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Journals >
Chinese Journal of Lasers
Contents
1982
Volume: 9 Issue 8
20 Article(s)
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[in Chinese]
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 1 (1982)
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Laser Devices and Laser Physics
Net power loss of coherent light in laser cavity and the linewidth of laser
Yan Zuqi
Some problems about the calculation of the storage energy U and PN, the net power loss of coherent light in the cavity are discussed in accordance with such lasers in which the distribution of light intensity and population are transversely nonunif orm, and the revised formula of linewidth has been obtained.
Some problems about the calculation of the storage energy U and PN, the net power loss of coherent light in the cavity are discussed in accordance with such lasers in which the distribution of light intensity and population are transversely nonunif orm, and the revised formula of linewidth has been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 493 (1982)
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Study on two-photon optical multistability
Li Fuli
The theory of two-photon optical bistability has been extended to include all the AC Stark shift terms. It is shown for the first time that there exist double bistability and two types of tristability.
The theory of two-photon optical bistability has been extended to include all the AC Stark shift terms. It is shown for the first time that there exist double bistability and two types of tristability..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 496 (1982)
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Dynamic interference effect of reflectance of ion-implanted Si by intense CO
2
laser radiation
Li Tuanheng
Theory and experiment have shown dynamical interference of the reflectance of P+-implanted Si for He-Ne laser beam by CW CO2 laser annealing. Analysing the dependence of the reflection on the time, we have discovered that the epitaxial growth rate of Ion-implanted layer of Si is not uniform during the crystallization.
Theory and experiment have shown dynamical interference of the reflectance of P+-implanted Si for He-Ne laser beam by CW CO2 laser annealing. Analysing the dependence of the reflection on the time, we have discovered that the epitaxial growth rate of Ion-implanted layer of Si is not uniform during the crystallization..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 498 (1982)
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Time dependence of temperature distribution in solid state laser rods
Lin Fucheng, and Zhang Shanshan
Homogeneous pumping induced time dependence of temperature distribution in Bolid state laser rods during pumping is.calculated. The thermal conductivity can be neglected for the single pulse operation and the temperature dstribution is determined solely by the pumping distribution. The build-up time of the steady state
Homogeneous pumping induced time dependence of temperature distribution in Bolid state laser rods during pumping is.calculated. The thermal conductivity can be neglected for the single pulse operation and the temperature dstribution is determined solely by the pumping distribution. The build-up time of the steady state, temperature distrbution and temperature fluctuation are obtained for cw and pulse repetition operation. Data are given for the typical YAG devices..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 501 (1982)
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Laser action during the induction period of photoinitiated F
2
/H
2
chain reactions
Chen Xirong, Zhang Yurilu, Sun Faxin, Wang Zhongcheng, and Zhang Cunhao
Both kinetic speotrosoopic measurement of uv absorption of flash-photolyzed F2 and the results of a simple numerical modeling of pulsed HF chemical lasers confirm the existence of an induction period. The computer modeling also shows that, below 100K and at a realizable initiation level (nF=1016-1017cm-3), the chain re
Both kinetic speotrosoopic measurement of uv absorption of flash-photolyzed F2 and the results of a simple numerical modeling of pulsed HF chemical lasers confirm the existence of an induction period. The computer modeling also shows that, below 100K and at a realizable initiation level (nF=1016-1017cm-3), the chain reaction will carry on only to a tiny conversion of 0.3%, resulting in a considerably lower laser output energy. Consequently, Bashkin’s proposal of operating a pulsed HF laser at 100K appears impracticable..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 505 (1982)
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Q-Switched mode selection of chlorophyll d
Kuang Shexi, Hong Shunkun, Wu Wenling, and Xie Zongli
The selection effects of chlorophyll d on longitudinal mode of the giant pulsed TEMoo ruby laser is investigated and analyzed and the optimum selection of solvents for chlorophyll d is discussed.
The selection effects of chlorophyll d on longitudinal mode of the giant pulsed TEMoo ruby laser is investigated and analyzed and the optimum selection of solvents for chlorophyll d is discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 512 (1982)
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Determination and study of gain, saturation intensity and internal losses of intracavity-waveguide CO
2
lasers
Wang Ruifeng, and Tian Rongsheng
A novel method is devised to determine the small signal gain, saturation intensity and internal losses of intracavity-waveguide CO2 lasers. Reasons for that transition in 00l-020 band which occurs readily in a glass waveguide laser is analysed, and a simple method to restrain transition in 001-020 band is suggested.
A novel method is devised to determine the small signal gain, saturation intensity and internal losses of intracavity-waveguide CO2 lasers. Reasons for that transition in 00l-020 band which occurs readily in a glass waveguide laser is analysed, and a simple method to restrain transition in 001-020 band is suggested..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 515 (1982)
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An ArF excimer laser at 193 nm
Shangguan Cheng, Yuan Cailai, Te Chao, and Dou Airong
In this paper an improved ArF excimer laser at 193 nm is reported. The single pulse output energy is over 200mj. The effect of UV-preionization on the laser output performances is discussed in detail.
In this paper an improved ArF excimer laser at 193 nm is reported. The single pulse output energy is over 200mj. The effect of UV-preionization on the laser output performances is discussed in detail..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 520 (1982)
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Optically regenerative electro-optically Q-switched Nd
3+
:YAG laser for laser-microspectral analysis
Zhao Yansheng
An optically regenerative electrooptically Q-switehed NdrYAG laser with unstable optical resonators has been used in microspectral analysis. The standard deviation of stability of laser output is 0.92%(rms)under the condition of free running and less than 5% in Q-switching; the sampling diameter is about 5 to 450 pm; a
An optically regenerative electrooptically Q-switehed NdrYAG laser with unstable optical resonators has been used in microspectral analysis. The standard deviation of stability of laser output is 0.92%(rms)under the condition of free running and less than 5% in Q-switching; the sampling diameter is about 5 to 450 pm; and the adaptability and reliability of the instrument have been greatly improved..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 527 (1982)
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Measurement of fast discharged current for transversely excited Blumlein excimer lasers
Xia Kangmin, Chen Bichun, Liu Miaohong, Chen Jianwen, and Fu Shufen
This paper reports the measurement of the fast discharge pulsed current, which combines magneto-optical method and Rogowski coil method, and presents the experimental results on KrF excimer laser system.
This paper reports the measurement of the fast discharge pulsed current, which combines magneto-optical method and Rogowski coil method, and presents the experimental results on KrF excimer laser system..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 529 (1982)
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Study of the coatings on metal surface for laser treatment
Su Baorong, Wang Zeen, Luo Naicao, Hu Wengfu, and Qi Quanxin
A method to measure the absorptivity of powder coatings on metal surfaces is presented. The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO2 laser beam with low and high power density.
A method to measure the absorptivity of powder coatings on metal surfaces is presented. The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO2 laser beam with low and high power density..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 533 (1982)
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Measurement of lateral diffusion coefficient for Ti: LiNbO
3
channel waveguide
Zhang Zhishun, Jiang Jinxiu, Zhang Diyang, and Wang Shurong
Scanning electron microscope has been used to observe Ti diffusion parallel to Z direction of the sample surface out of a narrow strip which corresponds to 9 m wide channel waveguide on Y cut LiNbO3 substrate. From these measurements lateral diffusion coefficient was calculated and the swelling of channel at the surfac
Scanning electron microscope has been used to observe Ti diffusion parallel to Z direction of the sample surface out of a narrow strip which corresponds to 9 m wide channel waveguide on Y cut LiNbO3 substrate. From these measurements lateral diffusion coefficient was calculated and the swelling of channel at the surface was also observed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 537 (1982)
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Experimental research on carbon cone energy meter
Wang Ruihua, Yu Guiqiu, and Dai Meilan
Experimental research and analysis have been made on some problems of carbon cone energy meter in usage.
Experimental research and analysis have been made on some problems of carbon cone energy meter in usage..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 540 (1982)
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On superfluorescence
Shen Ke
In this paper, the fundamental features of the superfluorescence, the mean field theory of superfiuorescence and the possibility of X-ray laser and y-ray laser by means of the mechanism of superfiuorescence are discussed.
In this paper, the fundamental features of the superfluorescence, the mean field theory of superfiuorescence and the possibility of X-ray laser and y-ray laser by means of the mechanism of superfiuorescence are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 545 (1982)
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The higher order ion X-ray spectrum of microfilings falling onto the glass mieroballoons excited by high power laser light can be identified by T1AB X-ray crystal spectrometer, thereby it is helpful for trace analysis.
[in Chinese], [in Chinese], and [in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 551 (1982)
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[in Chinese]
[in Chinese]
A patient suffering from serious auricula-periosteo chondritis was cured with local irradiation of He-Ne laser light and he has been very fine for five years.
A patient suffering from serious auricula-periosteo chondritis was cured with local irradiation of He-Ne laser light and he has been very fine for five years..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 552 (1982)
Get PDF
[in Chinese]
[in Chinese]
This paper deals mainly with two questions. One is the curative effect of CO2, He-Ne lasers in dermatology, surgery, internal medicine, gynaecology and facial features. The other is the protection of the medical workers and the patients. It is considered that when an angioma and other cuticle focuses is treated by CO2
This paper deals mainly with two questions. One is the curative effect of CO2, He-Ne lasers in dermatology, surgery, internal medicine, gynaecology and facial features. The other is the protection of the medical workers and the patients. It is considered that when an angioma and other cuticle focuses is treated by CO2 laser, the best protecting way is to use nonberired fabrics..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 552 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 555 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 8, 556 (1982)
Get PDF
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