搜索结果: 1-15 共查到“光学工程 IR”相关记录16条 . 查询时间(0.062 秒)
A 0.18μm CMOS 1000 frames/sec, 138dB Dynamic Range Readout Circuit for 3D-IC IR Focal Plane Arrays
CMOS 1000 frames/sec Dynamic Range Readout Circuit 3D-IC IR Focal Plane Arrays
2015/8/17
A prototype of a new high dynamic range readout scheme targeted for 3D-IC IR focal plane arrays is described.Dynamic range is extended using synchronous self-reset while high SNR is maintained using f...
Structural Characterization of Lignins Isolated from Caragana sinica Using FT-IR and NMR Spectroscopy
Caragana sinica Lignin Structural characterization FT-IR NMR
2012/4/16
In order to efficiently explore and use woody biomass, six lignin fractions were isolated from dewaxed Caragana sinica via successive extraction with organic solvents and alkaline solutions. The ligni...
Ir(Fppy)3掺杂PVK体系发光特性的研究
PVK Ir(Fppy)3 能量传递 蓝色磷光
2012/4/16
对蓝色磷光材料Ir(Fppy)3不同浓度掺杂PVK薄膜的光致发光(PL)和电致发光(EL)特性进行了研究。并制备了结构为ITO/PEDOT:PSS/PVK:Ir(Fppy)3/BCP/Alq3/LiF/Al的蓝色磷光有机电致发光器件。实验结果发现，磷光材料掺杂浓度不同，器件发光特性不同。当Ir(Fppy)3掺杂浓度比较低时，EL光谱中可以观察到PVK较弱的发光;当Ir(Fppy)3掺杂浓度较高时，...
5 Gbps IR-UWB Signal Generation and Fiber Transmission Based on Optical Pulse Compression
Radio frequency photonics Optical communications
2015/5/22
Tunable optical pulse compression is proposed to generate the FCC compliant impulse radio utra-wideband (IR-UWB) pulses with high speed modulation. Experimental generation and transmission of up to 5 ...
Service Multicasting by All-Optical Routing of 1 Gb/s IR-UWB for In-Building Networks
Multicasting All-Optical Routing IR-UWB Building Networks
2015/5/18
We propose and demonstrate, for the first time, service multicasting by all-opticalrouting of 1 Gb/s IR-UWB using XGM of SOA. This technique has potential applications for integrating IR-UWB with WDM ...
Ir(Fppy)3掺杂PVK体系发光特性的研究
PVK Ir(Fppy)3 能量传递 蓝色磷光
2012/4/17
对蓝色磷光材料Ir(Fppy)3不同浓度掺杂PVK薄膜的光致发光(PL)和电致发光(EL)特性进行了研究。并制备了结构为ITO/PEDOT:PSS/PVK:Ir(Fppy)3/BCP/Alq3/LiF/Al的蓝色磷光有机电致发光器件。实验结果发现，磷光材料掺杂浓度不同，器件发光特性不同。当Ir(Fppy)3掺杂浓度比较低时，EL光谱中可以观察到PVK较弱的发光;当Ir(Fppy)3掺杂浓度较高时，...
Structural Characterization of Lignins Isolated from Caragana sinica Using FT-IR and NMR Spectroscopy
Caragana sinica Lignin Structural characterization FT-IR NMR
2012/4/17
In order to efficiently explore and use woody biomass, six lignin fractions were isolated from dewaxed Caragana sinica via successive extraction with organic solvents and alkaline solutions. The ligni...
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...
Near-IR Laser Patterning of Polymer Films
Near-IR laser patterning Clear-cut etching Thermal expansion
2009/6/9
Laser etching is a promising technique for the creation of high-resolution patterns on polymer surfaces by a non-contact mode. In the case of near-IR (NIR) laser patterning, however, it has been belie...
用FT--IR红外光谱法快速测定聚乙烯共聚物中的甲基含量
FT--IR 红外光谱法 聚乙烯共聚物 甲基含量
2009/5/19
用FT--IR红外光谱法快速测定聚乙烯共聚物中的甲基含量。
IR－102T被动红外入侵探测器
探测器 报警器
2008/9/26
该报警器采用模拟继电器接口电路和微功耗稳压电路，使探测器警戒电流为1mA左右，功耗极低，便于采用直流供电，显著提高报警器的可靠性。该产品采用自制的菲涅尔透镜，警戒范围大，在84°、20m的区域内确能准确灵敏地报警在-40℃的严寒地区仍可正常工作。该产品内部设有多重抗干扰网络，可有效地排除入侵探测器的电磁场干扰和冷热气流干扰。产品抽样检查，所检各项性能指标与公安部安全与警用电子产品质量检测中心检测报...
Grating Writing Through the Polyimide Fibre Coating with Femtosecond IR Radiation and a Phase Mask
Grating Writing Through Polyimide Fibre Coating Femtosecond IR Radiation
2015/8/4
Fibre Bragg gratings were written through the polyimide coating of commercial high NA fibres with ultrafast 800 nm radiation. Index modulations =2X10 -4 remain after 140 hours at 360°C.
High temperature stable Type I IR ultrafast induced FBGs
High temperature stable ultrafast induced FBGs
2015/8/3
Fibre Bragg gratings formed with Type I exposure conditions in SMF-28 fibre are presented that retain more than 60% of their initial index change after annealing up to 1000 ° C.
Visible luminescence and upconversion processes in Bi-doped silica- based fibers pumped by IR radiation
Visible luminescence upconversion processes Bi-doped fibers pumped IR radiation
2015/7/31
The anti-Stokes visible luminescence and upconversion processes in Bi-doped silica-based fibers were investigated. The upconversion coefficients, absorption cross-sections and concentrations of bismut...