搜索结果: 1-15 共查到“工学 Fabry-Perot”相关记录33条 . 查询时间(0.078 秒)
基于谱估计的Fabry-Perot标准具透过率曲线参数估计方法
Fabry-Perot标准具 激光雷达 谱估计 参数估计
2016/11/22
直接探测多普勒测风激光雷达系统大多采用基于Fabry-Perot（F-P）标准具的条纹技术和边缘技术测量多普勒频移。但激光器频率漂移会使得透过率曲线的估计出现一定误差，为了抑制其影响，提出了一种基于谱估计的F-P标准具透过率曲线参数估计方法。首先将标准具全量程扫描结果进行重构得到观测矩阵。之后使用MUSIC算法得到透过率曲线的伪谱。对伪谱进行谱峰搜索后，将得到的谱峰位置进行线性拟合得到自由谱间距。...
提出一种基于Fibonacci与最小均方差联合解调光纤法布里-珀罗传感器腔长的算法.利用Fibonacci搜索方法,在一系列估计值中快速搜索到对应的最小均方差的数值,并作为腔长解调结果.仿真分析了算法迭代次数与解调准确度之间的关系并进行温度测量实验.结果表明,该算法的理论平均解调误差小于2×10-5 pm,与实际腔长的拟合度优于0.9999,解调动态范围可达2.5 mm;实验中,该算法腔长解调分辨...
利用非线性回归法结合仪器的传递函数模型对大气风场探测法布里-珀罗干涉仪进行了定标和反演.首先,基于修正的艾里函数建立了仪器的传递函数及气辉响应函数模型;然后,利用稳频激光器对现有法布里-珀罗干涉仪系统进行了实验室定标,获取了定标数据;采用分步非线性回归拟合法对定标数据进行处理,获取仪器传递函数模型参量;最后利用标定的仪器传递函数模型,对不同信噪比、不同风速温度预估输入的法布里-珀罗干涉仪气辉仿真数...
Wavelength-tunable QAM Synthesis by Direct Modulation of Injection-locked Fabry-Perot Semiconductor Lasers
Wavelength-tunable QAM Synthesis Direct Modulation Injection-locked Fabry-Perot Semiconductor Lasers
2014/11/6
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
By using an optical nonreturn-to-zero (NRZ) format data-stream to injection-lock an synchronously modulated Fabry-Perot laser diode at below threshold condition (without DC driving current), an output...
High-speed all-optical data-format conversion and logic gate from a synchronously modulated Fabry朠閞ot laser diode (FPLD) below threshold condition is demonstrated by using external injection-induced n...
Upstream Multi-Wavelength Shared PON with Wavelength-Tunable Self-seeding Fabry-Perot Laser Diode
Lasers fiber Lasers, injection-locked Optical communications
2015/5/21
We proposed a Upstream Multi-Wavelength Shared PON using a tunable self-seeding FP-LD at ONU. The fiber laser performances are experimentally investigated. The paper also for the first time studies th...
Demonstration of Low-Cost Uplink Transmission in a Coherent OCDMA PON Using Gain-Switched Fabry–Perot Lasers With External Injection
Fabry–Perot (FP) laser gain-switching optical code-division multiple access (OCDMA) passive optical network (PON)
2016/12/2
We propose and demonstrate a simple and low-cost uplink transmission scheme for coherent optical code-division multiple access (OCDMA) passive optical networks (PONs), using gain-switched Fabry-Perot ...
OCDMA PON supporting ONU internetworking based on gain-switched Fabry–Perot lasers with external dual-wavelength injection
Fiber optics and optical communications Fiber optics communications
2016/12/2
We propose and demonstrate an OCDMA-PON scheme with optical network unit (ONU) internetworking capability, which utilizes low-cost gain-switched Fabry-Pérot (GS-FP) lasers with external dual-wavelengt...
Characterization of a Novel Three-Section Tunable Slotted Fabry-Perot Laser
Semiconductor lasers Coherent communication
2015/6/10
A novel three-section tunable slotted Fabry Perot laser has been examined.Characterizations of the linewidth, SMSR and RIN indicate that this type of laser may be a suitable source for dynamic network...
Tunable and variable clock generation up to 1.2 THz by filtering an actively mode-locked 42.5 GHz Quantum Dash Fabry-Perot laser with a reconfigurable filter
Optical communications Quantum dot devices
2015/6/10
We report on the generation of an optical clock up to 1.2 THz using a Quantum Dash mode-locked laser and a spectral filter, selecting two or three lines, which are separated by the desired spacing.
Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding
Fiber optics sensors Scattering Brillouin Scattering Raman
2015/6/8
Pulse coding techniques are proposed in combination with the use of Fabry-Perot lasers for simultaneous strain and temperature sensing based on hybrid spontaneous Raman-Brillouin scattering.Combinatio...
40 Gb/s XPM Based All-Optical Retiming Using Filtered Clock Signals From A Quantum-Dash Fabry-Perot Laser
Fiber optic communications Nonlinear optics fibers All-optical devices
2015/6/8
The implications of the number of laser modes in the spectrum of a filtered clock signal on XPM based retiming is investigated in terms of SBS suppression, spectral broadening and timing jitter.
Self-Coherent Optical Transmission Using a Narrow Linewidth Tunable Slotted Fabry-Perot Laser
Coherent communication Semiconductor lasers
2015/6/4
A narrow linewidth slotted Fabry-Perot laser has been employed in a self-coherent optical transmission system. A comparison of the system performance of the tunable slotted laser with a SG-DBR laser h...
Resonant Faraday effect in a Fabry–Perot cavity
magneto-optical effects Faraday rotation optical cavity
2011/5/9
A standard approach to Faraday effect in a Fabry–Perot cavity is extended to resonant absorbing
media. The analysis indicates that application of the cavity improves a magnetometric sensitivity
desp...