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Journals >
Chinese Journal of Lasers
Contents
1979
Volume: 6 Issue 9
13 Article(s)
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 1 (1979)
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Laser Devices and Laser Physics
Investigation of XeF laser radiation spectra
[in Chinese], [in Chinese], and [in Chinese]
The spectral distribution of XeF laser light was investigated with second order spectra of a 2M grating spectroscope, 90 laser lines were obtained, and 57 of them were observed for the first time.
The spectral distribution of XeF laser light was investigated with second order spectra of a 2M grating spectroscope, 90 laser lines were obtained, and 57 of them were observed for the first time..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 1 (1979)
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Analysis of output pulse profiles of a TEA CO
2
laser
Lou Chihong, Yu Shusheng, and Ding Aizhen
The output characteristics of a TEA CO2 laser for various gas mixtures and various pump levels are quantitatively calculated using time-varying electron excitation coefficients. The calculation results are in good agreement with those of experiments. According to the theory of partial population inversion suggested by
The output characteristics of a TEA CO2 laser for various gas mixtures and various pump levels are quantitatively calculated using time-varying electron excitation coefficients. The calculation results are in good agreement with those of experiments. According to the theory of partial population inversion suggested by Polanyi, the conditions for partial population of CO2 molecules are discussed. The single peak of the output pulse for gas mixtures involving N2 is explained with the partial population inversion..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 5 (1979)
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Analysis and assessment for a number of cavity configurations of solid state lasers
Zhang Guangyin
By means of the transformation circle diagram, a number of universal cavity configurations for solid state lasers are analyzed and assessed from the aspects of thermal insensitivity, mode property, compactness of configuration and utilization ratio of active medium.
By means of the transformation circle diagram, a number of universal cavity configurations for solid state lasers are analyzed and assessed from the aspects of thermal insensitivity, mode property, compactness of configuration and utilization ratio of active medium..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 11 (1979)
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Stimulated Brillouin Scattering in Nd-doped glasses
Liu Shonghao, Chen Zhongyu, Yang Hanging, and Chen Qiao
By using a Q switched high power glass laser, SBS (Stimulated Brillouin Scattering) is observed before the appearence of damage in Nd glasses under our experimental conditions. However, SBS can not be regarded as the main mechanism for damage in Nd-doped glasses.
By using a Q switched high power glass laser, SBS (Stimulated Brillouin Scattering) is observed before the appearence of damage in Nd glasses under our experimental conditions. However, SBS can not be regarded as the main mechanism for damage in Nd-doped glasses..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 19 (1979)
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Study on the spectroscopic and fluorescence characteristics of Nd-doped phosphate glasses
Hu Herfang
Two series of Nd-doped glasses Li2OBaOXP2O5 and 45RmO55P2O5 where R is alkali or alkaline earth element, were prepared, and their absorption and fluorescence spectra were measured. Based on the Judd-Ofelt theoretical model, the effects of various oxides on the fluorescence properties of Nd-doped phosphate glasses were
Two series of Nd-doped glasses Li2OBaOXP2O5 and 45RmO55P2O5 where R is alkali or alkaline earth element, were prepared, and their absorption and fluorescence spectra were measured. Based on the Judd-Ofelt theoretical model, the effects of various oxides on the fluorescence properties of Nd-doped phosphate glasses were studied. It was shown that the spontaneous radiative transition probability of Nd3+ increases with the decreasing of field strength of cations..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 23 (1979)
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Dye laser forced oscillator
Tang Xiao, Feng Baohua, and Zhang Zuren
A method is described for obtaining high power, tunable dye laser output of narrow linewidth. The experimental set up is introduced on which high power output of 30mj and 520mj with linewidths of 0.03A°and 0.1A° have been obtained.
A method is described for obtaining high power, tunable dye laser output of narrow linewidth. The experimental set up is introduced on which high power output of 30mj and 520mj with linewidths of 0.03A°and 0.1A° have been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 29 (1979)
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Investigations on ultrashort laser pulses——Generation and measurement, selection and amplification
Tang Guisheng, Zhi Tingting, Xie Ziming, and Qiu Peixia
Investigation results on ultrashort pulses of a passively mode-looked Nd glass laser are presented in this article. The generation, selection and amplification of the ultrashort pulses are described in particular. The effects of dye cell, dye concentration and the transmissivity of the output mirror on mode locking hav
Investigation results on ultrashort pulses of a passively mode-looked Nd glass laser are presented in this article. The generation, selection and amplification of the ultrashort pulses are described in particular. The effects of dye cell, dye concentration and the transmissivity of the output mirror on mode locking have been studied. The amplification factor and the signal-to-noise ratio for pulses of 10 ps to 130 ps have been measured. Some of the experimental results on interaction between ultrashort pulses and plasma are also included..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 31 (1979)
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A technique for glass sealing of optical windows and laser cavity mirrors
Fan Pingzhong, Ling Yingyi, Yu Yaojin, Yu Zhijie, and Zhuang Xin
The requirements of sealing for optical windows and laser cavity mirrors are briefly discussed in this paper and several sealing techniques in existence are compared.A technique of direct glass sealing for optical windows and laser mirrors is described and some sealing characteristics are presented.
The requirements of sealing for optical windows and laser cavity mirrors are briefly discussed in this paper and several sealing techniques in existence are compared.A technique of direct glass sealing for optical windows and laser mirrors is described and some sealing characteristics are presented..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 39 (1979)
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A symmetric prizm optical coupler for observing waveguide modes and measuring parameters of thin film
Xu Dewei
The parameters for waveguide thin film of BaK2 glass prepared on a substrate of 10×75×2mm3 K9 glass were measured. The observed values Nm are in good agreement with the theoretical ones.
The parameters for waveguide thin film of BaK2 glass prepared on a substrate of 10×75×2mm3 K9 glass were measured. The observed values Nm are in good agreement with the theoretical ones..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 43 (1979)
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Parameter selection for highly stable CO
2
laser oscillators
Wang Yuzhi, Liu Yashu, and Xu Ruming
Some problems on parameter selection for stable monomode CO2 oscillators are discussed.
Some problems on parameter selection for stable monomode CO2 oscillators are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 46 (1979)
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Longitudinal DKDP electro-optic modulators connected in series
Li Gongjin, and Li Xuezheng
A description of the design, processing and compact and perfect configuration of longitudinal DKDP electro-optic modulators connected in series is given in detail. The technical performances of the modulators are particularly applicable for laser rangefinders.
A description of the design, processing and compact and perfect configuration of longitudinal DKDP electro-optic modulators connected in series is given in detail. The technical performances of the modulators are particularly applicable for laser rangefinders..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 49 (1979)
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Measurement of laser power and energy
Xiang Liren
Three methods, photothermal, photoelectric and thermoelectric methods for measurement of laser power and energy are reviewed. The performances of the available domestic and foreign devices are tabulated, and a brief comment is made on the future development of the measurement components and instruments.
Three methods, photothermal, photoelectric and thermoelectric methods for measurement of laser power and energy are reviewed. The performances of the available domestic and foreign devices are tabulated, and a brief comment is made on the future development of the measurement components and instruments..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 6, Issue 9, 53 (1979)
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