U2141241,62374084,and U21A20496);the Key Research Program of Jiangsu Province (No.BE2023018)。
In this Letter, we demonstrate ultraviolet(UV) spot position measurement based on the 4 H-SiC quadrant photodetectors(QPDs). The 4 H-SiC QPD with an 8 mm × 8 mm active area exhibits high uniformity across four quadra...
关键词：4 H-SiC quadrant photodetector ultraviolet positioning calibration. 
Stable ultraviolet ultrafast laser based on all-polarizationmaintaining fiber femtosecond laser
《Chinese Optics Letters》2024年第3期76-82,共7页田昊 朱喆 林巍 李子豪 温俊鹏 修昊 范怡衡 韦池一 韦小明 杨中民 
partially supported by the National Natural Science Foundation of China(NSFC)(Nos.62375087,12374304,U1609219,and 62235014);the NSFC Development of National Major Scientific Research Instrument(No.61927816);the Mobility Programme of the Sino-German(No.M-0296);the Introduced Innovative Team Project of Guangdong Pearl River Talents Program(No.2021ZT09Z109);the Natural Science Foundation of Guangdong Province(No.2021B1515020074);the Science and Technology Project of Guangdong(No.2020B1212060002)。
We report a high-stability ultrafast ultraviolet(UV)laser source at 352 nm by exploring an all-fiber,all-polarizationmaintaining(all-PM),Yb-doped femtosecond fiber laser at 1060 nm.The output power,pulse width,and opt...
关键词：all-polarization-maintaining fiber ultrafast fiber laser UV laser 
Spatiotemporal optical vortices generation in the green and ultraviolet via frequency upconversion[Invited]被引量：2
《Chinese Optics Letters》2023年第8期12-16,共5页高雪晨 赵雨薇 王珏 卢扬 张家璇 范锦涛 胡明列 
supported by the National Natural Science Foundation of China(NSFC)(Nos.62105237,61827821,and 62227821).
As a newly discovered type of structured light,a spatiotemporal optical vortex(STOV),which is remarkable for its space–time spiral phase and transverse orbital angular momentum(OAM),has garnered substantial interest....
关键词：ultraviolet spatiotemporal optical vortex second-harmonic generation sum-frequency generation 
On-chip ultraviolet second-harmonic generation in lithium-tantalate thin film microdisk被引量：1
《Chinese Optics Letters》2023年第6期89-93,共5页薛苗 颜雄硕 吴江威 葛睿 袁汀格 陈玉萍 陈险峰 
supported by the National Key R&D Program of China(No.2019YFB2203501);the National Natural Science Foundation of China(Nos.12134009 and 91950107);Shanghai Municipal Science and Technology Major Project(2019SHZDZX01-ZX06);SJTU(No.21X010200828)。
The compact and reliable ultraviolet[UV]source has attracted remarkable attention for its potential use in optical measurement systems,high-density optical storage,and biomedical applications.We demonstrate ultraviole...
关键词：lithium-tantalate thin film ultraviolet light second-harmonic generation 
Intracavity third-harmonic generation in a continuous-wave/self-mode-locked semiconductor disk laser
《Chinese Optics Letters》2023年第5期58-62,共5页李春玲 成佳 朱仁江 王涛 蒋丽丹 佟存柱 宋晏蓉 张鹏 
supported by the Cooperation Project between Chongqing Local Universities and Institutions of Chinese Academy of Sciences,Chongqing Municipal Education Commission(No.HZ2021007);the National Natural Science Foundation of China(Nos.61904024,61975003,61790584,and 62025506);the Science and Technology Research Program of Chongqing Municipal Education Commission(No.KJZD-M201900502)。
The high peak power of picosecond pulses produced by a self-mode-locked semiconductor disk laser can effectively improve the efficiency of nonlinear frequency conversion.This paper presents the intracavity frequency t...
关键词：third-harmonic generation self-mode locking semiconductor disk laser ULTRAVIOLET 
Progress on photovoltaic AlGaN photodiodes for solar-blind ultraviolet photodetection被引量：1
《Chinese Optics Letters》2022年第11期53-77,共25页Xu Liu Shengjun Zhou 
supported by the National Natural Science Foundation of China(Nos.52075394 and 51675386);the National Key Research and Development Program of China(No.2021YFB3600200);the National Youth Talent Support Program.
Solar-blind ultraviolet photodetectors(SBPDs)have attracted tremendous attention in the environmental,industrial,military,and biological fields.Aluminum gallium nitride(AlGaN),a kind of representative III-nitride semi...
关键词：photovoltaic AlGaN photodiodes solar-blind ultraviolet photodetection AIN/sapphire template 
Efficient generation of third harmonics in Yb-doped femtosecond fiber laser via spatial and temporal walk-off compensation被引量：5
《Chinese Optics Letters》2021年第3期69-73,共5页Meng Zhang Yuxi Chu Jun Zhao Dongyu Yan Yongzhi Li Genyu Bi Bowen Liu Minglie Hu 
supported by the National Natural Science Foundation of China (NSFC) (Nos. 61805174 and U1730115);Natural Science Foundation of Tianjin (No. 20JCQNJC01180);Research and Development Program in Key Areas of Guangdong Province, China (No. 2020B090922004)。
On the basis of a home-made femtosecond Yb-doped fiber laser, we designed a compact and efficient third harmonic generation scheme by a simple compensation plate of β-Ba B2O4 crystal. The compensation plate is optimi...
关键词：ultrafast nonlinear optics harmonic generation and mixing ULTRAVIOLET compensation plates 
On the polarization self-screening effect in multiple quantum wells for nitride-based near ultraviolet light-emitting diodes
《Chinese Optics Letters》2019年第12期68-72,共5页Kangkai Tian Chunshuang Chu Jiamang Che Hua Shao Jianquan Kou Yonghui Zhang Zi-Hui Zhang Tongbo Wei 
supported by the Natural Science Foundation of Tianjin City(Nos.16JCYBJC16200 and16JCQNJC01000);the Natural Science Foundation of Hebei Province(No.F2017202052);the Technology Foundation for Selected Overseas Chinese Scholars by the Ministry of Human Resources and Social Security of the People’s Republic of China(No.CG2016008001);the 100-Talent-Plan of Hebei Province(No.E2016100010)
The tilted energy band in the multiple quantum wells（MQWs） arising from the polarization effect causes the quantum confined Stark effect（QCSE） for [0001] oriented III-nitride-based near ultraviolet light-emitting ...
关键词：POLARIZATION DIODES QUANTUM 
High-performance 4H-SiC p-i-n ultraviolet avalanche photodiodes with large active area被引量：1
《Chinese Optics Letters》2019年第9期1-4,共4页Xingye Zhou Xin Tan Yuangang Wang Xubo Song Tingting Han Jia Li Weili Lu Guodong Gu Shixiong Liang Yuanjie Lii Zhihong Feng 
supported by the National Natural Science Foundation of China(Nos.61604137 and 61674130)
Ultraviolet(UV) detectors with large photosensitive areas are more advantageous in low-level UV detection applications. In this Letter, high-performance 4 H-SiC p-i-n avalanche photodiodes(APDs) with large active area...
关键词：Ultraviolet(UV) 4H-SIC P-I-N photodiodes 
Thermal expanded core ultraviolet fiber for optical cavity mode matching被引量：1
《Chinese Optics Letters》2019年第9期5-9,共5页Xin-Xia Gao Jin-Ming Cui Yun-Feng Huang Chuan-Feng Li Guang-Can Guo 
funding support from the National Key Research and Development Program of China (Nos. 2017YFA0304100, 2016YFA0302700);the National Natural Science Foundation of China (Nos. 11774335, 11474268, 11734015, 11821404);Key Research Program of Frontier Sciences, CAS (No. QYZDY-SSW-SLH003);the Fundamental Research Funds for the Central Universities (Nos. WK2470000026, WK2470000018);Anhui Initiative in Quantum Information Technologies (Nos. AHY020100, AHY070000)
We have demonstrated a mode matching method between two different fibers by a hybrid thermal expanded core technique, which can be applied to match the modes of fiber-based Fabry–Pérot cavities. Experimentally, this...
关键词：THERMAL expanded CORE ULTRAVIOLET FIBER optical CAVITY MODE 
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