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Journals >
Chinese Journal of Lasers
Contents
1981
Volume: 8 Issue 11
25 Article(s)
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Research Article
[in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 1 (1981)
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Laser Devices and Laser Physics
Theoretical analysis on backward-reflected laser light
Tan Weihang, and Ding Liming
In this paper we present the theoretical analysis on backward-reflected laser light. The subjects involved consist of Doppler frequency shift and broadening, ion Landau damping, Brillouin three wave coupling, Brillouin side scattering and wide spectrum laser heating.
In this paper we present the theoretical analysis on backward-reflected laser light. The subjects involved consist of Doppler frequency shift and broadening, ion Landau damping, Brillouin three wave coupling, Brillouin side scattering and wide spectrum laser heating..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 1 (1981)
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High brightness electron beam source and its effects
Wang Zhijiang, and Xu Zhizhan
We proposed to adopt high temperature laser plasma as an electron beam source. The evaluated results demonstrated that this electron source can be a millionfold as bright as thermal electron guns. The source may be useful to electron microscopy and free electron lasers.
We proposed to adopt high temperature laser plasma as an electron beam source. The evaluated results demonstrated that this electron source can be a millionfold as bright as thermal electron guns. The source may be useful to electron microscopy and free electron lasers..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 8 (1981)
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Vibrational relaxation processes in CO
2
-N
2
-H
2
O laser system
Tan Haixing
A number of important problems concerning relaxation processes of the system are discussed, such as relaxation mechanism of intramolecular V-V processes in CO2,mechanism of significant effect of H2O on relaxation,resonant energy transfer between v1 and v2 modes of CO2, identity of relaxation data in compression, and ex
A number of important problems concerning relaxation processes of the system are discussed, such as relaxation mechanism of intramolecular V-V processes in CO2,mechanism of significant effect of H2O on relaxation,resonant energy transfer between v1 and v2 modes of CO2, identity of relaxation data in compression, and expansion flows and possible nonequilibrium, among different vibrational levels in a mode and different rotational levels in a vibrational level. Problems that need further exploration are presented. This discussion is also found to be applicable to other laser systems..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 11 (1981)
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Investigation of laser beam induced birefringence effect in glasses
Deng He, Zhang Meizhen, and Li Chengfu
Laser beam induced birefringence effects of several types of optical and laser glasses were investigated, optical Kerr coefficient nk and nonlinear refractive coefficient n2 of these materials at 1.06m are given. Analogous measurments at 0.53m were also made, the dispersion effect of these coefficients was found to be
Laser beam induced birefringence effects of several types of optical and laser glasses were investigated, optical Kerr coefficient nk and nonlinear refractive coefficient n2 of these materials at 1.06m are given. Analogous measurments at 0.53m were also made, the dispersion effect of these coefficients was found to be distinct..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 18 (1981)
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Cu/CuCl vapor lasers with flowing buffer gas
Wang Yongjiang, Sun Wei, Yao Zhixing, and Shi Baoju
Some types of copper vapor lasers using copper chloride as a lasant and flowing neon as buffer gas are reported. Two kinds of high repetition pulsed electric circuits have been used with an energy storage capacitor discharging: (1) directly through a laser tube, (2) through a pulsed transformer for output coupling. The
Some types of copper vapor lasers using copper chloride as a lasant and flowing neon as buffer gas are reported. Two kinds of high repetition pulsed electric circuits have been used with an energy storage capacitor discharging: (1) directly through a laser tube, (2) through a pulsed transformer for output coupling. The maximum output power of a laser tube of 2.5 cm in diameter and electrode separation of 50 cm is 2.4W and the peak power 29 KW. The maximum output power of a laser tube of 1.1 em diameter and electrode separation of 30 cm is 1 W, and the peak power 5 KW, and it operates at an average power of 0.5 W for an accumulative period of about 100 hrs..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 22 (1981)
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A flash-pumped dye laser in green-red spectral range
Tang Xingli, Zhao Meicun, and Xu Shizong
In the report we describe our experimental study of a flash-pumped dye laser using four types of dyes:G522,Rh6Gr.,BhB and Rh3B. Its wavelengths ranges from 506.0~ 532.0 nm and 580.0~647.0 nm. The experimental results are discussed.
In the report we describe our experimental study of a flash-pumped dye laser using four types of dyes:G522,Rh6Gr.,BhB and Rh3B. Its wavelengths ranges from 506.0~ 532.0 nm and 580.0~647.0 nm. The experimental results are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 26 (1981)
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Parametric up-conversion of 10.6 μm radiation in proustite
Yang Jingguo, Wang Heen, Ran Ruijiang, Huang Tingxiu, and Luo Yu
Investigation on up-con version of 10.6m radiation in proustite is reported. Under phase-matched conditions and pumped with a free-running pulsed ruby laser (λp= 0.6943μm) (W=0.2kW/cm2) the maximum power conversion efficiency is 1.6×10-5.The optimum phase-matching angle is 2630 10 and the curves η(Q) and η(W) were
Investigation on up-con version of 10.6m radiation in proustite is reported. Under phase-matched conditions and pumped with a free-running pulsed ruby laser (λp= 0.6943μm) (W=0.2kW/cm2) the maximum power conversion efficiency is 1.6×10-5.The optimum phase-matching angle is 2630 10 and the curves η(Q) and η(W) were measured. The results are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 30 (1981)
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A novel method for manufacturing Blumlein circuit in fast discharge gas lasers
Liu Dianyou, and Guo Chu
A novel method for manufacturing Blumlein circuit in fast discharge gas lasers by thermopress-adhesion is described. The laminated flat made by this method is flexible and has fast rise time and high stability in discharge. Thus it is suitable for a fast discharge gas laser with improved output characteristics and can
A novel method for manufacturing Blumlein circuit in fast discharge gas lasers by thermopress-adhesion is described. The laminated flat made by this method is flexible and has fast rise time and high stability in discharge. Thus it is suitable for a fast discharge gas laser with improved output characteristics and can be made portable. Typical output parameters of N2 laser with this Blumlein circuit are given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 34 (1981)
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Optimum electrical match of an acousto-optic mode-locker
Xia Shunbao, Lu Fuyun, and Guan Xinan
In the first part of this paper, the design and adjusting method for LC impedance matching network are presented. By this method, the power absorbed by the transducer from an oscillator can exceed 95%. In the optimum matching state, the modulation depth of zero order light can be up to 92% when LiNbO3-dense flint acous
In the first part of this paper, the design and adjusting method for LC impedance matching network are presented. By this method, the power absorbed by the transducer from an oscillator can exceed 95%. In the optimum matching state, the modulation depth of zero order light can be up to 92% when LiNbO3-dense flint acousto-optic modulator is driven by 0.5 W BF power.In the second part, an oscillator circuit and its adjusting method are presented. Its frequency is continuously tunable over a range of 54.3~54.7 MHz and its stability is about (1~2)×10-6..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 37 (1981)
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Analysis and measurement of waveguide tube precision of the waveguide lasers
Wang Mingchang, Wang Wucheng, and Cheng Xinfeng
Waveguide tube is the core of waveguide lasers. Analysis, measurement and inspection of the waveguide tube precision are described in this paper. Requirements for minimizing the waveguide axis bending are given. The relation between the transverse deviation for the axial bending and the curvature radius of the waveguid
Waveguide tube is the core of waveguide lasers. Analysis, measurement and inspection of the waveguide tube precision are described in this paper. Requirements for minimizing the waveguide axis bending are given. The relation between the transverse deviation for the axial bending and the curvature radius of the waveguide is derived and the results of the measurement are given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 43 (1981)
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A laser range-finder with a ranging accuracy of ±0.5m
Zhou Zhengwen, Zhao Weiming, Cai Genxin, and Lu Qirong
This paper describes a compact pulsed laser range-finder with a ranging accuracy of ±0.5m and a maximum range of 5000m. Some factors affecting the ranging accuracy and the methods for improvement are discussed and some measurement data for this range finder are given.
This paper describes a compact pulsed laser range-finder with a ranging accuracy of ±0.5m and a maximum range of 5000m. Some factors affecting the ranging accuracy and the methods for improvement are discussed and some measurement data for this range finder are given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 46 (1981)
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Optimum alloying condition in ohmic contact
Xie Jingshan
The optimum alloying condition in ohmic contact of GaAlAs/GaAs and InGaAsP/InP semiconductor lasers is described in detail, and theoretical analysis on the point of view of metallization is given.
The optimum alloying condition in ohmic contact of GaAlAs/GaAs and InGaAsP/InP semiconductor lasers is described in detail, and theoretical analysis on the point of view of metallization is given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 49 (1981)
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Peripheral iridectomy by ruby laser
Lu Daoping
A technique is described for peripheral irideetomy with a slit-lamp ruby laser system in the treatment of early angle-closure glaucoma. 61 out of 64 eyes treated by a. two-step procedure were successful. Three eyes received a second treatment one week later by making an opening.
A technique is described for peripheral irideetomy with a slit-lamp ruby laser system in the treatment of early angle-closure glaucoma. 61 out of 64 eyes treated by a. two-step procedure were successful. Three eyes received a second treatment one week later by making an opening..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 52 (1981)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
The characteristics are described of a simple transversely-excited atmospheric N2 laser in which Blumlein circuit and ceramic type capacitors are connected in parallel. The experimental results for the laser operating at 3371 A have been obtained. The effects of various material electrodes and capacitors on discharge a
The characteristics are described of a simple transversely-excited atmospheric N2 laser in which Blumlein circuit and ceramic type capacitors are connected in parallel. The experimental results for the laser operating at 3371 A have been obtained. The effects of various material electrodes and capacitors on discharge and laser output power are also studied..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 54 (1981)
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[in Chinese]
[in Chinese], and [in Chinese]
A quasi-saturation phenomenon of Nd3+: YAG pulsed laser ouput energy is reported and the methods for supressing the phenomenon are discussed.
A quasi-saturation phenomenon of Nd3+: YAG pulsed laser ouput energy is reported and the methods for supressing the phenomenon are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 56 (1981)
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[in Chinese]
[in Chinese]
This paper deseribes in detail a reliable and practical technique for bonding DH-GaAlAs/GaAs laser diodes. The series resistance, thermal resistance and bonding strain of DH-GaAlAs/GaAs laser diodes fabricated by this technique have been obviously reduced.
This paper deseribes in detail a reliable and practical technique for bonding DH-GaAlAs/GaAs laser diodes. The series resistance, thermal resistance and bonding strain of DH-GaAlAs/GaAs laser diodes fabricated by this technique have been obviously reduced..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 58 (1981)
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[in Chinese]
[in Chinese]
A simple and precise method for measuring small spot size of laser beams is described. Piezoelectric ceramics is used as a translational element.
A simple and precise method for measuring small spot size of laser beams is described. Piezoelectric ceramics is used as a translational element..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 59 (1981)
Get PDF
[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 60 (1981)
Get PDF
[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 60 (1981)
Get PDF
[in Chinese]
[in Chinese], and [in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 61 (1981)
Get PDF
[in Chinese]
[in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 62 (1981)
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[in Chinese]
[in Chinese], and [in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 62 (1981)
Get PDF
[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 63 (1981)
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[in Chinese]
[in Chinese], and [in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 8, Issue 11, 64 (1981)
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Laser Devices and Laser Physics