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2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)最新文献

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Characterization of optically-controlled terahertz modulation based on a hybrid device of perovskite and silicon 基于钙钛矿和硅混合器件的光控太赫兹调制特性
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118846
Kyu-Sup Lee, Rira Kang, Byungwoo Son, Dong‐Yu Kim, N. Yu, D. Ko
{"title":"Characterization of optically-controlled terahertz modulation based on a hybrid device of perovskite and silicon","authors":"Kyu-Sup Lee, Rira Kang, Byungwoo Son, Dong‐Yu Kim, N. Yu, D. Ko","doi":"10.1109/CLEOPR.2017.8118846","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118846","url":null,"abstract":"Terahertz wave transmission could be optically controlled based on electron accumulation at the interface of a hybrid structure of Si and CH3NH3PbI3 perovskite. The modulation efficiency was enhanced by a factor of approximately 4 than those at bare Si under a low irradiance of 532-nm continuous laser (<0.5 W/cm2). Based on THz time-domain spectroscopy and Drude modeling, we characterized the optical and electronic properties of the hybrid device in terms of complex dielectric constant, complex conductivity, carrier density, and mobility.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"12 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84518182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Comparison of Yb:YAG single crystal fiber with larger aperture CPA pumped at 940 nm and 969 nm 940 nm和969 nm泵浦大孔径CPA的Yb:YAG单晶光纤比较
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118912
A. Rodin, Eimantas Zopelis
{"title":"Comparison of Yb:YAG single crystal fiber with larger aperture CPA pumped at 940 nm and 969 nm","authors":"A. Rodin, Eimantas Zopelis","doi":"10.1109/CLEOPR.2017.8118912","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118912","url":null,"abstract":"We compare the characteristics of a two-pass chirped pulse amplifier based on a Yb:YAG single crystal fiber and the performance of Yb:YAG rods with a larger aperture. As a pump source, high brightness laser diodes with a total power of up to 140 W at 940 nm and 100 W at 969 nm were used. The seed pulses emitted from the fiber laser were amplified up to ∼30W in a single crystal fiber and up to ∼50W in a larger diameter rod with unguided pump propagation, both of which are characterized by a beam quality M2 ∼ 1.1. The amplified pulses were compressed by a diffraction grating up to ∼ 600 fs with an efficiency of 80 %.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"45 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73392962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
High-Q silicon microsphere whispering gallery mode resonator fabricated by laser induced in-fiber capillary instability 激光诱导光纤内毛细不稳定性制备高q硅微球窃窃廊模式谐振腔
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118770
Jing Zhang, Kaiwei Li, Mengying Zhang, Ting Zhang, Lei Wei
{"title":"High-Q silicon microsphere whispering gallery mode resonator fabricated by laser induced in-fiber capillary instability","authors":"Jing Zhang, Kaiwei Li, Mengying Zhang, Ting Zhang, Lei Wei","doi":"10.1109/CLEOPR.2017.8118770","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118770","url":null,"abstract":"A method of fabricating silicon microsphere resonators feathered high quality factor whispering gallery modes of ∼ 0.8 × 10<sup>6</sup> is demonstrated. We fabricate the silicon microspheres from silica-cladding/silicon-core fiber based on the CO<inf>2</inf> laser induced in-fiber capillary instability phenomenon.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"30 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88219090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A high sensitivity strain sensor based on a selective-filling high birefringent photonic crystal fiber Sagnac interferometer 基于选择性填充高双折射光子晶体光纤Sagnac干涉仪的高灵敏度应变传感器
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118884
T. Han, Yan-ge Liu, Zhiwang
{"title":"A high sensitivity strain sensor based on a selective-filling high birefringent photonic crystal fiber Sagnac interferometer","authors":"T. Han, Yan-ge Liu, Zhiwang","doi":"10.1109/CLEOPR.2017.8118884","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118884","url":null,"abstract":"A high sensitivity strain sensor based on a selective-filling photonic crystal fiebr (SF-PCF) Sagnac interferometer was demonstrated. The SF-PCF was achieved by infiltrating a high index liquid into two symmetrical air holes of the innermost layer. Numetrical results revealed an ultrahigh even theoretically infinite strian sensitivity. A high strain sensitivity with 25 pm/με was experimentally achieved.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"25 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82834842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Compact open-path detection of N2O gas with low concentration of ppb level based on QCL 基于QCL的低浓度ppb级N2O气体紧凑开路检测
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118802
B. Sohn, P. Xing, D. Tan
{"title":"Compact open-path detection of N2O gas with low concentration of ppb level based on QCL","authors":"B. Sohn, P. Xing, D. Tan","doi":"10.1109/CLEOPR.2017.8118802","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118802","url":null,"abstract":"We measured nitrous oxide (N2O) gas at concentrations as low as 2ppb using a multi-pass gas cell (MPGC) with an path length of 10m. The quantum cascade laser (QCL) was spectrally scanned in the range of 4529.4nm–4531nm having the strongest linear absorption cross-section of 3.6710−18 cm2, where the spectral absorption region of CO and CO2 is avoided. The absorption levels at spectral lines of 4529.80nm and 4530.22nm were measured to demonstrate a relation with variation of concentration of N2O. This strategy could be used in low power of laser with a limit of power detector because we are using linear absorption phenomena.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"28 1 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90156956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Passive mode-locking of a fiber laser using a graphene oxide-based saturable absorber based on cladding-etched optical fiber 基于包层蚀刻光纤的氧化石墨烯基饱和吸收器光纤激光器的被动锁模
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118774
S. Ko, Junsu Lee, J. Koo, J. Lee
{"title":"Passive mode-locking of a fiber laser using a graphene oxide-based saturable absorber based on cladding-etched optical fiber","authors":"S. Ko, Junsu Lee, J. Koo, J. Lee","doi":"10.1109/CLEOPR.2017.8118774","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118774","url":null,"abstract":"We experimentally demonstrate a fiberized saturable absorber using a cladding-etched optical fiber as a platform. A wet etching technique based on a mixed solution of NH4F and (NH4)2SO4, which is not toxic, is used. Using a graphene oxide (GO)-deposited cladding-etched fiber into an erbium fiber ring cavity, it is shown that femtosecond pulses can readily be produced.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"6 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83716508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-invasive blood glucose measurement scheme based on near-infrared spectroscopy 基于近红外光谱的无创血糖测量方案
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118732
Wang Shulei, Yuan Xueguang, Zhang Yangan
{"title":"Non-invasive blood glucose measurement scheme based on near-infrared spectroscopy","authors":"Wang Shulei, Yuan Xueguang, Zhang Yangan","doi":"10.1109/CLEOPR.2017.8118732","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118732","url":null,"abstract":"Diabetes is a kind of common chronic diseases, seriously harmful to human health. Determination of blood glucose levels is the key link in diabetes care. The traditional measurement method firstly collects blood drops, and then uses the blood analyzer for electrochemical analysis. The traditional method is inconvenient, algesiogenic and easily cause infection. With the development of chemometric methods, infrared spectroscopy has been widely used in the field of blood glucose measurement and medicine care. The non-invasive blood glucose measurement scheme based on near-infrared spectroscopy is a way which is more efficiently, without damage and chemical reagents. In this paper, we proposed a non-invasive blood glucose detection and analysis the scheme based on near-infrared spectroscopy. In order to avoid the influence of the environment during the measuring process and considering the individual differences, we use the wave acquisition system to collect human pulse wave, and reduce the noise of the pulse wave signal first. By comparing the actual measured data with the data obtained in the traditional way, we can establish models to predict the blood glucose levels and achieve non-invasive blood glucose measurement using spectrum analysis technology. In the end, we improve the models by analyzing the relationship between individual factors and the pulse wave signal. The experimental results show that the method can effectively determine the blood glucose levels, and it is more convenient, safer and healthier than the traditional method, which can effectively reduce the time cost and the money cost.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"20 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87331659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
50-W, 1.6-GHz pulse repetition rate from a burst-mode Yb-doped fiber laser 50 w, 1.6 ghz脉冲重复率从爆发模式掺镱光纤激光器
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118845
P. Elahi, Ayse Cansu Ertek, K. Eken, F. Ilday
{"title":"50-W, 1.6-GHz pulse repetition rate from a burst-mode Yb-doped fiber laser","authors":"P. Elahi, Ayse Cansu Ertek, K. Eken, F. Ilday","doi":"10.1109/CLEOPR.2017.8118845","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118845","url":null,"abstract":"We report a 50-W average power Yb-doped fiber laser amplifier system. The laser system produces bursts at a minimum rate of 200 kHz, with 1.6 GHz intra-burst repetition rate. The total energy delivers in a burst is 250 μJ and the individual pulse energy is about 0.4 μJ. The output pulses are compressed to 270 fs by using two compressor gratings.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"171 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78014055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Silver film deposited over large-area self-assembled array of silica nanospheres as ultrasensitive SERS substrate 银膜沉积在大面积自组装二氧化硅纳米球阵列上作为超灵敏的SERS衬底
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118892
Xu Hou, Qi Wang, Guoming Mao, Hao Liu, X. Ren
{"title":"Silver film deposited over large-area self-assembled array of silica nanospheres as ultrasensitive SERS substrate","authors":"Xu Hou, Qi Wang, Guoming Mao, Hao Liu, X. Ren","doi":"10.1109/CLEOPR.2017.8118892","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118892","url":null,"abstract":"We have demonstrated an approach to prepare ultrasensitive surface enhanced Raman scattering (SERS) substrate via depositing Ag over silica (SiO2) nanospheres array template by magnetron sputtering. The nanospheres self-assembled on slightly-tilted silicon (Si) substrate with low-temperature thermal treatment. Large-area uniform Ag nanoclusters array was obtained with 40nm Ag covered the nanospheres (360nm in diameter). Ultrasensitivity was verified by successfully detection of Rhodamine 6G (R6G) with a limit of 10−11M.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"31 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75772429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The concept of location-based equalization for indoor visible light communications 基于位置的室内可见光通信均衡的概念
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) Pub Date : 2017-07-31 DOI: 10.1109/CLEOPR.2017.8118953
Xiaodi You, Jian Chen, Changyuan Yu
{"title":"The concept of location-based equalization for indoor visible light communications","authors":"Xiaodi You, Jian Chen, Changyuan Yu","doi":"10.1109/CLEOPR.2017.8118953","DOIUrl":"https://doi.org/10.1109/CLEOPR.2017.8118953","url":null,"abstract":"In this paper, we propose a novel concept of the location-based equalization scheme for indoor visible light communication (VLC) systems. For the first time, indoor VLC can become an indoor visible light positioning based service. Numerical results prove that the proposed scheme is a simple and effective solution to counteract the inter-symbol interference induced by the indoor VLC dispersive channel. For example, for a 100 Mbps transmission link, the proportion of the indoor area with a bit error rate of less than 10−6 can be increased from around 70.4% to 92.3% by adopting the proposed scheme.","PeriodicalId":6655,"journal":{"name":"2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)","volume":"27 2 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2017-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79672479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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