搜索结果: 1-15 共查到“工学 Ultrafast”相关记录23条 . 查询时间(0.046 秒)
近期，中国科学院上海光学精密机械研究所青促会会员姚金平研究员(第八批会员)与合作者报道了一种空气激光辅助的相干拉曼光谱技术，利用该技术实现了大气中浓度低至万分之三的温室气体检测，并展示了其在多组分同时测量以及CO2同位素分辨的能力。
中国科学院西安光学精密机械研究所与AAAS/Science合作创办Ultrafast Science期刊（图）
中国科学院西安光学精密机械研究所 AAAS/Science Ultrafast Science期刊
2020/11/11
2020年10月30日上午，西安光机所与美国科学促进会（AAAS/Science）合作创办英文期刊Ultrafast Science举行线上签约仪式。西安光机所党委副书记、纪委书记吴艳，Science系列期刊出版人Bill Moran及Science合作期刊（SPJ）团队代表，Ultrafast Science执行主编魏志义，英文期刊筹委会及编辑部代表共计二十余人出席签约仪式。签约仪式由AAAS/...
2017SPIE超快非线性成像与光谱学专题会议（Ultrafast Nonlinear Imaging and Spectroscopy V）
2017 SPIE 超快非线性成像与光谱学 专题会议
2017/4/25
2017SPIE超快非线性成像与光谱学专题会议（Ultrafast Nonlinear Imaging and Spectroscopy V）。
SLAC’s Ultrafast ‘Electron Camera’ Visualizes Ripples in 2-D Material（图）
SLAC’s Ultrafast Electron Camera 2-D Material
2015/9/18
New research led by scientists from the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University shows how individual atoms move in trillionths of a second to form wrin...
SPIDER on a chip: a phase sensitive ultrafast oscilloscope
Glass waveguides Integrated optics materials Nonlinear wave mixing
2015/5/22
We present a device for full waveform characterization, exploiting FWM in a CMOS compatible photonic chip, working with pulse energies as low as 10pJ and with sub-picosecond (<700fs) accuracy over a 1...
Digital Equalization of Ultrafast Data Using Real-time Burst Sampling
Fiber optics links subsystems Radio frequency photonics
2015/6/9
We demonstrate digital equalization of 40Gbps data enabled by use of Real-time Burst Sampling (RBS) with photonic time-stretch A/D converter. Evaluation of a feed-forward equalizer and a decision feed...
Chirped Sub-50 fs Pulse Generation:Optimization of Fiber Length for Ultrafast Fiber Optical Parametric Oscillators
Pulse propagation Fiber optics amplifiers oscillators
2015/6/9
Sub-50 fs pulses at 940 nm having linear chirp are generated using a synchronously-pumped fiber optical parametric oscillator where the fiber length is chosen to compensate for dispersion from optical...
Resolution-enhanced ultrafast ADC using optical multi-period transfer functions of NOLMs
Ultrafast processes in fibers Fiber optics sensors
2015/6/9
We propose a resolution enhancement scheme using optical input/output multi-period transfer functions of NOLMs for ultrafast low-resolution ADCs. This scheme can provide a resolution of 8.8 ENOB by co...
Channel-Allocation-Adaptive WDM Signal Observation Based on Sequential Ultrafast Field Sampling
Channel-Allocation-Adaptive WDM Signal
2015/7/20
A novel technology for simultaneous WDM signal monitoring is presented based on ultrafast field sampling. Its adaptivity for channel allocation and/or channel bandwidth is unique and attractive as is ...
Fiber Bragg Gratings Made in Highly Nonlinear Bismuth Oxide Fibers Using IR Ultrafast Radiation
Fiber Bragg Gratings Made Highly Nonlinear Bismuth Oxide Fibers IR Ultrafast Radiation
2015/7/20
We have written for the first time high quality Bragg grating structures in highly nonlinear single mode bismuth oxide fibers . The grating inscription method is presented along with the annealing beh...
Quantum-Dot Semiconductor Optical Booster Amplifier with Ultrafast Gain Recovery for Pattern-Effect Free Amplification of 80 Gb/s RZ-OOK Data Signals
Quantum-Dot Semiconductor Optical Booster Amplifier Ultrafast Gain Recovery Pattern-Effect Amplification RZ-OOK Data Signals
2015/7/16
We present an InGaAs/GaAs quantum dot semiconductor amplifier with a 90%-10% nonlinear gain recovery time of only 16 ps which enables pattern-effect free amplification of 80 Gb/s RZ-OOK data signals w...
Silicon-Organic Hybrid (SOH) — A Platform for Ultrafast Optics
Silicon-Organic Hybrid Platform Ultrafast Optics
2015/7/15
Silicon signal processing at bitrates beyond 100 Gb/s is demonstrated. A new enabling platform is re-viewed, which relies both on silicon-based CMOS technology for waveguide fabrication, and on an org...
Ultrafast All-Optical Analog-to-Digital Conversion using Fiber Nonlinearity
Ultrafast All-Optical Analog-to-Digital Conversion Fiber Nonlinearity
2015/7/15
Feasibility toward tera-sample/s all-optical ADC using NOLM and its promising applicationssuch as front-end processor of EDC for above 100Gbit/s optical transmission systems are discussed. Recent reco...
Ultrafast Time-Resolved Imaging Gate
Time-resolved gate Time-resolved imaging Femtosecond laser
2009/6/12
Ultrafast time-resolved imaging gate provides interesting tools for observation of ultrafast phenomena, three-dimensional shape measurements, and biomedical imaging. In this paper, various time-resolv...
Ultrafast Transfers of Electronic Excitation and Electron in Photosynthetic Reaction Centers
Ultrafast laser spectroscopy Photosynthesis Electron transfer
2009/6/9
A brief review is given on how ultrafast laser spectroscopy has been recently applied to the research of photosynthetic reaction center, which achieves the most essential energy conversion from light ...