搜索结果: 1-15 共查到“工学 coherent”相关记录225条 . 查询时间(0.078 秒)
全球材料、网络和激光领域的领导者之一Coherent高意（纽约证券交易所代码：COHR）近日推出新型高效的连续波（CW）分布反馈（DFB）激光器。这些专为硅光子收发器设计的创新激光器家族代表了磷化铟（InP）激光技术的飞跃。
Coherent高意推出无制冷双芯2x400mW 980nm微型泵浦激光器，用于超紧凑型光放大器（图）
Coherent 高意 无制冷 双芯片 泵浦激光器 紧凑型光
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2024/10/14
全球高性能光网络解决方案的领导者之一Coherent高意（纽约证券交易所代码：COHR）近日宣布推出一款无制冷的双芯片980nm微型泵浦激光器，提供强大的2x400mW输出。这款新型激光器采用紧凑的3-pin封装，使其成为下一代数据中心互联相干收发器以及城域和长途网络中单通道及双向放大器的理想选择。
美国Coherent公司Anjan Roy博士来江苏食品药品职业技术学院做学术报告（图）
美国 Coherent公司 Anjan Roy 博士 江苏食品药品职业技术学院 学术报告
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2020/1/10
作为第二届淮安市自然科学学术月分会场之一，我校科技处携科协于11月7日邀请美国Coherent公司高级科学家Anjan Roy博士到校作学术报告，报告题目为“太赫兹拉曼光谱及其在制药工程领域的应用”，学校科研骨干参加了在药学院第二会议室举办的讲座。报告就太赫兹拉曼光谱的技术特点及其在药物多晶态分析等方面的应用做了详尽的讲解及案例介绍，使在座听众了解了前沿的药剂分析方法及新药研发的专利保护策略。报告...
RESEARCH ON METHODS OF HIGH COHERENT TARGET EXTRACTION IN URBAN AREA BASED ON PSINSAR TECHNOLOGY
PS points extraction Dispersion of intensity Amplitude threshold Phase analysis Ground deformation
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2018/5/14
PSInSAR technology has been widely applied in ground deformation monitoring. Accurate identification of Persistent Scatterers (PS) is key to the success of PSInSAR data processing. In this paper, the ...
MONITORING GROUND DEFORMATION OF SUBWAY AREA DURING THE CONSTRUCTION BASED ON THE METHOD OF MULTI-TEMPORAL COHERENT TARGETS ANALYSIS
Coherent targets Ground deformation Subway area Construction period
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2018/5/16
Multi-temporal coherent targets analysis is a high-precision and high-spatial-resolution monitoring method for urban surface deformation based on Differential Synthetic Aperture Radar (DInSAR), and ha...
Compressed Sensing with Coherent and Redundant Dictionaries
Compressed Sensing Coherent and Redundant Dictionaries
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2015/6/17
This article presents novel results concerning the recovery of signals from undersampled data in the common situation where such signals are not sparse in an orthonormal basis or incoherent dictionary...
Terabit+ (192 × 10 Gb/s) Nyquist Shaped UDWDM Coherent PON with Upstream and Downstream over a 12.8 nm Band
Terabit S Nyquist Shaped DWDM Coherent PON Upstream and Downstream 12.8 nm Band
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2014/11/6
We experimentally demonstrate a bi-directional Terabit+ UDWDM coherent PON with Nyquist shaped 16QAM modulation, offering up to 10 Gb/s service capabilities per user/wavelength in a total spectrum of ...
Channel Estimation Using Superimposed Training for Coherent Optical OFDM Systems
Channel Estimation Superimposed Training Optical OFDM Systems
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2016/12/2
We demonstrate by simulation that the superimposed training based channel estimation scheme can achieve similar performance as compared with conventional schemes, without any loss in bandwidth. An ite...
6th EPS-QEOD EUROPHOTON CONFERENCE "Solid State, Fibre, and Waveguide Coherent Light Sources"
6th EPS-QEOD EUROPHOTON CONFERENCE Solid State, Fibre, and Waveguide Coherent Light Sources
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2013/10/30
This unique conference features the latest breakthroughs in the field of solid-state, fibre and waveguided light sources.World-reknown researchers discuss the latest developments in the scientific com...
Modeling Coherent Backscattering Errors in Fiber Optic Gyroscopes for Sources of Arbitrary Line Width
Backscattering drift backscattering noise fi ber optic gyroscope laser phase noise
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2015/8/7
We present a new model of the noise and drift induced by coherent backscattering in a fiber optic gyroscope (FOG) interrogated with a light source of arbitrary temporal coherence. This study is ...
Coherent Detected Secure Point-to-Point Optical Fiber Transmission using Ultra-Dense Optical Spectral Phase Coding (UD-SPC) and Multilevel BCJR Equalization
Coherent Detected Secure Point-to-Point Optical Fiber Transmission Ultra-Dense Optical Spectral Phase Coding Multilevel BCJR Equalization
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2016/12/2
A secure P2P optical fiber communication scheme based on ultra-dense optical spectral phase coding (UD-SPC) is proposed. The multi-code interference is suppressed by increasing the memory of the multi...
Non-coherent Network Coding:An Arbitrarily Varying Channel Approach
Non-coherent Network Coding Arbitrarily Varying Approach
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2012/12/4
In this paper, we propose an “arbitrarily varying channel” (AVC) approach to study the capacity of noncoherent transmission in a network that employs randomized linear network coding. The network oper...
Radi ation forces on a Rayleigh particle by highly focused partial ly coherent and radially polarized vorte x beams
Coherence Polarization Singular optics Optical tweezers or optical manipulation
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2013/7/2
The radiation force of highly focused partially coherent and radially polarized vortex beams on a Rayleigh particle is theoretically studied. The dependence of the radiation force on coherence lengths...
Tight focusing of partially coherent and radiallly polarized vortex beams
Partially coherent and radially polarized vortex beam Large numerical aperture and diffractive optical element Spatial coherence Interesting beam patterns
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2013/7/2
We investigate the tight focusing properties of partially coherent and radially polarized vortex beams by use of vectorial Debye theory. It is found that the intensity profiles and the degree of coher...
Tight focusing of partially coherent and radiallly polarized vortex beams
Partially coherent and radially polarized vortex beam Large numerical aperture and diffractive optical element Spatial coherence Interesting beam patterns
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2013/7/2
We investigate the tight focusing properties of partially coherent and radially polarized vortex beams by use of vectorial Debye theory. It is found that the intensity profiles and the degree of coher...