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Journals >
Chinese Journal of Lasers
Contents
1982
Volume: 9 Issue 11
21 Article(s)
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Laser Devices and Laser Physics
Imaging analysis of astigmatic one-step rainbow holography
Chen Guicong, and Shan Qizhe
Various possible recording and reconstruction geometries of astigmatic one-step rainbow holography are analyzed. Quantitative conditions for obtaining orthoscopic and pseudoseopio quasi-monochromatic reconstructed images are derived. A method using the reciprocal triangle to determine the geometry of aperture conjugati
Various possible recording and reconstruction geometries of astigmatic one-step rainbow holography are analyzed. Quantitative conditions for obtaining orthoscopic and pseudoseopio quasi-monochromatic reconstructed images are derived. A method using the reciprocal triangle to determine the geometry of aperture conjugation technique in astigmatic rainbow holography is introduced..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 685 (1982)
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Spectral properties in glassy tetraphosphate with high neodymium (Nd3+)concentration
Qi Changhong, and Gan Fuxi
In this paper., laser materials of glassy tetraphosphate with Nd3+ion concentrations of 0.13x1021 (cm-3) to 4 xl021(em-3) are reported and the data of spectral properties for this kind of laser glass are given. Concentration quenching mechanism of Nd3+ions in these materials is discussed in particular.
In this paper., laser materials of glassy tetraphosphate with Nd3+ion concentrations of 0.13x1021 (cm-3) to 4 xl021(em-3) are reported and the data of spectral properties for this kind of laser glass are given. Concentration quenching mechanism of Nd3+ions in these materials is discussed in particular..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 691 (1982)
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Study of HgBr laser spectra
Yuan Cailai, Shangguan Cheng, Ye Chao, and Dou Airong
Over forty laser lines from HgBr (B-X) transition by photodissociation of HgBr2 with an ArF excimer laser at 193 nm have been observed.
Over forty laser lines from HgBr (B-X) transition by photodissociation of HgBr2 with an ArF excimer laser at 193 nm have been observed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 695 (1982)
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Tuning of a compound cavity with a grazing-incidence grating
Wu Lingan, Xu Zuyan, Deng Daoqun, and Guo Dongsheng
A pulsed dye laser system combining the advantages of beam expansion by a grating at grazing incidence and compound cavity tuning is described. It can produce an output of less than 0.1 A line width over a tunable range of greater than 500 A. The tuning efficiency can exceed 30%. Compared with a tuning cavity using jus
A pulsed dye laser system combining the advantages of beam expansion by a grating at grazing incidence and compound cavity tuning is described. It can produce an output of less than 0.1 A line width over a tunable range of greater than 500 A. The tuning efficiency can exceed 30%. Compared with a tuning cavity using just the grazing-incidence grating, the output power can be increased by several factors..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 698 (1982)
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Pulsed and optically pumped D
2
O-CH
3
F gas-mixture FIR lasers
Pan Chengzhi, Zhao Saibei, Liu Xiuyun, and Tang Guiping
D2O-CH3F gas-mixture in a superradiat tube was optically pumped using TEA CO2 laser pulses and FIB laser emissions at 66m, 114 um and 385 um from D2O vapour and 496um from CH3F gas were obtained. The characteristics of this laser are described and a comparison with single gas FIE laser is made.
D2O-CH3F gas-mixture in a superradiat tube was optically pumped using TEA CO2 laser pulses and FIB laser emissions at 66m, 114 um and 385 um from D2O vapour and 496um from CH3F gas were obtained. The characteristics of this laser are described and a comparison with single gas FIE laser is made..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 703 (1982)
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Relationship between laser output from flash lamp pumped NLPP crystals and crystal homogeneity
Lu Baosheng, Liu Xiling, Wang Jiyang, and Wang Baolin
The defects affecting the optical homogeneity of NLPP crystals, such as growth strial and sector boundary are revealed and the relationship between the defect formation and the crystal growth process are explored and the influences of the defects on laser properties of NLPP crystak are studied in detail.
The defects affecting the optical homogeneity of NLPP crystals, such as growth strial and sector boundary are revealed and the relationship between the defect formation and the crystal growth process are explored and the influences of the defects on laser properties of NLPP crystak are studied in detail..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 706 (1982)
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Analysis of spatial distribution of injection carriers in the active layer of the planar stripe lasers with deep Zn diffusion
Wu Kelin
This paper analyses spatial distribution of injection carriers in the active layer of planar stripe lasers with deep Zn diffusion. It is elucidated theoretically that the spreading current along the junction direction in the P-AlxGa1-x As cladding layer of the planar stripe lasers with deep Zn diffusion can be neglecte
This paper analyses spatial distribution of injection carriers in the active layer of planar stripe lasers with deep Zn diffusion. It is elucidated theoretically that the spreading current along the junction direction in the P-AlxGa1-x As cladding layer of the planar stripe lasers with deep Zn diffusion can be neglected. Therefore, spatial distribution of injection carriers in the active layer of the planar stripe lasers with deep Zn diffusion is much narrower than that of the conventional planar stripe lasers. Consequently, its gain-induced guide is much narrower than that of the conventional planar stripe lasers too. This proves theoretically the conclusion in [1], i. e. it is the narrowing of gain-induced guide of the planar stripe lasers with slightly doped or undoped active layer and deep Zn diffusion that causes the stabilization of the lateral modes..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 710 (1982)
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A CW visible semiconductor laser at room temperature
Zheng Gwangfu, Liao Xianbing, Zheng Xianming, and Hu Enshi
This paper reports a CW visible GaAlAs semiconductor laser at room temperature. The lasing wavelenth is about 7600 A. All the electrical and optical parameters of this visible laser are comparable to those of infrared GaAs-GaAlAs double-heterostructure lasers.
This paper reports a CW visible GaAlAs semiconductor laser at room temperature. The lasing wavelenth is about 7600 A. All the electrical and optical parameters of this visible laser are comparable to those of infrared GaAs-GaAlAs double-heterostructure lasers..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 715 (1982)
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A SRJ II flashlamp-pumped dye laser
Tang Xingli, Zhao Meioun, Qiao Futang, Feng Zhengxin, and Xu Shizong
The design and performances of a SRJ-II flashlamp-pumped dye laser is described, properties of laser output, tuning, and lifetime are given.
The design and performances of a SRJ-II flashlamp-pumped dye laser is described, properties of laser output, tuning, and lifetime are given..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 720 (1982)
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Picosecond Al
x
Ga
1-x
As DH lasers
Zhang Weizai
Light pulses of 12ps in duration have been obtained by driving AlxGa1-xAs lasers with pulsed current of 300 ps duration and the response rates of various kinds of rapid optoeleetric diodes have been measured by them.
Light pulses of 12ps in duration have been obtained by driving AlxGa1-xAs lasers with pulsed current of 300 ps duration and the response rates of various kinds of rapid optoeleetric diodes have been measured by them..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 724 (1982)
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Study on optical data processing of seismic records and stratum section
Ma Deyan
Coherent optical data processing of seismic records and stratum section is studied. The signal-to-noise ratio of seismic records has been improved and stratum sections so viewed may be greatly clarified through coherent optical data processing. The principles and the experimental method are discussed.
Coherent optical data processing of seismic records and stratum section is studied. The signal-to-noise ratio of seismic records has been improved and stratum sections so viewed may be greatly clarified through coherent optical data processing. The principles and the experimental method are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 727 (1982)
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Laser drilling with a depth to diameter ratio of 65:1
Lan Weitian, Tian Jianling, Fan Lilan, Chen Yujia, and Wang Xinde
This paper describes the technology of laser depth-microdrilling and the processing methods with a depth to diameter ratio of 65:1. The important factors for laser depth-microdrilling are the sufficient power density, suitable focal length, determination of the best image plane and refocusing etc.
This paper describes the technology of laser depth-microdrilling and the processing methods with a depth to diameter ratio of 65:1. The important factors for laser depth-microdrilling are the sufficient power density, suitable focal length, determination of the best image plane and refocusing etc..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 731 (1982)
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A holographic interferometer for inspection of multi-bead wire tires
Xie Xiangsen
This paper describes a holographic interferometer which can be used to obtain holograms of bead toe, bead, shoulder and tread cap of multibsad wire tires under the vacuum loaded condition. Optical arrangement and results are presented and some questions concerned are discussed.
This paper describes a holographic interferometer which can be used to obtain holograms of bead toe, bead, shoulder and tread cap of multibsad wire tires under the vacuum loaded condition. Optical arrangement and results are presented and some questions concerned are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 734 (1982)
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Model 60× 100 Fabry-Perot etalon
Sun Baoding, and Feng Renlin
The design considerations and the teat results of a Fabry-Perot etalon are described in this paper.
The design considerations and the teat results of a Fabry-Perot etalon are described in this paper..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 736 (1982)
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1.06 μm pulsed laser damage to human body and some safety problems
Guan Chongwen
The damaged pattern of the red blood cells of the human body were observed with an electronic microscope as the pulsed laser light at 1.06 m penetrated through the soft tissues and the deep part of the back bone. And the protection problems in connection with laser experiments and medical treatment by lasers are discus
The damaged pattern of the red blood cells of the human body were observed with an electronic microscope as the pulsed laser light at 1.06 m penetrated through the soft tissues and the deep part of the back bone. And the protection problems in connection with laser experiments and medical treatment by lasers are discussed..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 739 (1982)
Get PDF
[in Chinese]
[in Chinese]
The paper describes the experimental set up and the results of domestic made model I-l III-2 IV-2 photoplastic holograms used with video monitor in laser holographic NDT of tyres.
The paper describes the experimental set up and the results of domestic made model I-l III-2 IV-2 photoplastic holograms used with video monitor in laser holographic NDT of tyres..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 743 (1982)
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[in Chinese]
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Based on the principle of Z-pinch ion laser technology, a detachable pulsed ion laser system has been developed. All the parts of the laser system were made by mechanical process except the quartz discharge tube and the cavity mirrors. Laser output at several wavelengths were obtained with argon or xenon as lasing medi
Based on the principle of Z-pinch ion laser technology, a detachable pulsed ion laser system has been developed. All the parts of the laser system were made by mechanical process except the quartz discharge tube and the cavity mirrors. Laser output at several wavelengths were obtained with argon or xenon as lasing medium..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 744 (1982)
Get PDF
[in Chinese]
[in Chinese]
108 eases of hemorrhoids have been treated by C02 laser, with a curative rate of 100%. New operating instruments have been developed, such as heat-resisting hemorrhoids nucleus forcepsand probe without reflection of light. This therapeutic method has the main merits of no bleeding during and after operation, no pain, g
108 eases of hemorrhoids have been treated by C02 laser, with a curative rate of 100%. New operating instruments have been developed, such as heat-resisting hemorrhoids nucleus forcepsand probe without reflection of light. This therapeutic method has the main merits of no bleeding during and after operation, no pain, good curative effect and no relapse..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 745 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A He-Ne laser was used to treat radioder-matitis of patients with cancer. Serum IgG levels were detected before and after the treatment. An average increase of 224 mg% (P< 0.005) was observed. It is considered that He-Ne laser may exert influence on immune factors in blood, provoke B-cell and promote humoral immunit
A He-Ne laser was used to treat radioder-matitis of patients with cancer. Serum IgG levels were detected before and after the treatment. An average increase of 224 mg% (P< 0.005) was observed. It is considered that He-Ne laser may exert influence on immune factors in blood, provoke B-cell and promote humoral immunity. So it may be refered to as a regulator of immune response..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 746 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], and [in Chinese]
This paper describes the treatment of 35 cases of tumour, paralysis, arthritis, tenositis, mastitis, contution, trauma, diarrhoer, and dysentery in veterinary, 32 cases were cured using a He-Ne laser. Laser therapy proves to he effective in antipruritine, antinfan, antiinflammatory, antiphlogistine and wound recovery.
This paper describes the treatment of 35 cases of tumour, paralysis, arthritis, tenositis, mastitis, contution, trauma, diarrhoer, and dysentery in veterinary, 32 cases were cured using a He-Ne laser. Laser therapy proves to he effective in antipruritine, antinfan, antiinflammatory, antiphlogistine and wound recovery. It is painless, free from side-effects, safe and effective. This therapeutic method is a promising one in veterinary clinic..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 747 (1982)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In order to investigate the healing mechanism of skin ulcers, the plate innoculated with staphylococcus aureus and pseudomonas aeruginosa was irradiated with low power CO2 and He-Ne laser light, becteria was not inhibited obviously.
In order to investigate the healing mechanism of skin ulcers, the plate innoculated with staphylococcus aureus and pseudomonas aeruginosa was irradiated with low power CO2 and He-Ne laser light, becteria was not inhibited obviously..
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Chinese Journal of Lasers
Publication Date: Jan. 01, 1900
Vol. 9, Issue 11, 747 (1982)
Get PDF
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