搜索结果: 1-15 共查到“光电子技术 absorption”相关记录17条 . 查询时间(0.109 秒)
Characterization of Automotive Paint Clear Coats by Ultraviolet Absorption Microspectrophotometry with Subsequent Chemometric Analysis
forensics automative paint clear coats microspectrophotometry
2015/1/7
Clear coats have been a staple in automobile paints for almost thirty years and are of forensic interest when comparing transferred and native paints. However, the ultraviolet (UV) absorbers in these ...
Nearly Total Solar Absorption in Ultrathin Nanostructured Iron Oxide for Efficient Photoelectrochemical Water Splitting
photon management antirefl ection light trapping nanocone hematite photoelectrochemical cells
2015/8/6
We demonstrate using first-principles full-field electromagnetic simulations that nearly total above-band-gap solar absorption can be achieved in ultra-thin-film iron oxide photoanod...
We consider a mirror-symmetric resonator with two ports. We show that, when excited from a single port, complete absorption can be achieved through critical coupling to degenerate resonances with oppo...
Method to Monitor Atmospheric Atomic Mercury by a Differential Absorption Lidar System
Monitor Atmospheric Atomic Mercury Differential Absorption Lidar System
2016/12/2
A differential absorption lidar (DIAL) system has been developed for atomic mercury concentration monitoring and applied in ambient air monitoring in Guangzhou, China. A 24-hour measurement on backgro...
Differential absorption lidar system employed for background atomic mercury vertical profi ling in South China
Differential absorption lidar DIAL Atomic mercury Oxygen Pollutant
2016/12/2
A differential absorption lidar (DIAL) system based on a Nd:YAG laser pumped narrow-band dye laser is developed and employed to monitor the atmospheric background concentration of atomic mercury in Gu...
Effect of the Doping Layer Concentration on Optical Absorption in Si δ-Doped GaAs Layer
Doped GaAs Self-Consistently The Intersubband Absorption
2013/1/30
We study in this paper the intersubband optical absorption of Si doped GaAs layer for different applied electric fields and donors concentration. The electronic structure has been calculated by solvin...
Intensity Dependent Nonlinear Absorption in Direct and Indirect Band Gap Crystals under Nano and Picosecond Z-Scan
Direct and Indirect Band Gap Crystals Two Photon Absorption Three Photon Absorption Saturated Absorption
2013/1/30
The nonlinear absorption properties of direct (GaN) and indirect (CdI2) band gap crystals have been studied by using an open aperture Z-scan technique under fundamental (1064 nm) and frequency doubled...
Angular constraint on light-trapping absorption enhancement in solar cells
Angular constraint light-trapping absorption enhancement solar cells
2015/8/10
Light trapping for solar cells can reduce production cost and improve energy conversion efficiency.Understanding some of the basic theoretical constraints on light trapping is therefore of funda...
Transceiver Modules Utilizing Travelling-Wave Electro-Absorption Modulator
Waveguide modulators Optoelectronics Detectors
2015/6/10
Electro-Absorption-Transceiver (EAT) structures used as efficient Travelling-Wave Electro-Absorption-Modulator (TWEAM) as well as Travelling-Wave-Photo-Detector (TWPD)are investigated. Clear eye-openi...
Extraordinary optical absorption through subwavelength slits
Extraordinary optical subwavelength slits
2015/8/10
We report on the ability of resonant plasmonic slits to efficiently concentrate electromagnetic energy into a nanoscale volume of absorbing material placed inside or directly behind the slit. Th...
A Novel Theoretical Procedure to Determine Absorption and Gain Coefficients in a Symmetric Single Step-Index Quantum Well Laser
Novel Theoretical Procedure Determine Absorption Gain Coefficients Symmetric Single Step-Index Quantum Well Laser
2009/7/28
If the indices nII, nI,III of the regions, the thickness 2a of the active region (AR) and the wavelength l for a single symmetric step-index quantum well laser (SSSIQWL) are given, the normalized prop...
Clear eye opening 1.3μm-25 / 43Gbps EML with novel tensile-strained asymmetric QW absorption layer
tensile-strained asymmetric QW absorption layer
2015/7/16
We demonstrate 1.3μm-25/43Gbps EML with novel tensile-strained asymmetric quantum well absorption layer. Clear eye opening was achieved under high output power condition (>+5dBm) both before / after 1...
An Extremely Compact Electro-Absorption Modulator Integrated DFB Laser Module for 100Gbps Ethernet over 75km SMF Reach
Electro-Absorption Modulator Integrated DFB Laser Module f SMF
2015/8/4
One seventh miniaturized EA-DFB laser module with +/-100ps/nm dispersion tolerance at 25Gbps was demonstrated. It’s the world’s first module applicable to the small 100Gbps Ethernet transceiver.
Highly Nonlinear Silicon Photonics Slot Waveguides without Free Carrier Absorption Related Speed-Limitations
Highly Nonlinear Silicon Photonics Slot Waveguides Carrier Absorption
2015/8/4
Nonlinear losses of highly nonlinear silicon/organic photonics slot waveguides are analyzed. Unlike silicon strip waveguides, slot waveguides do not show absorption related speed limitations up to hig...
All-Optical Sampling Using Cross-Absorption Modulation in Electroabsorption Modulator for Optical Performance Monitor
All-Optical Sampling Cross-Absorption Modulation Electroabsorption Modulator Optical Performance Monitor
2015/7/31
All-optical sampling is experimentally demonstrated using cross-absorption modulation in an electroabsorption mod-ulator. A clear eye opening with 7-ps temporal resolution was obtained by optimizing t...