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Journals >
Chinese Journal of Lasers
Contents
1987
Volume: 14 Issue 1
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. 14, Issue 1, 1 (1987)
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Laser Devices and Laser Physics
Discussion on two-photon laser oscillation process
Sun Songen
Two-photon laser continuous oscillation process in terms of reduced optical blocn equation is discussed. Itoe formulas on gain and saturation effect, dispersion and frequency pulling of,the laser material under the stationary condition are obtained. The results are compared with those of one-photon laser oscillation pr
Two-photon laser continuous oscillation process in terms of reduced optical blocn equation is discussed. Itoe formulas on gain and saturation effect, dispersion and frequency pulling of,the laser material under the stationary condition are obtained. The results are compared with those of one-photon laser oscillation process..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 1 (1987)
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Phase and width of picosecond light pulses measured by third order correlation function method
Liu Yixian, Lin Jun, Li Xiadiang, and Li Fuming
The principle, set-up and experimental results for measuring the phase and width of picosecond light pulses by third order correlation function method are reported. The experimental results are compared with those measured by TPF method.
The principle, set-up and experimental results for measuring the phase and width of picosecond light pulses by third order correlation function method are reported. The experimental results are compared with those measured by TPF method..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 5 (1987)
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Characteristics of optogalvanic spectrum in discharge plasma oscillation
Gui Zenating, Wong Yumin, Zhang Shwnyi, Shen Guirong, Fang Xuexin, and Wang Runwen
Characteristics of optoglvanie spectrum in He-Ne discharge plasma oscillation have been investigated experimentally. The plasma oscillation frequency-spectrum has been measured by means of resonant OGE.
Characteristics of optoglvanie spectrum in He-Ne discharge plasma oscillation have been investigated experimentally. The plasma oscillation frequency-spectrum has been measured by means of resonant OGE..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 8 (1987)
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Study of super-soft X-ray emission from laser plasma
Ouyang Bin, Yu Jiajin, Lu Haihe, and P. H. Y. Lee
The emission and detection of super-soft X-ray from laser produced plasma are discussed.
The emission and detection of super-soft X-ray from laser produced plasma are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 13 (1987)
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A CARS setup for precise measurement of spectral shift and study of spectral shifts in gas-liquid phase changes
Wang Qinyu, Dong Genfa, Jin Yaogen, Qian Shixiong, and Li Yufen
A CARS arrangement for measurement of Raman frequency shift has been established. The frequency shifts and the shape change in nitrogen and nitrobenzene gas-liquid phase changes have been measured.
A CARS arrangement for measurement of Raman frequency shift has been established. The frequency shifts and the shape change in nitrogen and nitrobenzene gas-liquid phase changes have been measured..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 16 (1987)
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Study of aberration characteristics for 3-D holographic screens
Xu Kunxian
The aberration characteristics of 3-D holographic scieens are Studied on the basis of exit pupil image of projection,lens formed by holographic screen and the deviation of exit pupil image from Gauss image.
The aberration characteristics of 3-D holographic scieens are Studied on the basis of exit pupil image of projection,lens formed by holographic screen and the deviation of exit pupil image from Gauss image..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 20 (1987)
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Double exposure in electron holography
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Contour fringes of MgO crystal grain were obtained by means of double exposure in JEM-200 GX heat emission electron microscope with LaB6 filament as electron beam source and Mollenstedt electrostatic biprism as electron beam splitter.
Contour fringes of MgO crystal grain were obtained by means of double exposure in JEM-200 GX heat emission electron microscope with LaB6 filament as electron beam source and Mollenstedt electrostatic biprism as electron beam splitter..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 24 (1987)
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Experimental study of effect of axial megnetic field in free-electron lasers
Chu Cheng, Shi Ruigen, Lu Zaitong, Zhuang Guoliang, Zhang Lifen, Hu Yu, and Shi Jinchuan
Parameters of the axial guiding magnetic field in free electron laser based on stimulated Eaman scattering are determined. Having measured the guiding field and the e-beam it confines, we carried out preliminary parametric study and obtained free-electron laser radiation in Ka band.
Parameters of the axial guiding magnetic field in free electron laser based on stimulated Eaman scattering are determined. Having measured the guiding field and the e-beam it confines, we carried out preliminary parametric study and obtained free-electron laser radiation in Ka band..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 27 (1987)
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Generation of narrow band, tunable UV radiation —— intracavity frequency doubling of ring dye laser output
Lin Hai, Kuang Yishong, Yong Huayong, and Li Dayi
By infracavity frequency doubling of CW rhodamine 6Gr ring dye laseroutput using an angle tuned a-LiIO3 crystal placed in tier laser cavity, CW tunable UV radiation over the range of 29500-301.5nm has been generated. It enables the single frequency to be scanned continuously over 30 GHz. The UY output of up to 100W has
By infracavity frequency doubling of CW rhodamine 6Gr ring dye laseroutput using an angle tuned a-LiIO3 crystal placed in tier laser cavity, CW tunable UV radiation over the range of 29500-301.5nm has been generated. It enables the single frequency to be scanned continuously over 30 GHz. The UY output of up to 100W has been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 31 (1987)
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Measurement of pertodtblength of self-focusing media by molecular scattering method
Chang Xiwang, and Zhang Chunxiang
A method for direct.jneas.ure.inent pf per.iodic length of self-ifceasing media is put forward, with which inhomogeneity can also be observed directly and the rejeyant distri-bution constant is thus obtained. In’addition, it can also lie’used to judge the ion-exchange depth, the optical axis of self-focustktig rod knd
A method for direct.jneas.ure.inent pf per.iodic length of self-ifceasing media is put forward, with which inhomogeneity can also be observed directly and the rejeyant distri-bution constant is thus obtained. In’addition, it can also lie’used to judge the ion-exchange depth, the optical axis of self-focustktig rod knd the axial distribution plate.The inethod is alsoused to measure n0 simultamouly..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 34 (1987)
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An actively mode-locked laser —— prelasing mode-loked laser
Tang Guishen, Qiu Peixia, Lin Weiping, Chen Youming, and Zhen Xicmgdong
An actively mode-locked laser adopting prelasing technology is described. Its pulsewidth stability is +5% and can be adjusted from 300 ps to 1500 ps. The pulse energy is about 200 uJ, the amplitude fluctuation is less than +3%, and the signal to noise ratio is better than 107.
An actively mode-locked laser adopting prelasing technology is described. Its pulsewidth stability is +5% and can be adjusted from 300 ps to 1500 ps. The pulse energy is about 200 uJ, the amplitude fluctuation is less than +3%, and the signal to noise ratio is better than 107..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 37 (1987)
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A miniature pulsed NdP
5
O
14
laser
Liu Jishang, Wang Mingkai, Zhao Xijun, Liang Yanehun, Wang Baolin, and Lu Baosheng
A brief introduction is given on the structure design of NdP5O14 minWasers. The optimum matching size of pumping lamp and laser rod is presented for this kind of laser. Output with divergence angle of less than 5 mrad and a peak power of over 4 MW hava been obtained.
A brief introduction is given on the structure design of NdP5O14 minWasers. The optimum matching size of pumping lamp and laser rod is presented for this kind of laser. Output with divergence angle of less than 5 mrad and a peak power of over 4 MW hava been obtained..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 41 (1987)
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Experimental investigation on copper vapor laser oscillator —— amplifier system (1)
Liang PeihuA, Ben Hong, Wang Zhiying, and Wo Mineheng
The experimental results on the timing of a copper vapor laser oscillator-amplifier system show that the timing property curve (the amplitude of amplifier output versus delay)was not symmetric, and timing properties of green beam (510.6 nm) and yellow beam x(578.2nm) were not the same. The jitter of the thyratrons was
The experimental results on the timing of a copper vapor laser oscillator-amplifier system show that the timing property curve (the amplitude of amplifier output versus delay)was not symmetric, and timing properties of green beam (510.6 nm) and yellow beam x(578.2nm) were not the same. The jitter of the thyratrons was +4ns, which induced an output amplitude fluctuation of 10%-20%. The output power of the amplifier was 15% higher than that of an oscillator when the timing was correct..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 45 (1987)
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Study on efficient transverse electric excitation CW CO
2
laser
Liu Donghua, Han Tanseng, Li Feng, and Li Zaiguang
A high pressure transverse electric excitation sealed-off 2 kW CW CO2 laser with high efficiency for industrial use has been developed. Its output power is over 2.3kW with an energy conversion efficiency of higher than 17% during the continuous operation of 13 hrs. The discharge and output power characteristics have be
A high pressure transverse electric excitation sealed-off 2 kW CW CO2 laser with high efficiency for industrial use has been developed. Its output power is over 2.3kW with an energy conversion efficiency of higher than 17% during the continuous operation of 13 hrs. The discharge and output power characteristics have been investigated and the electron temperature and density have been measured under various discharge conditions..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 49 (1987)
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Study of laser coating and alloying on surface of some steels
Su Baorong, Huang Dequn, Wang Haobing, Chen Lanying, and Wang Jinzhong
In this paper we report some experimental results of laser heat treatment on surface coatings of grey cast iron, 10# and 20# steel using a transversely-excited flowing kW CO2 laser.Suitable conditions for forming coating and alloying layers with laser light on various substrates are given.
In this paper we report some experimental results of laser heat treatment on surface coatings of grey cast iron, 10# and 20# steel using a transversely-excited flowing kW CO2 laser.Suitable conditions for forming coating and alloying layers with laser light on various substrates are given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 52 (1987)
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A XeCl ezcimer laser with automatic preionization
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The effects of some parameters in XeCl excimer laser with automatic preioniza-tion on the laser output are described. The maximum output energy of 120 mJ per pulse has been obtained when the ratio of storage capacitor Cs and peaking capacitor Op is equal to 2.
The effects of some parameters in XeCl excimer laser with automatic preioniza-tion on the laser output are described. The maximum output energy of 120 mJ per pulse has been obtained when the ratio of storage capacitor Cs and peaking capacitor Op is equal to 2..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 57 (1987)
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Optically pupmed tunable NH
3
laser in 12 um band
Li Yude, Kuang Yizhong, and Gou Hongtao
9.4m E (30) line from a TBA-CO2 laser was used for pumping FH8. Tunable NH3 laser light in 12 um band have been obtained. The output energy at 12.247 um, 12.261 um and 12.079 m is 18.6,23 and 26mJ respectively.
9.4m E (30) line from a TBA-CO2 laser was used for pumping FH8. Tunable NH3 laser light in 12 um band have been obtained. The output energy at 12.247 um, 12.261 um and 12.079 m is 18.6,23 and 26mJ respectively..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 59 (1987)
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Measuring noise of He-Ne lasers
Liu Zhiguo, Ba Enxu, Lu Kecheng, Wang Lijun, and Liu Lixin
A method is reported for continuously measuring laser amplitude noise. The bandwidth is 2.0 Hz-lMHz. The minimum measurable noise power is about 0.2μW.
A method is reported for continuously measuring laser amplitude noise. The bandwidth is 2.0 Hz-lMHz. The minimum measurable noise power is about 0.2μW..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 61 (1987)
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Study on a magnetically modulated He-Ne laser
Cheng Zuzhen, and Wang Shuguang
By changing the shape of the middle part of a He-Ne laser rectangular capillary tube, the discharge plasma can be partly bended under the action of alternative magnetic field. Thus a new type of magnetically modulated laser can be obtained. The glow shrinking effect is studied and some experimental results are presente
By changing the shape of the middle part of a He-Ne laser rectangular capillary tube, the discharge plasma can be partly bended under the action of alternative magnetic field. Thus a new type of magnetically modulated laser can be obtained. The glow shrinking effect is studied and some experimental results are presented..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 14, Issue 1, 62 (1987)
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