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Chinese Journal of Quantum Electronics
Contents
2000
Volume: 17 Issue 3
18 Article(s)
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Research Article
Calculation of the Dispersion with Structure Parameters of Stretcher by Ray-tracing Method
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In this paper, we calculate the dispersion of a general grating pair stretcher by ray-tracing method. With the result we analyze the influence of relative position of stretcher on second-order dispersion and aberration. The dispersion calculation can be the basis of stretcher adjusting.
In this paper, we calculate the dispersion of a general grating pair stretcher by ray-tracing method. With the result we analyze the influence of relative position of stretcher on second-order dispersion and aberration. The dispersion calculation can be the basis of stretcher adjusting..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 193 (2000)
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The Vertical Resolution Limit and it's Criterion of Confocal Microscopes
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The focal depth distribution of confocal microscopes and it's influence on the vertical resolution are analysed with the three-dimensional pulse response function and the three-dimensional transfer function. The vertical resolution limit and it's criterion are also given. The theory result coincide with the exp
The focal depth distribution of confocal microscopes and it's influence on the vertical resolution are analysed with the three-dimensional pulse response function and the three-dimensional transfer function. The vertical resolution limit and it's criterion are also given. The theory result coincide with the experimental result..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 199 (2000)
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The Reflection Properties of Middle-1/R Cantor Potential Well
[in Chinese], [in Chinese], and [in Chinese]
In this paper, the reflection coefficient of middle-1/R cantorpotential well are calculated by the method of interference matrix.The results obtained show that there is self-similarity in reflectionspectrum. This property will be applied in other fields.
In this paper, the reflection coefficient of middle-1/R cantorpotential well are calculated by the method of interference matrix.The results obtained show that there is self-similarity in reflectionspectrum. This property will be applied in other fields..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 205 (2000)
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Effective Mode Density in a Planar Micro-cavity
[in Chinese], and [in Chinese]
According to the idea of “mode counting”, we give the formulas for the effective mode density in a rectangular waveguide, and analyse the conditions at different points of the cavity and simulate the mode density curves at singular points with computer. The effective mode density describes the spontaneous emission rate
According to the idea of “mode counting”, we give the formulas for the effective mode density in a rectangular waveguide, and analyse the conditions at different points of the cavity and simulate the mode density curves at singular points with computer. The effective mode density describes the spontaneous emission rate of an atom, so this article give us a general idea about the features of spontaneous emission of an atom in a rectangular waveguide cavity..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 210 (2000)
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Analysis of Optical Switching in the Nonlinear Two-guide Coupler
[in Chinese]
In this paper we report a new analyzing technique for optical switching in the nonlinear two-guide coupler proposed recently by Deering et al., and show some calculation results. The technique can provide valuable informatin about the phase variation, and deal with other kind of nonlinear two-guide couplers.
In this paper we report a new analyzing technique for optical switching in the nonlinear two-guide coupler proposed recently by Deering et al., and show some calculation results. The technique can provide valuable informatin about the phase variation, and deal with other kind of nonlinear two-guide couplers..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 215 (2000)
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Study of Soliton Time Jitters in Twin-core Fiber
[in Chinese], and [in Chinese]
Time jitters in twin-core fiber is analyzed by using self-companying operator method through coupling nonlinear Schr"odinger equation. The results show: the time jitters relate closely with the input relative phases, the input amplitude of two solitons and propagation distance. There are apparent mode competition,
Time jitters in twin-core fiber is analyzed by using self-companying operator method through coupling nonlinear Schr"odinger equation. The results show: the time jitters relate closely with the input relative phases, the input amplitude of two solitons and propagation distance. There are apparent mode competition, periodic and non-periodic conduction of the time jitters in twin-core fiber..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 219 (2000)
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Theoretical Study on the Waveguide Coupling-loss of RF-excited Slab CO2 Lasers
[in Chinese], and [in Chinese]
In this paper, aone-dimension free-space-mode expansion method is used for calculating the coupling-lossof a total-metal RF slab CO<sub>2</sub>laser. The close relationship between waveguidecoupling-loss and the resonator mirrors' position and radius is discovered, and an optimalmethod to obtain minimum
In this paper, aone-dimension free-space-mode expansion method is used for calculating the coupling-lossof a total-metal RF slab CO<sub>2</sub>laser. The close relationship between waveguidecoupling-loss and the resonator mirrors' position and radius is discovered, and an optimalmethod to obtain minimum coupling-loss is presented..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 226 (2000)
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Experimental Study of Self-frequency-doubling NGAB Crystal
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
NGAB crystal index n o,n e at some specifical wavelengths and its temperature coefficient, which are measuredwith the combination of minimum deviation and fixed incident angle, are reported. Thecrystal dispersion equation is given, and its phase-matching angle at the wavelength 1.064μm iscalculated. More than 5mW of th
NGAB crystal index n o,n e at some specifical wavelengths and its temperature coefficient, which are measuredwith the combination of minimum deviation and fixed incident angle, are reported. Thecrystal dispersion equation is given, and its phase-matching angle at the wavelength 1.064μm iscalculated. More than 5mW of the output power at 0.53μm is obtained from a NGABcrystal with volume 3mm×3mm×5mm, pumped by LD;its light-light conversion efficiency is0.5%, and the output at 1.064μm is 214mW, the conversion efficiency is 26%..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 231 (2000)
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The Theoretical Study on the Wavelength Stability of Laser
[in Chinese], and [in Chinese]
The condition of wavelength stability of laser under harmonic vibration ω=1 is analyzed in this paper.
The condition of wavelength stability of laser under harmonic vibration ω=1 is analyzed in this paper..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 237 (2000)
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The Revision on the Pressure Broadening of Miniature Optically Pumped Submillimeter Wave Laser Ran Yong(State
[in Chinese], and [in Chinese]
Taking into accountpressure broadening effect of IR pumping laser, the theoretical model of miniatureoptically pumped submillimeter wave laser was revised according to the density matrixequations. The theoretical calculation results gotten by means of iteration method were inbetter agreement with the experimental resul
Taking into accountpressure broadening effect of IR pumping laser, the theoretical model of miniatureoptically pumped submillimeter wave laser was revised according to the density matrixequations. The theoretical calculation results gotten by means of iteration method were inbetter agreement with the experimental results..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 242 (2000)
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Dispersed Microstructure Model and Effective Dielectric Function for Three-component Metal-dielectric Composites
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The dispersedmicrostructure model for three-component metal-dielectric composite materials wasestablished, a convenient formula for calculating the effective dielectric function ofmulti-component composites was deduced. The theoretical calculations about the opticalabsorptive spectra of (Au,Ag)/SiO<sub>2</sub&
The dispersedmicrostructure model for three-component metal-dielectric composite materials wasestablished, a convenient formula for calculating the effective dielectric function ofmulti-component composites was deduced. The theoretical calculations about the opticalabsorptive spectra of (Au,Ag)/SiO<sub>2</sub>composite films predicted the existence ofmulti-resonance absorptive peaks, which were compared with the measured absorptivespectra..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 246 (2000)
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Synthesis and Optical Characterization of CdS-doped Microcrystals Na2O-B2O3-SiO2 Glass
[in Chinese], and [in Chinese]
The stiff sodium borosilicate gel doped with Cd(NO3)24H2O and SC(NH2)2 were prepared by using tetraethyl orthosilicate, boricacid, sodium ethoxide, Cd(NO3)2.4H2O and SC(NH2)2 as precursor. The sodium borosilicate glasses doped with CdS microcrystals were preparedby sintering sodium borosilicate transparent bulk gels wi
The stiff sodium borosilicate gel doped with Cd(NO3)24H2O and SC(NH2)2 were prepared by using tetraethyl orthosilicate, boricacid, sodium ethoxide, Cd(NO3)2.4H2O and SC(NH2)2 as precursor. The sodium borosilicate glasses doped with CdS microcrystals were preparedby sintering sodium borosilicate transparent bulk gels with CdS which was synthesized byreacting with H2S gas. The micro-struture of gels and glasses doped with CdS microcrystalswere studied by TEM method. The luminescence spectra of nanometer size CdSmicrocrystallites in glass were measured at various temperatures, the inhomogeneosbroadening constant of 150~meV was obtained. The third order nonlinear susceptibilitiesof the CdS microcrystal glass was characterized by Z-scan method, χ(3)is 6.5×10-12 esu..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 251 (2000)
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Compound Antenna for Millimeter Wave/Infrared Imaging
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
It is very important for systems of signal receiving or infrared imaging in missile weaponry. Each key link for developing compound antenna of millimeter wave/infrared imaging is systemically analyzed in this paper. It includes four parts: an infrared imaging system, a millimeter wave detector, an optical scanner and a
It is very important for systems of signal receiving or infrared imaging in missile weaponry. Each key link for developing compound antenna of millimeter wave/infrared imaging is systemically analyzed in this paper. It includes four parts: an infrared imaging system, a millimeter wave detector, an optical scanner and an infrared detector. The designed method of optical imaging system and optical scanner have been described. This optical system consists of two aspherical mirrors i.e. Cassegrain system, the designed datas have been given..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 259 (2000)
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High Energy Gamma Irradiation Effects on GaAs/AlGaAs Quantum Well Infrared Photodetectors
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
This paper reports theeffects of high energy gamma irradiation on the performance of QWIP. The dose ranged from1mrads to 16mrads. The dark current and spectral response of these radiated devices weremeasured at different dose levels. The detector performance becomes worse with increasingdose.
This paper reports theeffects of high energy gamma irradiation on the performance of QWIP. The dose ranged from1mrads to 16mrads. The dark current and spectral response of these radiated devices weremeasured at different dose levels. The detector performance becomes worse with increasingdose..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 265 (2000)
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Self-tuning of Prism Chromatic Dispersion Cavity and it's Computer Control System
[in Chinese], [in Chinese], and [in Chinese]
In this paper, thetheory and experimental method of self-tuning of prism chromatic dispersion cavity arediscussed in detail. The computer control system for self-tuning is also elaborated. Thistuning method can apply to solid tunable laser. In experiment, this tuning system is usedin Ti: sapphire laser pumped with 532~
In this paper, thetheory and experimental method of self-tuning of prism chromatic dispersion cavity arediscussed in detail. The computer control system for self-tuning is also elaborated. Thistuning method can apply to solid tunable laser. In experiment, this tuning system is usedin Ti: sapphire laser pumped with 532~nm of Nd:YAG mode-lockinglaser. It can realize output of wavelength range from 680~nm to 980~nm..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 269 (2000)
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Athermalization of Space Optical System
[in Chinese], [in Chinese], and [in Chinese]
The contribution tothermal stability of an optical system made by the thermal expansion of lens housing mustbe considered in the design of an athermal space optical system. Each component of anoptical system can be determined by solving the equations based on the power of system,athermal and achromatic requirements. An
The contribution tothermal stability of an optical system made by the thermal expansion of lens housing mustbe considered in the design of an athermal space optical system. Each component of anoptical system can be determined by solving the equations based on the power of system,athermal and achromatic requirements. An athermal space system can be designed by a way ofabberation correction upon condition of fixed power of the components. The thermal affectof optical system of the reflective imaging spectrometer was analysed. The athermalobjective of an imaging spectrometer was designed by using this optical-mechanical-thermalintegrated design technique..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 274 (2000)
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Program Structure of Embedded MCU Applied System
[in Chinese], and [in Chinese]
According to the trait of embedded MCU applied system, we present some rational and new design methods for well program structure.
According to the trait of embedded MCU applied system, we present some rational and new design methods for well program structure..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 279 (2000)
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Comparison of Stratospheric Ozone Measurements Made by Lidar, SAGE II and HALOE Satellites over Hefei Area
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The validation of stratospheric ozone measurement by lidar was demonstrated by the comparison with ozoneresults of SAGE II and HALOE. The analysis indicates that ozone profiles by lidar agreewell with ones by SAGE II over the altitudes 18~37.5km, their relativedifferences were within 12% from 20 to 30km and less than 2
The validation of stratospheric ozone measurement by lidar was demonstrated by the comparison with ozoneresults of SAGE II and HALOE. The analysis indicates that ozone profiles by lidar agreewell with ones by SAGE II over the altitudes 18~37.5km, their relativedifferences were within 12% from 20 to 30km and less than 26.5% from 32 to 35km altitudes.The ozone distribution by Lidar and HALOE measurement coincided well with the relativedifference less than 15% in the range 20~32km. Intercomparisons of ozone profiles presented bylidar, SAGE II and HALOE measurements on the same or adjacent days, show the betteragreement in the stratosphere..
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Chinese Journal of Quantum Electronics
Publication Date: Jun. 01, 2000
Vol. 17, Issue 3, 282 (2000)
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