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Journals >
Chinese Journal of Lasers
Contents
1984
Volume: 11 Issue 4
21 Article(s)
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[in Chinese]
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 1 (1984)
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Laser Devices and Laser Physics
LiF:F
-
2
colour center laser
Zhang Guifen
This paper reports the experimental results on the LiF:F2- laser pumped by a Nd3+: glass laser. The stability of F2- colour centers are discussed.
This paper reports the experimental results on the LiF:F2- laser pumped by a Nd3+: glass laser. The stability of F2- colour centers are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 196 (1984)
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Longitudinal excitation of XeCl excimer lasers
Zhou Zhenzhuo, Zeng Yongjian, and Qiu Mingxin
A XeCl excimer laser excited by longitudinal gas discharge is reported. The laser output was increased by means of preionization to improve the discharge uniformity. The main performances of the laser output were measured. The laser pulse duration was 35 ns and the maximum laser energy being 317μJ with an efficiency of
A XeCl excimer laser excited by longitudinal gas discharge is reported. The laser output was increased by means of preionization to improve the discharge uniformity. The main performances of the laser output were measured. The laser pulse duration was 35 ns and the maximum laser energy being 317μJ with an efficiency of 0.29%..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 199 (1984)
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A CW DCN waveguide laser
Li Wenlai, and Xu Yougang
This paper describes a CW waveguide laser operating at DCN lines at 195μm and 190 μm and presents the experimental results and the relationship between the output power and other parameters.The laser cavity consists of a fused quartz tube of 4.8 cm in diameter, 2.5m long. The maximum output power of the laser is of the
This paper describes a CW waveguide laser operating at DCN lines at 195μm and 190 μm and presents the experimental results and the relationship between the output power and other parameters.The laser cavity consists of a fused quartz tube of 4.8 cm in diameter, 2.5m long. The maximum output power of the laser is of the order of 30 mW..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 202 (1984)
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A planar self-waveguiding flashlamp-pumped dye laser
Tang Xingli, Tao Tongxiang, Zhao Fukang, Li Fengying, Chen Lifei, and Jin Tingzhen
A planar self-waveguiding dye laser driven by a four xenon flashlamp system with an average output power of 3 W at 30 pps is presented. The laser takes advantage of the non-uniform distibutrion of the refractive index by the pumping pulse in the active medium, and allows full utilization of the highest gain region of t
A planar self-waveguiding dye laser driven by a four xenon flashlamp system with an average output power of 3 W at 30 pps is presented. The laser takes advantage of the non-uniform distibutrion of the refractive index by the pumping pulse in the active medium, and allows full utilization of the highest gain region of the dye solution..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 205 (1984)
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Study of PTM Q-switching ruby laser
Liu Peitian, Tang Deyu, Chen Jinchun, Gao Deqing, Tang Ghuanmin, Wang Yuping, and Gao Qixia
The experimental results of PTM Q-switehing ruby laser are given. By passing through two amplifiers, the pulse width of 4.5 us and the energy of 2.5 j of the laser pulse can be obtained.
The experimental results of PTM Q-switehing ruby laser are given. By passing through two amplifiers, the pulse width of 4.5 us and the energy of 2.5 j of the laser pulse can be obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 208 (1984)
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Investigation of polarization-independent optical circulator
Guan Tieliang, and He Yuchan
The design and experimental results of a new polarization-independent optical circulator are reported. It consists of a polarizing splitter, a polarizing combiner, a Faraday rotator and a half-wave plate. Insertion losses of 2.8 db and isolation of 18-35 db were obtained for different polarization directions of inciden
The design and experimental results of a new polarization-independent optical circulator are reported. It consists of a polarizing splitter, a polarizing combiner, a Faraday rotator and a half-wave plate. Insertion losses of 2.8 db and isolation of 18-35 db were obtained for different polarization directions of incident light at 1.37μ/m..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 212 (1984)
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Investigation of output performances of free electron lasers
Lei Shzhan, and Jiang Hui
The study of power output from free electron lasers (FEL) has shown that to gain higher output power the FEL at infrared region is better than those at the ultraviolet. Superradiation generation, operational conditions have been obtained in which the pulse width of the relativistic electron beam and the transmission of
The study of power output from free electron lasers (FEL) has shown that to gain higher output power the FEL at infrared region is better than those at the ultraviolet. Superradiation generation, operational conditions have been obtained in which the pulse width of the relativistic electron beam and the transmission of resonator eavity were studied The effectof energv divergency of the relativistic electron beam △r0/r0 on the energy conversion ef flcieney hasalso been discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 215 (1984)
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Measuring optogalvanic spectrum of neodymium using a pulsed tunable dye laser
Yin Lifeng, Jing Chunyang, Zhang Guiyan, and Cui Junwen
A pulsed tunable dye laser was used to measure the optogalvanie spectrum of 76 transitions of neodymium, among them 15 are from NdII. The transient waveform of the optogalvanie signal was observed.
A pulsed tunable dye laser was used to measure the optogalvanie spectrum of 76 transitions of neodymium, among them 15 are from NdII. The transient waveform of the optogalvanie signal was observed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 219 (1984)
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Measurement of target voltage in laser plasmas
Zhao Qinchun, Chen Shisheng, Bi Wuji, Wang Xiaoqin, and He Xingfa
Measurement and analysis have been made on the target voltage induced by the effect of spatial charge seperation at various power densities. Target voltage of several KVs and the duration of or within a few nanoseconds have been measured when a 1.06μm laser beam (100 ps) is incident normally on an Al plane target at th
Measurement and analysis have been made on the target voltage induced by the effect of spatial charge seperation at various power densities. Target voltage of several KVs and the duration of or within a few nanoseconds have been measured when a 1.06μm laser beam (100 ps) is incident normally on an Al plane target at the power density ranging from 2 × 1014 to 8 × 1014W/cm2..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 222 (1984)
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Investigation of laser speckle photography with cross-slit aperture
Chen Mingyi, and Shan Qizhe
Investigating the speckle pattern of a cross-slit theoretically and experimentally, we note in this paper that the object surface speckle pattern recorded on the recording plate has a 2-D gratingwise structure. After performing an optical Fourier transform on it, at the Fourier transform plane there appears a particula
Investigating the speckle pattern of a cross-slit theoretically and experimentally, we note in this paper that the object surface speckle pattern recorded on the recording plate has a 2-D gratingwise structure. After performing an optical Fourier transform on it, at the Fourier transform plane there appears a particular optical intensity distribution, a bright sharp cross-shape halo superimposed on a uniform square-shaped halo. Hence, the laser speckle photography with a cross-slit aperture will offer good quality interferogram with high contrast, low noise, and high sensitivity. Furthermore, the cross-shaped halo facilitates the measurement of fixing the original orientation of object motion as a reference coordinates. The experimental results are well consistent with the theoretical prediction..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 225 (1984)
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A spark gap switch for repetitive excimer lasers
Jiang Yingying, and Tang Shiqing
A spark gap switch operating at 60 kV and 50 pps has been developed. At steady-state gas fill and 20 pps, it has a lifetime of about 20 min.
A spark gap switch operating at 60 kV and 50 pps has been developed. At steady-state gas fill and 20 pps, it has a lifetime of about 20 min..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 232 (1984)
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Research on refractive index of some oxide films used in lasers
Jin Linfa, Zhang Hongfen, and Yang Benqi
This paper reports the results on a detailed investigation of the refractive index of TiO2, ZrO2, Ta2O5 SiO2 films at different evaporation conditions.
This paper reports the results on a detailed investigation of the refractive index of TiO2, ZrO2, Ta2O5 SiO2 films at different evaporation conditions..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 235 (1984)
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Study of argon laser microbeam irradiation on cell damage
Lu Zhongkang, Hu Yinghe, Deng Yanhua, Wang Lanlan, Song Guiying, Sun Baoxia, and Liang Hong
A YW-1 argon laser was used for microirradiation of PTK1; PTK2 cell lines and human red blood cells. The smallest lesion spots were only 0.5 Dm. Cytochemistry analysis demonstrated that the laser mierobeam irradiation can destruct both nucleolar DNA and RNA without any vital staining.
A YW-1 argon laser was used for microirradiation of PTK1; PTK2 cell lines and human red blood cells. The smallest lesion spots were only 0.5 Dm. Cytochemistry analysis demonstrated that the laser mierobeam irradiation can destruct both nucleolar DNA and RNA without any vital staining..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 239 (1984)
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Electronic absorption spectra and laser resonance Raman spectra of hemoglobin in the blood of normal person and patients of thalassemia
Li Huariling, Yuan Huanbiao, Huang Xu, Chen Shuncun, and Li Qingen
The electronic absorption spectra and laser resonance Raman spectra of eight types of singular component of hemoglobin from the blood of normal persons, one a-and two β-thalassemia patients were studied. The correlation of their spectra, molecular structures, respiratory function and pathogenetic mechanism were for the
The electronic absorption spectra and laser resonance Raman spectra of eight types of singular component of hemoglobin from the blood of normal persons, one a-and two β-thalassemia patients were studied. The correlation of their spectra, molecular structures, respiratory function and pathogenetic mechanism were for the first time analyzed and discussed in coordination with clinic..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 244 (1984)
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[in Chinese]
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
We have obtained single frequency output from a CW dye laser with standing wave and traveling wave cavities.
We have obtained single frequency output from a CW dye laser with standing wave and traveling wave cavities..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 249 (1984)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
The effects of diluent gas on XeCl lasers are studied. The output energy is increased using Ar rather than He as diluent gas and the total gas pressure and operation cost are decreased.
The effects of diluent gas on XeCl lasers are studied. The output energy is increased using Ar rather than He as diluent gas and the total gas pressure and operation cost are decreased..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 251 (1984)
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[in Chinese]
[in Chinese]
The polarization behaviour of an intra-cavity He-Ne laser at 632.8 nm has been experimentally studied and discussed.
The polarization behaviour of an intra-cavity He-Ne laser at 632.8 nm has been experimentally studied and discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 252 (1984)
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[in Chinese]
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The experimental results with an improved wavelength resolution have been obtained by using beam expanding plane grating cavity and single transverse mode(TEM00).
The experimental results with an improved wavelength resolution have been obtained by using beam expanding plane grating cavity and single transverse mode(TEM00)..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 254 (1984)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
The results of this study show that laser irradiation of the acupoint "Jou Cho" of sheep and goat can regulate peristalsis of romen, improve their appetite and alimentary function and inereasce secrete of parotid saliva evidently.
The results of this study show that laser irradiation of the acupoint "Jou Cho" of sheep and goat can regulate peristalsis of romen, improve their appetite and alimentary function and inereasce secrete of parotid saliva evidently..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 255 (1984)
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[in Chinese]
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A ceramic covered with enamel has excellent absorption in UV region, it is used as diffuse cavity for ruby lasers.
A ceramic covered with enamel has excellent absorption in UV region, it is used as diffuse cavity for ruby lasers..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 11, Issue 4, 255 (1984)
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