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Journals >
Chinese Journal of Lasers
Contents
1985
Volume: 12 Issue 6
19 Article(s)
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 1 (1985)
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Laser Devices and Laser Physics
Self-induced transparancy under the condition of phase modulation
Wang Runwen
The phenomena of self-induced transparancy obtained from the Bloch equation of a two-level atomic system can not be present under the condition of self-phase modulation. Only by some rigid limitation can the phenomena appear approximately.
The phenomena of self-induced transparancy obtained from the Bloch equation of a two-level atomic system can not be present under the condition of self-phase modulation. Only by some rigid limitation can the phenomena appear approximately..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 321 (1985)
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Use of multiple exposure synthetic slit in rainbow holography of diffuse 3-D objects
Chen Guicong, and Shan Qizhe
Extending the synthetic slit method in rainbow holography of diffuse 3-D objects 1,2, a quasi-monochromatic reconstructed image is obtained by means of multiple exposure under white light illumination. A theory of multiple exposure synthetic slit is described and the effects of exposure times and object displacement fo
Extending the synthetic slit method in rainbow holography of diffuse 3-D objects 1,2, a quasi-monochromatic reconstructed image is obtained by means of multiple exposure under white light illumination. A theory of multiple exposure synthetic slit is described and the effects of exposure times and object displacement for synthetic slit are discussed. Experimental results are also included..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 324 (1985)
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Design of a diode of FEL
Chu Cheng, and Hu Yu
The design method of a low emittance diode, the key component of a Raman-scattering FEL, is presented. The space-charge-limited diode is immersed in a strong guiding magnetic field; the profile of its cathode can be evaluated numerically from the required c-beam parameters and anode profile.
The design method of a low emittance diode, the key component of a Raman-scattering FEL, is presented. The space-charge-limited diode is immersed in a strong guiding magnetic field; the profile of its cathode can be evaluated numerically from the required c-beam parameters and anode profile..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 330 (1985)
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Carbon isotope separation by laser
Xie Kuangji, Mu Guorong, and Li Changlin
A selective multiphoton dissociation process of CF3I has been used to enrich C-13 with 9.6m B(14) line of TEA CO2 laser. At-8, an enrichment factor of 89 has been achieved for 0.2 Torr CFeI and 4 Torr O2 reaction system. The dependence of enrichment factor upon scavenger, temperature, fluenee and dissociation yield hav
A selective multiphoton dissociation process of CF3I has been used to enrich C-13 with 9.6m B(14) line of TEA CO2 laser. At-8, an enrichment factor of 89 has been achieved for 0.2 Torr CFeI and 4 Torr O2 reaction system. The dependence of enrichment factor upon scavenger, temperature, fluenee and dissociation yield have been investigated..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 335 (1985)
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Two-wavelength operation with combination of distributed feedback and extra-cavity
Han Quansheng, and Rang Jin
Operating a device combining distributed feedback and extra-cavity, weobtained an independently tunable two-wavelength laser. The mode competition as a function of the relative build-up time of two wavelenths is investigated.
Operating a device combining distributed feedback and extra-cavity, weobtained an independently tunable two-wavelength laser. The mode competition as a function of the relative build-up time of two wavelenths is investigated..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 339 (1985)
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Double grating frequency shift effect of the laser beam and its application
Han Quamgyao, Zhang Yuchang, .Yi Ming, Huang Zonghua, and Yang Xuanming
Frequency shift of the double grating is considered and confirmed by our experiment. Using this effect we determine the value of velocity or small displacement. It is simpler than the method of Michelson’s instrument or the intensity modulating method and has been suceessully tested on Mossbauer spectrometer to determi
Frequency shift of the double grating is considered and confirmed by our experiment. Using this effect we determine the value of velocity or small displacement. It is simpler than the method of Michelson’s instrument or the intensity modulating method and has been suceessully tested on Mossbauer spectrometer to determine the velocity of vibration. Satisfactory result has been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 343 (1985)
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Effect of the refractive index gradient in active medium on the wave surface quality of light beam
Li Xishan, and Jiang Anmin
This paper analyses the cause for refractive index gradient in Nd3+ glasses. The statical and dynamical refractive index gradient, average divergent angle and equivalent curvature radius have been measured. Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.
This paper analyses the cause for refractive index gradient in Nd3+ glasses. The statical and dynamical refractive index gradient, average divergent angle and equivalent curvature radius have been measured. Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 346 (1985)
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Investigation on the barium sodium niobate acousto-optic modulator/frequency doubler for Nd:YAG lasers
Feng Xiqi, Tang Yuanfen, Wu Huifa, Bian Huian, and Tan Haoren
We have achieved the acoustic-optic modulation and the second harmonic generation for Nd:YAG lasers simultaneously in the same barium sodium niobate crystal. In this paper, the structure and fabrication of this complex functional device are described. Its central frequency is 129 MHz and total diffraction efficiency hi
We have achieved the acoustic-optic modulation and the second harmonic generation for Nd:YAG lasers simultaneously in the same barium sodium niobate crystal. In this paper, the structure and fabrication of this complex functional device are described. Its central frequency is 129 MHz and total diffraction efficiency higher than 50% (632.8 nm) at a driving voltage of 3 volts..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 350 (1985)
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Relationship between inclusions in alexandrite crystals and their growth behaviour
Ma Xiaoshan, Pan Shoukui, Wang Siting, Jin Zongru, and Shen Yafang
It has been observed that most of the inclusions in alexandrite crystals lie along the axis, the direction of the fastest growth rate and preliminary explanation on these phenomena are made.
It has been observed that most of the inclusions in alexandrite crystals lie along the axis, the direction of the fastest growth rate and preliminary explanation on these phenomena are made..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 353 (1985)
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Photophysical parameters and lasing characteristics of DCM—propylene carbonate system
Guo Chu, Zhang Xingkang, Shao Ziwen, and Yue Chuanhua
Based on our study of photophysics of DCM in different solvents, it has been suggested that propylene carbonate can. be used as a more attractive solvent for DGM lasing medium. This prediction has been demonstrated by the experimental results reported in this paper.
Based on our study of photophysics of DCM in different solvents, it has been suggested that propylene carbonate can. be used as a more attractive solvent for DGM lasing medium. This prediction has been demonstrated by the experimental results reported in this paper..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 358 (1985)
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Experimental research on the multicnannel rail gap for transverse discharge gas lasers
Lou Qihong, Liu Bo, Cao Hongmmg, Ding Aizheng, Wei Yunrong, and Zheng Ghengen
The multichannel rail gap for transverse discharge gas laser has been developed. The effects of trigger voltage and trigger electrode configuration on the characteristics of the rail gap were studied, and 29 channels per meter in a rail gap of 38cm long was obtained.
The multichannel rail gap for transverse discharge gas laser has been developed. The effects of trigger voltage and trigger electrode configuration on the characteristics of the rail gap were studied, and 29 channels per meter in a rail gap of 38cm long was obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 363 (1985)
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Design and analysis of resonators for the CW dye laser pumped by an Ar
+
laser
Zhang Guoxuan, Liu Yupu, Zhang Yinghua, and Liu Jinjun
The design of the folded threemirror cavity and four-mirror ring cavity is described. The effects of the cavity adjustment on the properties of laser resonators have been emphasized. The analyses are important for the correct design and alignment of the cavity.
The design of the folded threemirror cavity and four-mirror ring cavity is described. The effects of the cavity adjustment on the properties of laser resonators have been emphasized. The analyses are important for the correct design and alignment of the cavity..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 366 (1985)
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Application of laser technique to flight test
Tian Tongxin
The application of laser technique to flight tests on domestic transportation aeroplane Y10 is described in this paper. The descision is focused on airborne laser measurement system, airborne data acquisition and processing laser system and several new flight test methods based on them.
The application of laser technique to flight tests on domestic transportation aeroplane Y10 is described in this paper. The descision is focused on airborne laser measurement system, airborne data acquisition and processing laser system and several new flight test methods based on them..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 370 (1985)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
The deposition of W film by means of photolysis of vapor W(CO)6 with a 257.3 nm UV laser is presented. The dependence of the deposition rate on the light intensity, cell temperature and buffer gas pressure are investigated and the relationship between the photolysis deposition rate of W(CO)6 and the intensity of deposi
The deposition of W film by means of photolysis of vapor W(CO)6 with a 257.3 nm UV laser is presented. The dependence of the deposition rate on the light intensity, cell temperature and buffer gas pressure are investigated and the relationship between the photolysis deposition rate of W(CO)6 and the intensity of deposition light has been observed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 374 (1985)
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[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
The saturation characteristics of infrared OGE of discharged positive column in Ne, Ar and Xe gases are measured. It is found that the spectral lines are homogeneously broadened, and the saturation intensity of transitions is independent on the sample concentration and the total pressure or the discharge current. The l
The saturation characteristics of infrared OGE of discharged positive column in Ne, Ar and Xe gases are measured. It is found that the spectral lines are homogeneously broadened, and the saturation intensity of transitions is independent on the sample concentration and the total pressure or the discharge current. The line width of the transition NeI 4S4-5P1 has been estimated..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 375 (1985)
Get PDF
[in Chinese]
[in Chinese]
It is verified that the mean value and the standard deviation of normal distribution function could be regarded as the characterization parameters for full length optical fiber diameter. The control of the diameter is carried out by a microcomputer and the good results are introduced. At present, diameter variation for
It is verified that the mean value and the standard deviation of normal distribution function could be regarded as the characterization parameters for full length optical fiber diameter. The control of the diameter is carried out by a microcomputer and the good results are introduced. At present, diameter variation for a 1500 m long optical fiber can be controlled within 1-2% reliably..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 378 (1985)
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[in Chinese]
[in Chinese], and [in Chinese]
The structure and principle of an X-ray microchannel plate (MCP) image intensifier and its application to laser-plasma diagnostics are described. X-ray photographs from the MCP image intensificr and the curves of their radial density distribution are obtained.
The structure and principle of an X-ray microchannel plate (MCP) image intensifier and its application to laser-plasma diagnostics are described. X-ray photographs from the MCP image intensificr and the curves of their radial density distribution are obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 380 (1985)
Get PDF
[in Chinese]
[in Chinese]
.
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 12, Issue 6, 382 (1985)
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Laser Devices and Laser Physics