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There are 14 papers published in subject: > since this site started. |
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1. The performance of photonic cube nanoantenna | |||
ZHOU Yantao,JIAO Rongzhen | |||
Physics 09 October 2016 | |||
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Abstract:In the progress of improving the performance of single photon source for the quantum communication network, efficient coupling of the emitted light from the nano-emitter to photonic circuits is challenging. Nanoantenna can change the emission performance of single photon source. We put a nano-cube aside the single photon emitter as a reflector, and investigate the influence of the material and the side length of nano-cube on the emission properties of cube nanoantenna. And we change the emitter direction by changing the distance of the dipole emitter and nano-cube. | |||
TO cite this article:ZHOU Yantao,JIAO Rongzhen. The performance of photonic cube nanoantenna[OL].[ 9 October 2016] http://en.paper.edu.cn/en_releasepaper/content/4706239 |
2. Characteristics of the astrophysical and space plasmas with power-law distributions | |||
Du Jiulin | |||
Physics 18 November 2015 | |||
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Abstract:Power-law distributions in astrophysical and space plasmas have been frequently observed and studied. The power-law distributions represent stationary nonequilibrium states of some complex systems away from equilibrium with non-local and long-range interactions. The characteristics of this kind of plasmas with the power-law distributions generally depend on the power-law parameters and thus are always different from those known in the plasma physics using Boltzmann statistics with exponential distributions. The characteristics of the astrophysical and space plasmas with power-law distributions can be studied in the framework of nonextensive statistics. | |||
TO cite this article:Du Jiulin. Characteristics of the astrophysical and space plasmas with power-law distributions[OL].[18 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4661479 |
3. Optimal Construction of P-type Polymer/Au Interfaces for Robust Photodetector | |||
LI Juan,WANG Shuai,QIAN Lihua | |||
Physics 10 May 2015 | |||
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Abstract:Reducing the dark currents is an effective route to suppress thermal damage of organic optoelectronic devices and enhances the on/off ratio of photoelectric devices. Different from the single crystalline nanostructures and organic hetero-junctions with the well-matched energy levels, thin hybrid films consisting of p-type polymer and gold nanoparticles are constructed as an efficient photodetector in this work. The rationalized polymer/Au interfaces decrease the dark current by a factor of 100 times, meanwhile the corresponding response and recovery times are respectively decreased by 71% and 60% in comparison with pure polymer conterpart. Gold nanoparticles are considered as the plasmonic absorber for the incident light to enhance the on/off ratio in electrical current, especially the optimized recyclability of output signal evidenced by the negligible declination after 900 cycles will offer an attractive path to configure the robust photodetector with high efficiency and long lifetime. | |||
TO cite this article:LI Juan,WANG Shuai,QIAN Lihua. Optimal Construction of P-type Polymer/Au Interfaces for Robust Photodetector[OL].[10 May 2015] http://en.paper.edu.cn/en_releasepaper/content/4642709 |
4. Modeling of hydrogen retention and recycling in plasma-facing graphite | |||
LIU Shengguang,SUN Jizhong,DAI Shuyu,WANG Dezhen | |||
Physics 21 November 2013 | |||
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Abstract:The graphite used as plasma facing components in fusion devices is composed of graphitic crystallites, connected by intercrystalline voids. The porous structure gives rise to great complexity to understand the hydrogen transport behaviour in graphite. In this work dynamic Monte Carlo simulations are carried out to understand the dependence of the hydrogen retention, re-emission, and thermal desorption on the void fraction of graphite. The results show that the void fraction plays an important role in hydrogen retention and release behaviour. | |||
TO cite this article:LIU Shengguang,SUN Jizhong,DAI Shuyu, et al. Modeling of hydrogen retention and recycling in plasma-facing graphite[OL].[21 November 2013] http://en.paper.edu.cn/en_releasepaper/content/4571152 |
5. Generation of hemispherical fast electron waves in the presence of preplasma in ultraintense laser-matter interaction | |||
Yang Xiaohu,Ma Yanyun,Xu Han,Yu Mingyang,Shao Fuqiu | |||
Physics 04 January 2013 | |||
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Abstract:Hemispherical electron plasma waves generated from ultraintenselaser interacting with a solid target having asubcritical preplasma is studied using particle-in-cell simulation.As the laser pulse propagates inside the preplasma, it becomesself-focused due to the response of the plasma electrons to theponderomotive force. The electrons are mainly heatedvia betatron resonance absorption, and their thermal energy canbecome higher than the ponderomotive energy. The hot electronseasily penetrate through the thin solid target and appear behind itas periodic hemispherical shell-like layers separated by the laserwavelength. | |||
TO cite this article:Yang Xiaohu,Ma Yanyun,Xu Han, et al. Generation of hemispherical fast electron waves in the presence of preplasma in ultraintense laser-matter interaction[J]. |
6. Anomalous microwave reflection from a metal surface induced by spoof surface plasmon | |||
Wang Liang,Cao Jinxiang | |||
Physics 10 November 2012 | |||
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Abstract:The reflection of X-band microwaves (8-12 GHz) from a metallic aluminum (Al) surface with groove grating corrugations was investigated experimentally. It was shown that the reflection of p-polarization is much less than the microwave reflected from the corresponding area of an unruled Al surface, with selective wavelength. The experimental results demonstrated that the anomalous microwave reflection is strongly associated with the excitation of spoof surface plasmons at the Al-air interface by the surface grating coupler. This near-total absence of reflected microwaves is similar to the famous Wood's anomaly in the optical regime and is of fundamental importance to the applications of spoof surface plasmons in the microwave regime. | |||
TO cite this article:Wang Liang,Cao Jinxiang. Anomalous microwave reflection from a metal surface induced by spoof surface plasmon[J]. |
7. A novel method to adjust enhanced X-band microwave transmission and beaming | |||
Liu Yu,Cao Jinxiang,Wang Jian,Zheng Zhe,Du Yinchang,Xu Liang | |||
Physics 23 March 2012 | |||
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Abstract:In this paper,we present a novel method to adjust enhanced X-band microwave transmission and beaming through controlling the distance between grooves on the front and back surface. Extraordinary transmission and beaming effect was influenced at X-band microwave frequencies (8-12GHZ). It demonstrates a new way to achieve directional selectivity in microwave frequencies. | |||
TO cite this article:Liu Yu,Cao Jinxiang,Wang Jian, et al. A novel method to adjust enhanced X-band microwave transmission and beaming[J]. |
8. Electron energy and the effective electron temperature of Argon plasma studied by global simulations combined with optical emission spectroscopic measurements | |||
Wen Xueqing,Xin Yu,Feng Chunlei,Ding Hongbin | |||
Physics 22 January 2012 | |||
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Abstract:In this paper, the behavior of argon plasma driven by nanosecond pulsed plasma in a low-pressure plasma reactor is investigated using a global model, and the results are compared with the experimental measurements. The time evolution of plasma density and the electron energy probability function are calculated by solving the energy balance and Boltzmann equations. During and shortly after the discharge pulse, the electron energy probability function can be represented by a bi-Maxwellian distribution, indicating two energy groups of electrons. According to the effective electron temperature calculation, we find that there are more high-energy electrons that play an important role in the excitation and ionization processes than low-energy electrons. The effective electron temperature is also measured via optical emission spectroscopy to evaluate the simulation model. In the comparison, the simulation results are found to be in agreement with the measurements. Furthermore, variations of the effective electron temperature are presented versus other discharge parameters, such as pulse width time, pulse rise time and gas pressure. | |||
TO cite this article:Wen Xueqing,Xin Yu,Feng Chunlei, et al. Electron energy and the effective electron temperature of Argon plasma studied by global simulations combined with optical emission spectroscopic measurements[OL].[22 January 2012] http://en.paper.edu.cn/en_releasepaper/content/4461168 |
9. The role of N2(A) species in the removal process of formaldehyde during the pulsed post-discharge | |||
Feng ChunLei,Gao Liang,Ding Hongbin | |||
Physics 18 January 2012 | |||
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Abstract:In this paper, the temporal evolutions of CH2O in the nanosecond pulsed post discharge of both N2 and N2 /O2 mixture have been investigated by laser induced fluorescence technique. A 355 nm laser was used to excite the A -X band transition of CH2O and the strongest 395.3 nm flurescence has been used to monitor the time resolved measurements of CH2O concentration started from 250 ns after the discharge pulse with the maximum detecting sensitivity. The results indicated that nitrogen triplet metastablestates N2(A) have played an important role in the removal process of formaldehyde molecule. | |||
TO cite this article:Feng ChunLei,Gao Liang,Ding Hongbin. The role of N2(A) species in the removal process of formaldehyde during the pulsed post-discharge[OL].[18 January 2012] http://en.paper.edu.cn/en_releasepaper/content/4461120 |
10. Evolution of metastable state molecules N2(A3Σu+) in a nanosecond pulsed discharge: a PIC/MCC simulation | |||
Gao Liang,Ding Hongbin | |||
Physics 18 January 2012 | |||
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Abstract:A Particle-In-Cell (PIC) plus Monte Carlo Collisions (MCC) method has been employed to investigate the nitrogen discharge driven by a nanosecond pulse power source. To assess whether the production of the metastable state N2(A3Σu+) can be efficiently enhanced in a nanosecond pulsed discharge, the evolutions of metastable state N2(A3Σu+) density and electron energy distribution function (EEDF) have been examined in detail. The simulation results indicate that the ultra short pulse can modulate the electron energy effectively: during the early pulse-on time, high energy electrons give rise to quick electron avalanche and rapid growth of the metastable state N2(A3Σu+) density. It is estimated that for a single pulse with amplitude of -9 kV and pulse width 30 ns, the metastable state N2(A3Σu+) density can achieve a value in the order of 109 cm-3. The N2(A3Σu+) density at such a value could be easily detected by laser-based experimental methods. | |||
TO cite this article:Gao Liang,Ding Hongbin. Evolution of metastable state molecules N2(A3Σu+) in a nanosecond pulsed discharge: a PIC/MCC simulation[OL].[18 January 2012] http://en.paper.edu.cn/en_releasepaper/content/4461129 |
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