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Journals >
Chinese Journal of Lasers
Contents
1982
Volume: 9 Issue 12
20 Article(s)
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Research Article
[in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 1 (1982)
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Laser Devices and Laser Physics
A method for calculation of beam parameters in stable optical resonators
Shen Hongyuan
An equivalen feresonator has been proposed. By adopting the ABCD law, we are able to establish an expression, which represents the relation between the optical beam parameters and the transmission ray-transfer matrix of the equivalent resonator. In comparison with the self-consistent method of ray-transfer matrix, it r
An equivalen feresonator has been proposed. By adopting the ABCD law, we are able to establish an expression, which represents the relation between the optical beam parameters and the transmission ray-transfer matrix of the equivalent resonator. In comparison with the self-consistent method of ray-transfer matrix, it reduces (N-2) second-order matrices, thus simplifying the calculation process, and the validity of calculation results are also checked..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 749 (1982)
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X-ray preionization and e-beam preionization for avalanche-discharge excimer lasers
Huo Yunsheng, Zheng Chengen, Bao Zixiang, and Wei Yunyong
Both X-ray preionization and e-beam preionization are investigated for avalanche-discharge excimer lasers by studying the number density of preionized electrons, the characteristics of the laser energy output and the discharge.
Both X-ray preionization and e-beam preionization are investigated for avalanche-discharge excimer lasers by studying the number density of preionized electrons, the characteristics of the laser energy output and the discharge..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 753 (1982)
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A YAG:Nd
3+
ring laser
Zhang Guifen
Directional ratio of about thirty has been obtained in a ring resonator with an additional mirror. The linewidth is compressed by ten times as compared with that of the stationary resonator without decrease of output power. A new opinion is put forword for the time characterestics of oscillation.
Directional ratio of about thirty has been obtained in a ring resonator with an additional mirror. The linewidth is compressed by ten times as compared with that of the stationary resonator without decrease of output power. A new opinion is put forword for the time characterestics of oscillation..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 757 (1982)
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Frequency noise of the ionization wave in He-Cd lasers
Lu Jianhua, Tang Wu, Jiang Jialin, and Fu Qiang
By measuring the discontinuous oscillation components of the continuous frequency spectrum for the beam noise of He-Cd lasers, it has been discovered that the boundary conditions of the laser tube, the discharge current and Cd atom density have influences on the frequency and the power output of the characteristic peak
By measuring the discontinuous oscillation components of the continuous frequency spectrum for the beam noise of He-Cd lasers, it has been discovered that the boundary conditions of the laser tube, the discharge current and Cd atom density have influences on the frequency and the power output of the characteristic peak of the ionization wave frequency, the de’pth of modulation, the 1/f noise bandwidth and other noise amplitudes. A 100% depth of modulation at that characteristic peak has been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 761 (1982)
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Operating conditions for free-electron lasers
Lei Shezhan, and Zhou Zhongyi
Conditions for amplifying the light radiation by relativistic electrons in the interaction between the light and electrons have been analyzed. It is shown that only when the phase relation and the frequency relation are satisfied, the inoidient relation would have higher net gain.
Conditions for amplifying the light radiation by relativistic electrons in the interaction between the light and electrons have been analyzed. It is shown that only when the phase relation and the frequency relation are satisfied, the inoidient relation would have higher net gain..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 764 (1982)
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Application of laser forward scattering pattern to monitoring centricity of silicone resin coated optical fibers
Wang Jianguo, Qin Chen, and Chen Huimin
In this paper, it is indicated that laser forward scattering pattern can also be used to insure good oentricity of silicone resin coated silica optical fibers. The generation and change of the pattern are explained by ray-optics principle. The feasibility of actual application of laser forward scattering pattern during
In this paper, it is indicated that laser forward scattering pattern can also be used to insure good oentricity of silicone resin coated silica optical fibers. The generation and change of the pattern are explained by ray-optics principle. The feasibility of actual application of laser forward scattering pattern during the drawing-coating process is confirmed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 768 (1982)
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White light laser speckles and their application to interior strain measurements
Zhao Yeying
Speckles generated by a white light laser are different from those by conventional monochromatic lasers. It is pointed out that the white light laser has its advantages when speckle technique is used. By measuring the displacement of a transparent object doped with scattering particles, we can observe not only the dist
Speckles generated by a white light laser are different from those by conventional monochromatic lasers. It is pointed out that the white light laser has its advantages when speckle technique is used. By measuring the displacement of a transparent object doped with scattering particles, we can observe not only the distinct interference pattern of speckles, but also make a quantitative analysis on the deformation of each section within the three dimensional transparent objects..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 773 (1982)
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Application of scanning electron microscope to laser research
Huang Dequn, and Wang Haobing
In this paper, observation results of the scanning election microscope on laser materials and components (including glasses, crystals, films, semiconductor lasers etc) are summarized. Other possible usages of the scanning electron microscope in laser research are also discussed.
In this paper, observation results of the scanning election microscope on laser materials and components (including glasses, crystals, films, semiconductor lasers etc) are summarized. Other possible usages of the scanning electron microscope in laser research are also discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 776 (1982)
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Study of a new reversible colour-change system by laser
Zheng Guanglin, and Shi Daojun
A new reversible colour-change system composed of a chlorine-containing polymer and dimethyl yellow dye is reported and this colour-change mechanism is discussed. Upon exposure to UV radiation the polymer is decomposed and releases HC1 which reacts further with the dye to induce a colour-change from yellow to red. When
A new reversible colour-change system composed of a chlorine-containing polymer and dimethyl yellow dye is reported and this colour-change mechanism is discussed. Upon exposure to UV radiation the polymer is decomposed and releases HC1 which reacts further with the dye to induce a colour-change from yellow to red. When irradiated with Ar+ laser, an inverse colour-change occurs presumably from the heating action of the laser..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 783 (1982)
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Laser power meter with fast time response at full spectral range
Huang Zhenguo, and Li Qiankang
A new pyroelectric laser power meter is introduced. It has fast time response (<1 sec), high sensitivity (18mV/W) and flat spectral response from the range of UV to IB (190.0 nm-25 μm).
A new pyroelectric laser power meter is introduced. It has fast time response (<1 sec), high sensitivity (18mV/W) and flat spectral response from the range of UV to IB (190.0 nm-25 μm)..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 786 (1982)
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[in Chinese]
[in Chinese], and [in Chinese]
In this paper we report the three- dimensional superradiance of the dye laser obtained by using the second harmonics from a giant pulsed YAP: Nd3+ laser oscillator-amplifier to pump "dye ball" Rhodamine 6G.
In this paper we report the three- dimensional superradiance of the dye laser obtained by using the second harmonics from a giant pulsed YAP: Nd3+ laser oscillator-amplifier to pump "dye ball" Rhodamine 6G..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 789 (1982)
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[in Chinese]
[in Chinese]
Using the deformed triangular profile model, the calculation formula of the defects depth are derived. The factors that influence the calculation accuracy are analysed, and the expression for the minimum loading pressure is given. Calculation results for determination of internal depth of the plane tire show that the t
Using the deformed triangular profile model, the calculation formula of the defects depth are derived. The factors that influence the calculation accuracy are analysed, and the expression for the minimum loading pressure is given. Calculation results for determination of internal depth of the plane tire show that the theory agrees with the experiments..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 790 (1982)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
Stimulated Raman scattering of picosecond pulses in methanol is investigated. Mode competition between 2837 cm-1 and 2942 cm-1 in methanol is discovered when excited with pulses of various durations.
Stimulated Raman scattering of picosecond pulses in methanol is investigated. Mode competition between 2837 cm-1 and 2942 cm-1 in methanol is discovered when excited with pulses of various durations..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 793 (1982)
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[in Chinese]
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
It is reported that prostate hyperplasia can be successfully treated by CO2 laser evaporation and 34 clinical cases have been analysed. The method has the advantages of high effectiveness, reliability, safety and the operation is very simple. More important point lies in the possibility of operations for the aged and w
It is reported that prostate hyperplasia can be successfully treated by CO2 laser evaporation and 34 clinical cases have been analysed. The method has the advantages of high effectiveness, reliability, safety and the operation is very simple. More important point lies in the possibility of operations for the aged and weak patients and also for the amalgamated patients suffering form heart, lungs, kidney diseases..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 794 (1982)
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[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 796 (1982)
Get PDF
[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 796 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 796 (1982)
Get PDF
[in Chinese]
[in Chinese]
.
showLess
Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 797 (1982)
Get PDF
[in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 12, 798 (1982)
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